Robert Raymond Petrocelli - 09 Mar 2022 Form 4 Insider Report for DATTO HOLDING CORP.

Role: Chief Technology Officer
Signature: /s/ Adam Collicelli, by Power of Attorney
Issuer symbol: N/A
Transactions as of: 09 Mar 2022
Net transactions value: -$541,816
Form type: 4
Filing time: 11 Mar 2022, 15:36:37 UTC
Previous filing: 09 Mar 2022
Next filing: 04 Apr 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MSP	Common Stock	Options Exercise	$518,885	+44,964	+40%	$11.54	157,464	09 Mar 2022	Direct	F1
transaction	MSP	Common Stock	Sale	$1,060,701	-44,964	-29%	$23.59	112,500	09 Mar 2022	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MSP	Options (Right to Buy)	Options Exercise	$0	-44,964	-20%	$0.000000	184,226	09 Mar 2022	Common Stock	44,964	$11.54	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	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 September 16, 2021.
F2	Consists of options, of which 25% vested on July 15, 2020, and an additional 6.25% vest quarterly thereafter as long as the Reporting Person continues to be employed as of each respective vesting date.