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    SEC Form SC 13G filed by Definitive Healthcare Corp.

    2/14/22 7:55:09 AM ET
    $DH
    Computer Software: Prepackaged Software
    Technology
    Get the next $DH alert in real time by email
    SC 13G 1 brhc10033930_sc13g.htm SC 13G
    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549



    SCHEDULE 13G

    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    (Amendment No. __)*



    Definitive Healthcare Corp.
     (Name of Issuer)



    CLASS A COMMON STOCK, $0.001 PAR VALUE PER SHARE
    (Title of Class of Securities)

    24477E103
    (CUSIP Number)

    December 31, 2021
    (Date of Event Which Requires Filing of this Statement)



    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

    ☐ Rule 13d-1(b)

    ☐ Rule 13d-1(c)

    ☑ Rule 13d-1(d)

    *
    The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

    The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).



    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 2 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International Corporation
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    62,493,676
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    62,493,676
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    62,493,676
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    64.4% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    CO
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 3 of 57 Pages

    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX, LLC
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    46,251,909
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    46,251,909
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    46,251,909
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    47.7% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    OO
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 4 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    GPE IX GP Limited Partnership 
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    36,492,659
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    36,492,659
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    36,492,659
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    37.6% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 5 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     
     
    16,955,510
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    16,955,510
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    16,955,510
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    17.5% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 6 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX-B Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    3,359,809
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    3,359,809
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    3,359,809
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    3.5% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 7 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX-C Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    1,394,766
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    1,394,766
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    1,394,766
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    1.4% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 8 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX-F Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    1,463,380
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    1,463,380
     
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    1,463,380
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    1.5% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 9 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     
     
    Advent International GPE IX-G Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    4,815,226
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    4,815,226
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    4,815,226
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    5.0% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 10 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX-H Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    5,428,915
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    5,428,915
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    5,428,915
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    5.6% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 11 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX-I Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    3,075,053
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    3,075,053
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    3,075,053
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    3.2% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 12 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    GPE IX GP S.à r.l
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Luxembourg
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    8,301,241
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    8,301,241
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    8,301,241
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    8.6% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    CO
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 13 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX-A SCSp
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Luxembourg
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    4,985,850
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    4,985,850
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    4,985,850
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    5.1% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 14 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX-D SCSp
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Luxembourg
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    1,061,241
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    1,061,241
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    1,061,241
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    1.1% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 15 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX-E SCSp
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Luxembourg
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    2,156,723
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    2,156,723
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    2,156,723
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    2.2% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 16 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent International GPE IX Strategic Investors SCSp
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Luxembourg
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    97,427
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    97,427
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    97,427
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    0.1% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 17 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    AP GPE IX GP Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    1,458,009
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    1,458,009
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    1,458,009
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    1.5% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 18 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Partners GPE IX Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    55,642
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    55,642
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    55,642
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    0.1% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 19 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Partners GPE IX-A Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    128,669
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    128,669
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    128,669
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    0.1% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 20 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Partners GPE IX Cayman Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    321,070
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    321,070
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    321,070
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    0.3% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 21 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Partners GPE IX-A Cayman Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    54,121
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    54,121
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    54,121
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    0.1% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 22 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Partners GPE IX-B Cayman Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    898,507
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    898,507
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    898,507
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    0.9% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 23 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Global Technology LLC
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    12,617,980
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    12,617,980
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    12,617,980
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    13.0% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    OO
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 24 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Global Technology GP Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    10,326,106
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    10,326,106
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    10,326,106
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    10.6% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 25 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Global Technology Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    3,818,770
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    3,818,770
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    3,818,770
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    3.9% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 26 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Global Technology-B Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     
    .
    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    2,971,879
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    2,971,879
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    2,971,879
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    3.1% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 27 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Global Technology-C Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    1,609,070
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    1,609,070
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    1,609,070
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    1.7% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 28 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Global Technology-D Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    1,926,387
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    1,926,387
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    1,926,387
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    2.0% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 29 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Global Technology GP S.à r.l.
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Luxembourg
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    1,885,069
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    1,885,069
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    1,885,069
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    1.9% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    CO
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 30 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Global Technology-A SCSP
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Luxembourg
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    1,885,069
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    1,885,069
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    1,885,069
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    1.9% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 31 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    AP AGT GP Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    406,805
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    406,805
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    406,805
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    0.4% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 32 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Partners AGT Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    31,561
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    31,561
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    31,561
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    Less than 0.1% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 33 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Partners AGT-A Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    27,373
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    27,373
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    27,373
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    Less than 0.1% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 34 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Partners AGT Cayman Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    317,329
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    317,329
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    317,329
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    0.3% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 35 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Advent Global Technology Strategic Investors Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    30,542
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    30,542
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    30,542
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    Less than 0.1% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 36 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Sunley House Capital Management LLC
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    3,623,787
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    3,623,787
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    3,623,787
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    3.7% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    OO
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 37 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Sunley House Capital GP LLC
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Delaware
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    3,623,787
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    3,623,787
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    3,623,787
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    3.7% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    OO
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 38 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Sunley House Capital GP LP
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    3,623,787
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    3,623,787
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    3,623,787
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    3.7% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 39 of 57 Pages
    1
    NAMES OF REPORTING PERSONS
     
