Datadog, Inc. — Director's Dealing 2025

Oct 15, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2025-10-13

Reporting Person: Shah Shardul (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-13	Class A Common Stock	S	1100	$160.7327	Disposed	371265	Indirect
2025-10-13	Class A Common Stock	S	2852	$161.7048	Disposed	368413	Indirect
2025-10-13	Class A Common Stock	S	1700	$162.9763	Disposed	366713	Indirect
2025-10-13	Class A Common Stock	S	1564	$164.0237	Disposed	365149	Indirect
2025-10-13	Class A Common Stock	S	700	$164.82	Disposed	364449	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	2106	Direct

Footnotes

F1: Shares sold pursuant to a 10b5-1 plan dated June 14, 2024.

F2: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $160.19 to $161.05. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

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.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $161.25 to $162.12. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F5: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $162.41 to $163.38. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F6: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $163.42 to $164.37. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.

F7: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $164.53 to $164.97. The Reporting Person will provide upon request to the SEC, the Issuer or security holder of the Issuer, full information regarding the number of shares sold at each separate price.