SEC FORM 4

SEC FORM 4 SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

ABBOT JOHN

(Last)

(First)

(Middle)

101 MERRITT 7

(Street)

NORWALK

06851

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
DATTO HOLDING CORP. [ MSP ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Chief Financial Officer

3. Date of Earliest Transaction (Month/Day/Year)
12/08/2021

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	12/08/2021		M⁽¹⁾		3,709	A	$12.8	3,709	D
Common Stock	12/08/2021		S⁽¹⁾		3,709	D	$25	0.00	D
Common Stock	12/09/2021		M⁽¹⁾		200	A	$12.8	200	D
Common Stock	12/09/2021		S⁽¹⁾		200	D	$25	0.00	D
Common Stock	12/10/2021		M⁽¹⁾		308	A	$12.8	308	D
Common Stock	12/10/2021		S⁽¹⁾		308	D	$25.02⁽²⁾	0.00	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Options (Right to Buy)	$12.8	12/08/2021		M			3,709	⁽³⁾	06/29/2030	Common Stock	3,709	$0.00	639,407	D
Options (Right to Buy)	$12.8	12/09/2021		M			200	⁽³⁾	06/29/2030	Common Stock	200	$0.00	639,207	D
Options (Right to Buy)	$12.8	12/10/2021		M			308	⁽³⁾	06/29/2030	Common Stock	308	$0.00	638,899	D

Explanation of Responses:

1. The exercise and sale reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on December 16, 2020.

2. This transaction was executed in multiple trades at prices ranging from $25.00 to $25.02 per share. The price reported reflects the weighted average sale price. Upon request by the Issuer, any security holder of the Issuer or the staff of the SEC, the Reporting Person undertakes to provide full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. Consists of options, of which 25% vested on March 2, 2021, and an additional 6.25% vest quarterly thereafter as long as the Reporting Person continues to be employed as of each respective vesting date.

Remarks:

	/s/ Adam Collicelli, by Power of Attorney	12/10/2021
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

SEC Form 4: Abbot John exercised 4,217 shares at a strike of $12.80 and sold $105,431 worth of shares (4,217 units at $25.00) as part of a pre-agreed trading plan