     

    Sunley House Capital Master Limited Partnership
     
     
     
     
     
    2
    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
       
    (a)☐
       
    (b)☒
     
     
    3
    SEC USE ONLY
     
     
     
     
     
     
     
    4
    CITIZENSHIP OR PLACE OF ORGANIZATION
     
     

    Cayman Islands
     
     
     
     
     
    NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
    5
    SOLE VOTING POWER
     
     

    3,623,787
     
     
     
     
     
    6
    SHARED VOTING POWER
     
     

    0
     
     
     
     
     
    7
    SOLE DISPOSITIVE POWER
     
     

    3,623,787
     
     
     
     
     
    8
    SHARED DISPOSITIVE POWER
     
     

    0
     
     
     
     
     
    9
    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
     
     

    3,623,787
     
     
     
     
     
    10
    CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
     
     
    ☐
     
     
     
     
    11
    PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
     
     

    3.7% (1)
     
     
     
     
     
    12
    TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
     
     

    PN
     
     
     
     
     

    (1)
    The percent of class was calculated based on 97,030,095 shares of Class A Common Stock outstanding, as disclosed in the Issuer’s Form 424(b)(4) prospectus filed with the Securities and Exchange Commission on November 19, 2021.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 40 of 57 Pages
    Item 1.
    Issuer


    (a)
    Name of Issuer:

    Definitive Healthcare Corp. (the “Issuer”)


    (b)
    Address of Issuer’s Principal Executive Offices:

    550 Cochituate Road
    Framingham, MA 01701

    Item 2.
    Filing Person


    (a) – (c)
    Name of Persons Filing; Address; Citizenship:


    (i)
    Advent International Corporation, a Delaware corporation;

    (ii)
    Advent International GPE IX, LLC, a Delaware limited liability company;

    (iii)
    GPE IX GP Limited Partnership, a Cayman Islands limited partnership;

    (iv)
    Advent International GPE IX Limited Partnership, a Cayman Islands limited partnership;

    (v)
    Advent International GPE IX-B Limited Partnership, a Cayman Islands limited partnership;

    (vi)
    Advent International GPE IX-C Limited Partnership, a Cayman Islands limited partnership;

    (vii)
    Advent International GPE IX-F Limited Partnership, a Cayman Islands limited partnership;

    (viii)
    Advent International GPE IX-G Limited Partnership, a Cayman Islands limited partnership;

    (ix)
    Advent International GPE IX-H Limited Partnership, a Cayman Islands limited partnership;

    (x)
    Advent International GPE IX-I Limited Partnership, a Cayman Islands limited partnership (the funds set forth in the foregoing clauses (iv)-(x), the “Advent IX Cayman Funds”);

    (xi)
    GPE IX GP S.à.r.l., a Luxembourg Société à responsabilité limitée;

    (xii)
    Advent International GPE IX-A SCSp, a Luxembourg société en commandite spéciale;

    (xiii)
    Advent International GPE IX-D SCSp, a Luxembourg société en commandite spéciale;

    (xiv)
    Advent International GPE IX-E SCSp, a Luxembourg société en commandite spéciale;

    (xv)
    Advent International GPE IX Strategic Investors SCSp, a Luxembourg société en commandite spéciale; (the funds set forth in the foregoing clauses (xii)-(xv), the “Advent IX Luxembourg Funds”);

    (xvi)
    AP GPE IX GP Limited Partnership, a Delaware limited partnership;

    (xvii)
    Advent Partners GPE IX Limited Partnership, a Delaware limited partnership;

    (xviii)
    Advent Partners GPE IX-A Limited Partnership, a Delaware limited partnership;

    (xix)
    Advent Partners GPE IX Cayman Limited Partnership, a Cayman Islands limited partnership;

    (xx)
    Advent Partners GPE IX-A Cayman Limited Partnership, a Cayman Islands limited partnership;

    (xxi)
    Advent Partners GPE IX-B Cayman Limited Partnership, a Cayman Islands limited partnership (the funds set forth in the foregoing clauses (xvii)-(xxi), the “Advent IX Partners Funds”);

    (xxii)
    Advent Global Technology LLC, a Delaware limited liability company;

    (xxiii)
    Advent Global Technology GP Limited Partnership, a Cayman Islands limited partnership;

    (xxiv)
    Advent Global Technology Limited Partnership, a Cayman Islands limited partnership;

