SC 13G

NAME OF REPORTING PERSONS

GV 2017, L.P.

CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP

(a) ☐ (b) ☒

SEC USE ONLY

CITIZENSHIP OR PLACE OF ORGANIZATION

Delaware

SC 13G 1 d250198dsc13g.htm SC 13G SC 13G

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Schedule 13G

Under the Securities Exchange Act of 1934

(Amendment No. )*

TScan Therapeutics, Inc.

(Name of Issuer)

Voting Common Stock, par value $0.0001 per share

(Title of Class of Securities)

89854M101

(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).

(Continued on following pages)


CUSIP No. 89854M101		13G

⁽¹⁾

Consists of 641,848 shares of the Issuer’s Voting Common Stock held directly by GV 2017, L.P. GV 2017 GP, L.P. (the general partner of GV 2017, L.P.), GV 2017 GP, L.L.C. (the general partner of GV 2017 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2017 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to vote the shares held directly by GV 2017, L.P.

⁽²⁾

⁽³⁾	Based on 18,624,902 shares of the Issuer’s Voting Common Stock outstanding as of November 5, 2021 as disclosed in the Issuer’s Form 10-Q filed with the Securities and Exchange Commission on November 10, 2021.

Page 2 of 18


CUSIP No. 89854M101		13G

⁽¹⁾

⁽²⁾

⁽³⁾	Based on 18,624,902 shares of the Issuer’s Voting Common Stock outstanding as of November 5, 2021 as disclosed in the Issuer’s Form 10-Q filed with the Securities and Exchange Commission on November 10, 2021.

Page 3 of 18


CUSIP No. 89854M101		13G

⁽¹⁾

⁽²⁾

⁽³⁾	Based on 18,624,902 shares of the Issuer’s Voting Common Stock outstanding as of November 5, 2021 as disclosed in the Issuer’s Form 10-Q filed with the Securities and Exchange Commission on November 10, 2021.

Page 4 of 18


CUSIP No. 89854M101		13G

⁽⁴⁾

Consists of 435,232 shares of the Issuer’s Voting Common Stock held directly by GV 2019, L.P. GV 2019 GP, L.P. (the general partner of GV 2019, L.P.), GV 2019 GP, L.L.C. (the general partner of GV 2019 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2019 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to vote the shares held directly by GV 2019, L.P.

⁽⁵⁾

⁽³⁾	Based on 18,624,902 shares of the Issuer’s Voting Common Stock outstanding as of November 5, 2021 as disclosed in the Issuer’s Form 10-Q filed with the Securities and Exchange Commission on November 10, 2021.

Page 5 of 18


CUSIP No. 89854M101		13G

⁽⁴⁾

⁽⁵⁾

⁽³⁾	Based on 18,624,902 shares of the Issuer’s Voting Common Stock outstanding as of November 5, 2021 as disclosed in the Issuer’s Form 10-Q filed with the Securities and Exchange Commission on November 10, 2021.

Page 6 of 18


CUSIP No. 89854M101		13G

⁽⁴⁾

⁽⁵⁾

⁽³⁾	Based on 18,624,902 shares of the Issuer’s Voting Common Stock outstanding as of November 5, 2021 as disclosed in the Issuer’s Form 10-Q filed with the Securities and Exchange Commission on November 10, 2021.

Page 7 of 18


CUSIP No. 89854M101		13G

⁽⁶⁾

Consists of 641,848 shares of the Issuer’s Voting Common Stock held directly by GV 2017, L.P. and 435,232 shares of the Issuer’s Voting Common Stock held directly by GV 2019, L.P. GV 2017 GP, L.P. (the general partner of GV 2017, L.P.), GV 2017 GP, L.L.C. (the general partner of GV 2017 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2017 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to vote the shares held directly by GV 2017, L.P. GV 2019 GP, L.P. (the general partner of GV 2019, L.P.), GV 2019 GP, L.L.C. (the general partner of GV 2019 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2019 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to vote the shares held directly by GV 2019, L.P.

⁽⁷⁾

Consists of 641,848 shares of the Issuer’s Voting Common Stock held directly by GV 2017, L.P. and 435,232 shares of the Issuer’s Voting Common Stock held directly by GV 2019, L.P. GV 2017 GP, L.P. (the general partner of GV 2017, L.P.), GV 2017 GP, L.L.C. (the general partner of GV 2017 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2017 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to dispose of the shares held directly by GV 2017, L.P. GV 2019 GP, L.P. (the general partner of GV 2019, L.P.), GV 2019 GP, L.L.C. (the general partner of GV 2019 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2019 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to dispose of the shares held directly by GV 2019, L.P.

