Datadog, Inc. — Director's Dealing 2025

Dec 4, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2025-12-02

Reporting Person: Li Yanbing (Chief Product Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-02	Class A Common Stock	S	6715	$158.5985	Disposed	199394	Direct

Footnotes

F1: The Reporting Person was required by the Issuer to sell only the number of shares of common stock necessary to cover applicable tax withholding obligations realized upon the vesting of restricted stock units and performance-based restricted stock units, as well as any related brokerage commission fees.

F2: Includes 74 shares acquired on November 14, 2025 under the Issuers Employee Stock Purchase Plan.