    (xxv)
    Advent Global Technology-B Limited Partnership, a Cayman Islands limited partnership;

    (xxvi)
    Advent Global Technology-C Limited Partnership, a Cayman Islands limited partnership;

    (xxvii) Advent Global Technology-D Limited Partnership, a Cayman Islands limited partnership (the funds set forth in the foregoing clauses (xxiv)-(xxvii), the “Advent Global Technology Funds”);

    (xxviii) Advent Global Technology GP S.à r.l., a Luxembourg Société à responsabilité limitée;

    (xxix)
    Advent Global Technology-A SCSP, a Luxembourg société en commandite spéciale;

    (xxx)
    AP AGT GP Limited Partnership, a Delaware limited partnership;

    (xxxi)
    Advent Partners AGT Limited Partnership, a Delaware limited partnership;

    (xxxii) Advent Partners AGT-A Limited Partnership, a Delaware limited partnership;

    (xxxiii)
    Advent Partners AGT Cayman Limited Partnership, a Cayman Islands limited partnership;

    (xxxiv) Advent Global Technology Strategic Investors Limited Partnership, a Cayman Islands limited partnership (the funds set forth in the foregoing clauses (xxxi)-(xxxiv), the “Advent AGT Funds”);

    (xxxv)
    Sunley House Capital Management LLC, a Delaware limited liability company;

    (xxxvi) Sunley House Capital GP LLC, a Delaware limited liability company;

    (xxxvii)
    Sunley House Capital GP LP, a Cayman Islands limited partnership;

    (xxxviii)
    Sunley House Capital Master Limited Partnership, a Cayman Islands limited partnership (“Sunley House Master Fund”).


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 41 of 57 Pages
    GPE IX GP Limited Partnership is the general partner of the Advent IX Cayman Funds, GPE IX GP S.à r.l. is the general partner of the Advent IX Luxembourg Funds, and AP GPE IX GP Limited Partnership is the general partner of the Advent IX Partners Funds. Advent International GPE IX, LLC is the general partner of GPE IX GP Limited Partnership and AP GPE IX GP Limited Partnership, and is the manager of GPE IX GP S.à r.l.

    Advent Global Technology GP Limited Partnership is the general partner of the Advent Global Technology Funds, Advent Global Technology GP S.à r.l. is the general partner of Advent Global Technology-A SCSp, and AP AGT GP Limited Partnership is the general partner of the Advent AGT Funds. Advent Global Technology LLC is the general partner of Advent Global Technology GP Limited Partnership and AP AGT GP Limited Partnership, and is the manager of Advent Global Technology GP S.à r.l..

    Sunley House Capital GP LP is the general partner of Sunley House Master Fund, Sunley House Capital GP LLC is the general partner of Sunley House Capital GP LP, and Sunley House Capital Management LLC is the investment manager to Sunley House Master Fund. Investors in Sunley House Master Fund invest in one or more of the following feeder funds: Sunley House Capital Fund LP, Sunley House Capital Limited Partnership, Sunley House Capital Fund Ltd. and Sunley House Capital Ltd. (collectively, the “Sunley House Feeder Funds”), which are the limited partners of Sunley House Master Fund. The Sunley House Feeder Funds have ownership interests in Sunley House Master Fund, but none of the Sunley House Feeder Funds owns shares directly and none has voting or dispositive power over the shares held directly by Sunley House Master Fund.

    Advent International Corporation is the manager of Advent International GPE IX, LLC and Advent Global Technology LLC and is the sole member of both Sunley House GP LLC and Sunley House Capital Management LLC and may be deemed to have voting and dispositive power over the shares held by the Advent IX Cayman Funds, the Advent IX Luxembourg Funds, the Advent IX Partners Funds, the Advent Global Technology funds, Advent Global Technology-A SCSp the Advent AGT Funds and Sunley House Master Fund.

    The address of the principal business and the principal office of the Reporting Persons is Prudential Tower, 800 Boylston Street, Boston, Massachusetts 02199-8069.


    (d)
    Title of Class of Securities:

    Class A Common Stock, $0.001 par value per share ( “Class A Common Stock”)


    (e)
    CUSIP Number:

    24477E103

    Item 3.
    If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a:

    Not applicable.

    Item 4. Ownership.
     

