Datadog, Inc. — Director's Dealing 2021

May 17, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2021-05-13

Reporting Person: OBSTLER DAVID M (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-13	Class A Common Stock	S	5000	$80.25	Disposed	70000	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	178230	Direct

Footnotes

F1: Shares sold pursuant to a 10b5-1 plan entered into on December 10, 2020.

F2: Shares are held directly by the David Obstler 2019 GRAT, of which Reporting Person is Trustee.