Datadog, Inc. — Director's Dealing 2025

Feb 27, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2025-02-25

Reporting Person: Le-Quoc Alexis (Director, Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-13	Class A Common Stock	J	36	—	Acquired	135	Indirect
2025-02-25	Class A Common Stock	A	79173	—	Acquired	403951	Direct

Footnotes

F1: Acquired in pro rata distribution from a fund in which the Reporting Person is a limited partner.

F2: Shares are held by the Alexis Le-Quoc Revocable Trust.

F3: On July 29, 2024, 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, 2025 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.