    (a) -- (c)
    Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 42 of 57 Pages
       
    Number of Shares
    Beneficially
    Owned
       
    Sole Voting
    Power
       
    Shared
    Voting
    Power
       
    Sole
    Dispositive
    Power
       
    Shared
    Dispositive
    Power
       
    Percentage of
    Common Stock
    Outstanding
     
    Advent International Corporation
       
    62,493,676
         
    62,493,676
         
    —
         
    62,493,676
         
    —
         
    64.4%
     
    Advent International GPE IX, LLC
       
    46,251,909
         
    46,251,909
         
    —
         
    46,251,909
         
    —
         
    47.7%
     
    GPE IX GP Limited Partnership
       
    36,492,659
         
    36,492,659
         
    —
         
    36,492,659
         
    —
         
    37.6%
     
    Advent International GPE IX Limited Partnership
       
    16,955,510
         
    16,955,510
         
    —
         
    16,955,510
         
    —
         
    17.5%
     
    Advent International GPE IX-B Limited Partnership
       
    3,359,809
         
    3,359,809
         
    —
         
    3,359,809
         
    —
         
    3.5%
     
    Advent International GPE IX-C Limited Partnership
       
    1,394,766
         
    1,394,766
         
    —
         
    1,394,766
         
    —
         
    1.4%
     
    Advent International GPE IX-F Limited Partnership
       
    1,463,380
         
    1,463,380
         
    —
         
    1,463,380
         
    —
         
    1.5%
     
    Advent International GPE IX-G Limited Partnership
       
    4,815,226
         
    4,815,226
         
    —
         
    4,815,226
         
    —
         
    5.0%
     
    Advent International GPE IX-H Limited Partnership
       
    5,428,915
         
    5,428,915
         
    —
         
    5,428,915
         
    —
         
    5.6%
     
    Advent International GPE IX-I Limited Partnership
       
    3,075,053
         
    3,075,053
         
    —
         
    3,075,053
         
    —
         
    3.2%
     
     GPE IX GP S.à r.l
       
    8,301,241
         
    8,301,241
         
    —
         
    8,301,241
         
    —
         
    8.6%
     
    Advent International GPE IX-A SCSp
       
    4,985,850
         
    4,985,850
         
    —
         
    4,985,850
         
    —
         
    5.1%
     
    Advent International GPE IX-D SCSp
       
    1,061,241
         
    1,061,241
         
    —
         
    1,061,241
         
    —
         
    1.1%
     
    Advent International GPE IX-E SCSp
       
    2,156,723
         
    2,156,723
         
    —
         
    2,156,723
         
    —
         
    2.2%
     
    Advent International GPE IX Strategic Investors SCSp
       
    97,427
         
    97,427
         
    —
         
    97,427
         
    —
         
    0.1%
     
    AP GPE IX GP Limited Partnership
       
    1,458,009
         
    1,458,009
         
    —
         
    1,458,009
         
    —
         
    1.5%
     
    Advent Partners GPE IX Limited Partnership
       
    55,642
         
    55,642
         
    —
         
    55,642
         
    —
         
    0.1%
     

     

    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 43 of 57 Pages
    Advent Partners GPE IX-A Limited Partnership
       
    128,669
         
    128,669
         
    —
         
    128,669
         
    —
         
    0.1%
     
    Advent Partners GPE IX Cayman Limited Partnership
       
    321,070
         
    321,070
         
    —
         
    321,070
         
    —
         
    0.3%
     
    Advent Partners GPE IX-A Cayman Limited Partnership
       
    54,121
         
    54,121
         
    —
         
    54,121
         
    —
         
    0.1%
     
    Advent Partners GPE IX-B Cayman Limited Partnership
       
    898,507
         
    898,507
         
    —
         
    898,507
         
    —
         
    0.9%
     
    Advent Global Technology LLC
       
    12,617,980
         
    12,617,980
         
    —
         
    12,617,980
         
    —
         
    13.0%
     
    Advent Global Technology GP Limited Partnership
       
    10,326,106
         
    10,326,106
         
    —
         
    10,326,106
         
    —
         
    10.6%
     
    Advent Global Technology Limited Partnership
       
    3,818,770
         
    3,818,770
         
    —
         
    3,818,770
         
    —
         
    3.9%
     
    Advent Global Technology-B Limited Partnership
       
    2,971,879
         
    2,971,879
         
    —
         
    2,971,879
         
    —
         
    3.1%
     
    Advent Global Technology-C Limited Partnership
       
    1,609,070
         
    1,609,070
         
    —
         
    1,609,070
         
    —
         
    1.7%
     
    Advent Global Technology-D Limited Partnership
       
    1,926,387
         
    1,926,387
         
    —
         
    1,926,387
         
    —
         
    2.0%
     
    Advent Global Technology GP S.à r.l.
       
