Kerry Acocella - 05 Feb 2026 Form 4 Insider Report for Datadog, Inc. (DDOG)

Role: General Counsel and Secretary
Signature: /s/ Kerry Acocella
Issuer symbol: DDOG
Transactions as of: 05 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 09 Feb 2026, 17:21:54 UTC
Previous filing: 17 Dec 2025
Next filing: 04 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Acocella Kerry	General Counsel and Secretary	C/O DATADOG, INC., 620 8TH AVENUE, 45TH FLOOR, NEW YORK	/s/ Kerry Acocella	09 Feb 2026	0001903975

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DDOG	Class A Common Stock	Award	$0	+61,536	+75%	$0.000000	143,374	05 Feb 2026	Direct	F1

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

Explanation of Responses:

Id	Content
F1	On April 1, 2025, the Reporting Person was granted restricted stock units, the vesting of which was subject to both performance-based and service-based criteria ("PSUs"). The number of shares reported represents the number of PSUs that were earned as a result of the achievement of such performance criteria. Such earned PSUs will vest as to service as to 1/4 of the shares on March 1, 2026 and 1/12 of the remaining shares on each June 1, September 1, December 1 and March 1 thereafter, subject in each case to the Reporting Person remaining in Continuous Service (as defined in the Issuer's 2019 Equity Incentive Plan) of the Issuer as of each such date.

Content

On April 1, 2025, the Reporting Person was granted restricted stock units, the vesting of which was subject to both performance-based and service-based criteria ("PSUs"). The number of shares reported represents the number of PSUs that were earned as a result of the achievement of such performance criteria. Such earned PSUs will vest as to service as to 1/4 of the shares on March 1, 2026 and 1/12 of the remaining shares on each June 1, September 1, December 1 and March 1 thereafter, subject in each case to the Reporting Person remaining in Continuous Service (as defined in the Issuer's 2019 Equity Incentive Plan) of the Issuer as of each such date.