Datadog, Inc. — Director's Dealing 2026

Feb 25, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2026-02-23

Reporting Person: Pomel Olivier (Director, Chief Executive Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-23	Stock Option (Right to Buy)	$0.9092	M	381168	Disposed	2027-10-24	Class B Common Stock (381168)	Direct
2026-02-23	Class B Common Stock	$	M	381168	Acquired		Class A Common Stock (381168)	Direct
2026-02-23	Stock Option (Right to Buy)	$10.74	M	618832	Disposed	2029-07-18	Class B Common Stock (618832)	Direct
2026-02-23	Class B Common Stock	$	M	618832	Acquired		Class A Common Stock (618832)	Direct

Footnotes

F1: Option is fully vested and exercisable.

F2: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.