    1,885,069
         
    1,885,069
         
    —
         
    1,885,069
         
    —
         
    1.9%
     
    Advent Global Technology-A SCSP
       
    1,885,069
         
    1,885,069
         
    —
         
    1,885,069
         
    —
         
    1.9%
     
    AP AGT GP Limited Partnership
       
    406,805
         
    406,805
         
    —
         
    406,805
         
    —
         
    0.4%
     
    Advent Partners AGT Limited Partnership
       
    31,561
         
    31,561
         
    —
         
    31,561
         
    —
         
    0.0%
     
    Advent Partners AGT-A Limited Partnership
       
    27,373
         
    27,373
         
    —
         
    27,373
         
    —
         
    0.0%
     
    Advent Partners AGT Cayman Limited Partnership
       
    317,329
         
    317,329
         
    —
         
    317,329
         
    —
         
    0.3%
     
    Advent Global Technology Strategic Investors Limited Partnership
       
    30,542
         
    30,542
         
    —
         
    30,542
         
    —
         
    0.0%
     
    Sunley House Capital Management LLC
       
    3,623,787
         
    3,623,787
         
    —
         
    3,623,787
         
    —
         
    3.7%
     
    Sunley House Capital GP LLC
       
    3,623,787
         
    3,623,787
         
    —
         
    3,623,787
         
    —
         
    3.7%
     
    Sunley House Capital GP LP
       
    3,623,787
         
    3,623,787
         
    —
         
    3,623,787
         
    —
         
    3.7%
     


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 44 of 57 Pages
    Item 5.
    Ownership of Five Percent or Less of a Class.

    If this statement is being filed to report the fact that as of the date hereof the reporting persons have ceased to be the beneficial owner of more than five percent of the class of securities, check the following.  ☐

    Item 6.
    Ownership of More than Five Percent on Behalf of Another Person.

    Not applicable.
     
    Item 7.
    Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.

    Not applicable.

    Item 8.
    Identification and Classification of Members of the Group.

    The Reporting Persons expressly disclaim membership in a "group" as used in Rule 13d-5(b)(1)..
     
    Item 9.
    Notice of Dissolution of Group.

    Not applicable.
     
    Item 10.
    Certification.

    Not applicable.


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 45 of 57 Pages
    SIGNATURE

    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

    Date: February 14, 2022
    ADVENT INTERNATIONAL CORPORATION
       
     
    /s/ Neil Crawford
     
    Name:
    Neil Crawford
     
    Title:
    Director, Fund Administration

     
    ADVENT INTERNATIONAL GPE IX-A SCSP
     
    ADVENT INTERNATIONAL GPE IX-D SCSP
     
    ADVENT INTERNATIONAL GPE IX-E SCSP
     
    ADVENT INTERNATIONAL GPE IX STRATEGIC INVESTORS SCSP

     
    By: GPE IX GP S.A.R.L., GENERAL PARTNER
     
    By: ADVENT INTERNATIONAL GPE IX, LLC,
     
    MANAGER

     
    /s/ Justin Nuccio
     
    Name: Justin Nuccio
     
    Title: Manager

     
    By: ADVENT INTERNATIONAL CORPORATION,
     
    MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration

     
    ADVENT INTERNATIONAL GPE IX LIMITED
     
    PARTNERSHIP
     
    ADVENT INTERNATIONAL GPE IX-B LIMITED PARTNERSHIP
     
    ADVENT INTERNATIONAL GPE IX-C LIMITED PARTNERSHIP
    ADVENT INTERNATIONAL GPE IX-F LIMITED PARTNERSHIP
    ADVENT INTERNATIONAL GPE IX-G LIMITED PARTNERSHIP
    ADVENT INTERNATIONAL GPE IX-H LIMITED PARTNERSHIP
     
    ADVENT INTERNATIONAL GPE IX-I LIMITED


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 46 of 57 Pages
     
    By: GPE IX GP LIMITED PARTNERSHIP, GENERAL PARTNER
     
    By: ADVENT INTERNATIONAL GPE IX, LLC,
     
    GENERAL PARTNER
     
    By: ADVENT INTERNATIONAL CORPORATION,
     
    MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    ADVENT PARTNERS GPE IX LIMITED PARTNERSHIP
    ADVENT PARTNERS GPE IX CAYMAN LIMITED PARTNERSHIP
    ADVENT PARTNERS GPE IX-A LIMITED PARTNERSHIP
    ADVENT PARTNERS GPE IX-A CAYMAN LIMITED PARTNERSHIP
    ADVENT PARTNERS GPE IX-B CAYMAN LIMITED PARTNERSHIP
     
    By: ADVENT GPE IX GP LIMITED PARTNERSHIP, GENERAL PARTNER
    By: ADVENT INTERNATIONAL GPE IX, LLC, GENERAL PARTNER
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration

     
    GPE IX GP S.A.R.L.
       