⁽³⁾	Based on 18,624,902 shares of the Issuer’s Voting Common Stock outstanding as of November 5, 2021 as disclosed in the Issuer’s Form 10-Q filed with the Securities and Exchange Commission on November 10, 2021.

Page 8 of 18


CUSIP No. 89854M101		13G

⁽⁶⁾

⁽⁷⁾

Consists of 641,848 shares of the Issuer’s Voting Common Stock held directly by GV 2017, L.P. and 435,232 shares of the Issuer’s Voting Common Stock held directly by GV 2019, L.P. GV 2017 GP, L.P. (the general partner of GV 2017, L.P.), GV 2017 GP, L.L.C. (the general partner of GV 2017 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2017 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to dispose of the shares held directly by GV 2017, L.P. GV 2019 GP, L.P. (the general partner of GV 2019, L.P.), GV 2019 GP, L.L.C. (the general partner of GV 2019 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2019 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to dispose of the shares held directly by GV 2019, L.P.

⁽³⁾	Based on 18,624,902 shares of the Issuer’s Voting Common Stock outstanding as of November 5, 2021 as disclosed in the Issuer’s Form 10-Q filed with the Securities and Exchange Commission on November 10, 2021

Page 9 of 18


CUSIP No. 89854M101		13G

⁽⁶⁾

⁽⁷⁾

Consists of 641,848shares of the Issuer’s Voting Common Stock held directly by GV 2017, L.P. and 435,232 shares of the Issuer’s Voting Common Stock held directly by GV 2019, L.P. GV 2017 GP, L.P. (the general partner of GV 2017, L.P.), GV 2017 GP, L.L.C. (the general partner of GV 2017 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2017 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to dispose of the shares held directly by GV 2017, L.P. GV 2019 GP, L.P. (the general partner of GV 2019, L.P.), GV 2019 GP, L.L.C. (the general partner of GV 2019 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2019 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may each be deemed to have sole power to dispose of the shares held directly by GV 2019, L.P.

⁽³⁾	Based on 18,624,902 shares of the Issuer’s Voting Common Stock outstanding as of November 5, 2021 as disclosed in the Issuer’s Form 10-Q filed with the Securities and Exchange Commission on November 10, 2021.

Page 10 of 18

ITEM 1

(A). NAME OF ISSUER

TScan Therapeutics, Inc.

ITEM 1

(B). ADDRESS OF ISSUER’S PRINCIPAL EXECUTIVE OFFICES:

830 Winter Street

Waltham, MA 02451

ITEM 2

(A). NAME OF PERSONS FILING:

This statement is filed by the following entities, collectively referred to as the “Reporting Persons”:

•

GV 2017, L.P., a Delaware limited partnership

•

GV 2017 GP, L.P., a Delaware limited partnership

•

GV 2017 GP, L.L.C., a Delaware limited liability company

•

GV 2019, L.P., a Delaware limited partnership

•

GV 2019 GP, L.P., a Delaware limited partnership

•

GV 2019 GP, L.L.C., a Delaware limited liability company

•

Alphabet Holdings LLC, a Delaware limited liability company

•

XXVI Holdings Inc., a Delaware corporation, and

•

Alphabet Inc., a Delaware corporation

Each of GV 2017 GP, L.P. (the general partner of GV 2017, L.P.), GV 2017 GP, L.L.C. (the general partner of GV 2017 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2017 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may be deemed to have sole power to vote or sole power to dispose of the securities owned directly by GV 2017, L.P.

Each of GV 2019 GP, L.P. (the general partner of GV 2019, L.P.), GV 2019 GP, L.L.C. (the general partner of GV 2019 GP, L.P.), Alphabet Holdings LLC (the sole member of GV 2019 GP, L.L.C.), XXVI Holdings Inc. (the sole member of Alphabet Holdings LLC), and Alphabet Inc. (the controlling stockholder of XXVI Holdings Inc.) may be deemed to have sole power to vote or sole power to dispose of the securities owned directly by GV 2019, L.P.

ITEM 2

(B). ADDRESS OF PRINCIPAL BUSINESS OFFICE, OR, IF NONE, RESIDENCE:

The address of the principal business office for each of the Reporting Persons is:

1600 Amphitheatre Parkway

Mountain View, CA 94043

ITEM 2

(C). CITIZENSHIP:

GV 2017, L.P. is a Delaware limited partnership, GV 2017 GP, L.P. is a Delaware limited partnership, GV 2017 GP, L.L.C. is a Delaware limited liability company, GV 2019, L.P. is a Delaware limited partnership, GV 2019 GP, L.P. is a Delaware limited partnership, GV 2019 GP, L.L.C. is a Delaware limited liability company, Alphabet Holdings LLC is a Delaware limited liability company, XXVI Holdings Inc. is a Delaware corporation, and Alphabet Inc. is a Delaware corporation.

