Datadog, Inc. — Director's Dealing 2025

Jun 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2025-06-03

Reporting Person: Shah Shardul (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-06-03	Class A Common Stock	A	2106	—	Acquired	2106	Direct
2025-06-04	Class A Common Stock	S	23748	$120	Disposed	396121	Indirect

Footnotes

F1: Represents the number of shares underlying Restricted Stock Units ("RSUs") granted pursuant to the Issuer's non-employee director compensation policy. Each RSU represents a contingent right to
receive one share of Issuer's Class A common stock. The RSUs vest on the earlier of (A) the Company's next annual meeting of stockholders and (B) June 3, 2026, in each case, subject to the Reporting
Person's continuous service to the Issuer through the vesting date.

F2: Shares sold pursuant to a 10b5-1 plan dated June 14, 2024.

F3: The shares are held by the 2019 Shah Family Trust, of which Reporting Person is Trustee. The Reporting Person disclaims Section 16 beneficial ownership of these shares, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that the Reporting Person is the beneficial owner of such shares for Section 16 or any other purpose.