     
    By: ADVENT INTERNATIONAL GPE IX, LLC,
     
    MANAGER
       
     
    /s/ Justin Nuccio
     
    Name: Justin Nuccio
     
    Title: Manager
       

     
    By: ADVENT INTERNATIONAL CORPORATION,
     
    MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    GPE IX GP LIMITED PARTNERSHIP


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 47 of 57 Pages
     
    By: ADVENT INTERNATIONAL GPE IX, LLC, GENERAL PARTNER
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
     

     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    AP GPE IX GP LIMITED PARTNERSHIP
     
    By: ADVENT INTERNATIONAL GPE IX, LLC, GENERAL PARTNER
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
    Title: Director, Fund Administration
       
     
    ADVENT INTERNATIONAL GPE IX, LLC
       
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
     

     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    ADVENT GLOBAL TECHNOLOGY LIMITED PARTNERSHIP
     
    ADVENT GLOBAL TECHNOLOGY-B LIMITED PARTNERSHIP
     
    ADVENT GLOBAL TECHNOLOGY-C LIMITED PARTNERSHIP
    ADVENT GLOBAL TECHNOLOGY-D LIMITED PARTNERSHIP
       
     
    By: ADVENT GLOBAL TECHNOLOGY GP LIMITED PARTNERSHIP, GENERAL PARTNER
     
    By: ADVENT GLOBAL TECHNOLOGY LLC, GENERAL PARTNER
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 48 of 57 Pages
     
    ADVENT GLOBAL TECHNOLOGY-A SCSP
       
     
    By: ADVENT GLOBAL TECHNOLOGY S.A.R.L, GENERAL PARTNER
     
    By: ADVENT GLOBAL TECHNOLOGY LLC, MANAGER
       
     
    /s/ Justin Nuccio
     
    Name: Justin Nuccio
     
    Title: Manager
       
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    ADVENT PARTNERS AGT LIMITED PARTNERSHIP
     
    ADVENT PARTNERS AGT-A LIMITED PARTNERSHIP
    ADVENT PARTNERS AGT CAYMAN LIMITED PARTNERSHIP
    ADVENT GLOBAL TECHNOLOGY STRATEGIC INVESTORS LIMITED PARTNERSHIP
       
     
    By: AP AGT GP LIMITED PARTNERSHIP, GENERAL PARTNER
     
    By: ADVENT GLOBAL TECHNOLOGY LLC, GENERAL PARTNER
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    ADVENT GLOBAL TECHNOLOGY GP S.A.R.L
       
     
    By: ADVENT GLOBAL TECHNOLOGY LLC, MANAGER
       
     
    /s/ Justin Nuccio
     
    Name: Justin Nuccio
     
    Title: Manager


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 49 of 57 Pages
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
     

     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    ADVENT GLOBAL TECHNOLOGY GP LIMITED PARTNERSHIP
       
     
    By: ADVENT GLOBAL TECHOLOGY LLC, GENERAL PARTNER
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
     

     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    AP AGT GP LIMITED PARTNERSHIP
     
    By: ADVENT GLOBAL TECHNOLOGY LLC, GENERAL PARTNER
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
    Title: Director, Fund Administration
       
     
    ADVENT INTERNATIONAL GPE IX, LLC
       
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
     

     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    ADVENT GLOBAL TECHNOLOGY LLC
       
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
     

     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration


    CUSIP No. 24477E103
    SCHEDULE 13G
    Page 50 of 57 Pages
     
    SUNLEY HOUSE CAPITAL MASTER FUND LIMITED PARTNERSHIP
     
    By: SUNLEY HOUSE CAPITAL GP LP, GENERAL PARTNER
    By: SUNLEY HOUSE CAPITAL GP LLC, GENERAL PARTNER
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    SUNLEY HOUSE CAPITAL GP LP
     
    By: SUNLEY HOUSE CAPITAL GP LLC, GENERAL PARTNER
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    SUNLEY HOUSE CAPITAL GP LLC
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration
       
     
    SUNLEY HOUSE CAPITAL MANAGEMENT LLC
     
    By: ADVENT INTERNATIONAL CORPORATION, MANAGER
       
     
    /s/ Neil Crawford
     
    Name: Neil Crawford
     
    Title: Director, Fund Administration



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    FRAMINGHAM, Mass., Jan. 29, 2026 (GLOBE NEWSWIRE) -- Definitive Healthcare Corp. ("Definitive Healthcare") (NASDAQ:DH), an industry leader in healthcare market data and analytics, today announced that it will report financial results for its fourth quarter and full year ended December 31, 2025, on Thursday, February 26, 2026 after market close. The company will host a conference call and webcast at 5:00 PM (ET) / 2:00 PM (PT) to discuss the company's financial results. A live audio webcast of the event will be available on the Definitive Healthcare's Investor Relations website at https://ir.definitivehc.com/. A live dial-in will be available at 877-358-7298 (domestic) or +1-848-488-9244

    1/29/26 4:05:00 PM ET
    $DH
    Computer Software: Prepackaged Software
    Technology