Page 11 of 18

ITEM 2

(D)/(E). TITLE OF CLASS OF SECURITIES AND CUSIP NUMBER:

Voting Common Stock, par value $0.0001 per share

CUSIP # 89854M101

ITEM	3. Not Applicable.

ITEM	4. OWNERSHIP:

Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.

(a) Amount beneficially owned:

See Row 9 of cover page for each Reporting Person.

(b) Percent of Class:

See Row 11 of cover page for each Reporting Person.

(i) Sole power to vote or to direct the vote:

See Row 5 of cover page for each Reporting Person.

(ii) Shared power to vote or to direct the vote:

See Row 6 of cover page for each Reporting Person.

(iii) Sole power to dispose or to direct the disposition of:

See Row 7 of cover page for each Reporting Person.

(iv) Shared power to dispose or to direct the disposition of:

See Row 8 of cover page for each Reporting Person.

ITEM	5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:

Not Applicable.

ITEM	6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:

Under certain circumstances set forth in the limited partnership agreement of GV 2017, L.P., the limited partnership agreement of GV 2019, L.P., the limited partnership agreement of GV 2017 GP, L.P., the limited partnership agreement of GV 2019 GP, L.P., the limited liability company agreement of GV 2017 GP, L.L.C., and the limited liability company agreement of GV 2019 GP, L.L.C., the general and limited partners or members, as the case may be, of each of such entities may be deemed to have the right to receive dividends from, or the proceeds from, the sale of shares of the issuer owned by each such entity of which they are a general partner, limited partner, or member.

Page 12 of 18

ITEM	7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:

Not Applicable.

ITEM	8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:

Not Applicable.

ITEM	9. NOTICE OF DISSOLUTION OF GROUP:

Not Applicable.

ITEM	10. CERTIFICATION:

Not Applicable.

Page 13 of 18

SIGNATURES

After reasonable inquiry and to the best of her or its knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.

Dated: February 11, 2022


GV 2017, L.P.
By: GV 2017 GP, L.P., its General Partner
By: GV 2017 GP, L.L.C., its General Partner
By: Alphabet Holdings LLC, its Sole Member

By:		/s/ Kathryn W. Hall


Name:		Kathryn W. Hall
Title:		Secretary



GV 2017 GP, L.P.
By: GV 2017 GP, L.L.C., its General Partner
By: Alphabet Holdings LLC, its Sole Member

By:		/s/ Kathryn W. Hall


Name:		Kathryn W. Hall
Title:		Secretary



GV 2017 GP, L.L.C
By: Alphabet Holdings LLC, its Sole Member

By:		/s/ Kathryn W. Hall


Name:		Kathryn W. Hall
Title:		Secretary



GV 2019, L.P.
By: GV 2019 GP, L.P., its General Partner
By: GV 2019 GP, L.L.C., its General Partner
By: Alphabet Holdings LLC, its Sole Member

By:		/s/ Kathryn W. Hall


Name:		Kathryn W. Hall
Title:		Secretary



GV 2019 GP, L.P.
By: GV 2019 GP, L.L.C., its General Partner
By: Alphabet Holdings LLC, its Sole Member

By:		/s/ Kathryn W. Hall


Name:		Kathryn W. Hall
Title:		Secretary



GV 2019 GP, L.L.C.
By: Alphabet Holdings LLC, its Sole Member

By:		/s/ Kathryn W. Hall


Name:		Kathryn W. Hall
Title:		Secretary



Alphabet Holdings LLC

By:		/s/ Kathryn W. Hall


Name:		Kathryn W. Hall
Title:		Secretary



XXVI Holdings Inc.

By:		/s/ Kathryn W. Hall


Name:		Kathryn W. Hall
Title:		Assistant Secretary

Page 14 of 18


Alphabet Inc.

By:		/s/ Kathryn W. Hall


Name:		Kathryn W. Hall


Title:		Assistant Secretary

Page 15 of 18

EXHIBIT INDEX


Exhibit		Found on Sequentially Numbered Page

Exhibit A: Agreement of Joint Filing		17

Page 16 of 18

SEC Form SC 13G filed by TScan Therapeutics Inc.