    Definitive Healthcare to Present at the 28th Annual Needham Growth Conference

    FRAMINGHAM, Mass., Jan. 07, 2026 (GLOBE NEWSWIRE) -- Definitive Healthcare (NASDAQ:DH), an industry leader in healthcare market data and analytics, today announced that its Chief Financial Officer, Casey Heller, will present at the 28th Annual Needham Growth Conference. The Definitive Healthcare presentation is scheduled for Wednesday, January 14, 2026, at 9:30 a.m. Eastern Time. A live webcast of the presentation will be available on the Events page of the Definitive Healthcare investor relations website at https://ir.definitivehc.com/. A replay of the webcast will also be available for a limited time. About Definitive HealthcareDefinitive Healthcare is a data and analytics company focu

    1/7/26 4:05:00 PM ET
    $DH
    Computer Software: Prepackaged Software
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    Definitive Healthcare Reports Financial Results for Third Quarter Fiscal Year 2025

    FRAMINGHAM, Mass., Nov. 06, 2025 (GLOBE NEWSWIRE) -- Definitive Healthcare Corp. ("Definitive Healthcare" or the "Company") (NASDAQ:DH), an industry leader in healthcare commercial intelligence, today announced financial results for the quarter ended September 30, 2025.  Third Quarter 2025 Financial Highlights: Revenue was $60.0 million, a decrease of 4% from $62.7 million in Q3 2024. Net Loss was $(17.8) million, or (30)% of revenue, compared to $(187.8) million in Q3 2024, inclusive of goodwill impairment charges of $228.2 million, or (300)% of revenue.Adjusted Net Income was $9.7 million, compared to $15.4 million in Q3 2024.Adjusted EBITDA was $18.9 million, or 32% of revenue, compar

    11/6/25 4:05:00 PM ET
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    EXECUTIVE CHAIRMAN Krantz Jason Ronald covered exercise/tax liability with 44,545 shares, decreasing direct ownership by 4% to 1,016,039 units (SEC Form 4)

    4 - Definitive Healthcare Corp. (0001861795) (Issuer)

    2/3/26 4:12:02 PM ET
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    Chief Financial Officer Heller Casey covered exercise/tax liability with 1,469 shares, decreasing direct ownership by 0.12% to 1,274,021 units (SEC Form 4)

    4 - Definitive Healthcare Corp. (0001861795) (Issuer)

    2/3/26 4:05:03 PM ET
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    Chief Financial Officer Heller Casey was granted 195,313 shares, increasing direct ownership by 18% to 1,275,490 units (SEC Form 4)

    4 - Definitive Healthcare Corp. (0001861795) (Issuer)

    1/7/26 4:05:02 PM ET
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    Amendment: SEC Form SCHEDULE 13G/A filed by Definitive Healthcare Corp.

    SCHEDULE 13G/A - Definitive Healthcare Corp. (0001861795) (Subject)

    2/9/26 4:10:50 PM ET
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    SEC Form 10-Q filed by Definitive Healthcare Corp.

    10-Q - Definitive Healthcare Corp. (0001861795) (Filer)

    11/6/25 4:27:07 PM ET
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    Definitive Healthcare Corp. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits

    8-K - Definitive Healthcare Corp. (0001861795) (Filer)

    11/6/25 4:14:12 PM ET
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    Definitive Healthcare downgraded by BTIG Research

    BTIG Research downgraded Definitive Healthcare from Buy to Neutral

    5/9/25 8:41:31 AM ET
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    Definitive Healthcare downgraded by Barclays with a new price target

    Barclays downgraded Definitive Healthcare from Equal Weight to Underweight and set a new price target of $4.00

    1/13/25 7:41:23 AM ET
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    Stephens initiated coverage on Definitive Healthcare with a new price target

    Stephens initiated coverage of Definitive Healthcare with a rating of Equal-Weight and set a new price target of $5.00

    12/20/24 7:31:03 AM ET
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    SEC Form SC 13G filed by Definitive Healthcare Corp.

    SC 13G - Definitive Healthcare Corp. (0001861795) (Subject)

    11/12/24 11:54:03 AM ET
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    SEC Form SC 13G filed by Definitive Healthcare Corp.

    SC 13G - Definitive Healthcare Corp. (0001861795) (Subject)

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    SEC Form SC 13G/A filed by Definitive Healthcare Corp. (Amendment)

    SC 13G/A - Definitive Healthcare Corp. (0001861795) (Subject)

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    Definitive Healthcare Announces Timing of Its Fourth Quarter and Full Year 2025 Financial Results Conference Call and Webcast

    FRAMINGHAM, Mass., Jan. 29, 2026 (GLOBE NEWSWIRE) -- Definitive Healthcare Corp. ("Definitive Healthcare") (NASDAQ:DH), an industry leader in healthcare market data and analytics, today announced that it will report financial results for its fourth quarter and full year ended December 31, 2025, on Thursday, February 26, 2026 after market close. The company will host a conference call and webcast at 5:00 PM (ET) / 2:00 PM (PT) to discuss the company's financial results. A live audio webcast of the event will be available on the Definitive Healthcare's Investor Relations website at https://ir.definitivehc.com/. A live dial-in will be available at 877-358-7298 (domestic) or +1-848-488-9244

    1/29/26 4:05:00 PM ET
    $DH
    Computer Software: Prepackaged Software
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    Definitive Healthcare Reports Financial Results for Third Quarter Fiscal Year 2025

    FRAMINGHAM, Mass., Nov. 06, 2025 (GLOBE NEWSWIRE) -- Definitive Healthcare Corp. ("Definitive Healthcare" or the "Company") (NASDAQ:DH), an industry leader in healthcare commercial intelligence, today announced financial results for the quarter ended September 30, 2025.  Third Quarter 2025 Financial Highlights: Revenue was $60.0 million, a decrease of 4% from $62.7 million in Q3 2024. Net Loss was $(17.8) million, or (30)% of revenue, compared to $(187.8) million in Q3 2024, inclusive of goodwill impairment charges of $228.2 million, or (300)% of revenue.Adjusted Net Income was $9.7 million, compared to $15.4 million in Q3 2024.Adjusted EBITDA was $18.9 million, or 32% of revenue, compar

    11/6/25 4:05:00 PM ET
    $DH
    Computer Software: Prepackaged Software
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    Definitive Healthcare Announces Timing of Its Third Quarter 2025 Financial Results Conference Call and Webcast

    FRAMINGHAM, Mass., Oct. 23, 2025 (GLOBE NEWSWIRE) -- Definitive Healthcare Corp. ("Definitive Healthcare") (NASDAQ:DH), an industry leader in healthcare commercial intelligence, today announced that it will report financial results for its third quarter ended September 30, 2025, on Thursday, November 6, 2025 after market close. The company will host a conference call and webcast at 5:00 PM (ET) / 2:00 PM (PT) to discuss the company's financial results. A live audio webcast of the event will be available on the Definitive Healthcare's Investor Relations website at https://ir.definitivehc.com/. A live dial-in will be available at 877-358-7298 (domestic) or +1-848-488-9244 (international).

    10/23/25 4:05:00 PM ET
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    Definitive Healthcare Appoints Kevin Coop as CEO for Next Phase of Company's Growth

    FRAMINGHAM, Mass., May 28, 2024 (GLOBE NEWSWIRE) -- Definitive Healthcare Corp. ("Definitive Healthcare") (NASDAQ:DH), an industry leader in healthcare commercial intelligence, today announced that its Board of Directors has appointed Kevin Coop as the Company's next Chief Executive Officer and as a member of the Board of Directors, each effective June 24, 2024. Mr. Coop succeeds Jason Krantz, founder and Executive Chairman, who has been serving as Interim CEO since January 2024. Mr. Krantz will continue to serve on the Board of Directors as Executive Chairman after the CEO transition. "Kevin is an outstanding leader. He has deep, hands-on experience with data-focused businesses and has a

    5/28/24 8:00:00 AM ET
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    Established Executive and Milwaukee Business Leader Jim Emling Joins VBA as Executive Chair of the Board of Directors

    Jim Emling, the CEO of Datassential and former long-time president of Milwaukee-based Zywave, has been appointed Executive Chair of the Board of Directors at VBA, the company announced today. "We are delighted to welcome Jim officially to VBA as the Executive Chair," said Michael Clayton, the company's President and CEO. "Jim and I have worked closely together over the last 3 months and his decades of experience scaling high growth software companies combined with his strong ties to the Milwaukee technology sector will be tremendous assets to VBA as we enter our next phase of growth." Emling has deep roots in the Milwaukee technology community. He was the founding CTO of Zywave and serv

    11/28/23 5:00:00 PM ET
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    Definitive Healthcare Names Carrie Lazorchak as Chief Revenue Officer

    FRAMINGHAM, Mass., Oct. 05, 2023 (GLOBE NEWSWIRE) -- Definitive Healthcare Corp. (NASDAQ:DH), an industry leader in healthcare commercial intelligence, today announced that Carrie Lazorchak has been named Chief Revenue Officer, effective November 1, 2023. "I am thrilled to welcome Carrie Lazorchak to Definitive Healthcare as our new Chief Revenue Officer," said Robert Musslewhite, Chief Executive Officer of Definitive Healthcare. "Carrie is a fantastic fit for Definitive Healthcare. Her values and her deep belief in the power of humble collaboration make her a perfect match for our culture. Carrie brings a wealth of experience selling Software as a Service to both enterprise accounts and

    10/5/23 4:05:00 PM ET
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