Sean Michael Walters - 02 Sep 2025 Form 4 Insider Report for Datadog, Inc. (DDOG)

Role: Chief Revenue Officer
Signature: /s/ Kerry Acocella, Attorney-in-Fact
Issuer symbol: DDOG
Transactions as of: 02 Sep 2025
Transactions value $: -$1,421,722
Form type: 4
Filing time: 04 Sep 2025, 18:57:14 UTC
Previous filing: 08 Jul 2025
Next filing: 12 Sep 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Walters Sean Michael	Chief Revenue Officer	C/O DATADOG, INC., 620 8TH AVENUE, 45TH FLOOR, NEW YORK	/s/ Kerry Acocella, Attorney-in-Fact	04 Sep 2025	0001903980

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	DDOG	Class A Common Stock	Sale	-$1.42M	-10.6K	-5%	$133.85	202K	02 Sep 2025	Direct	F1, F2
holding	DDOG	Class A Common Stock						8	02 Sep 2025	By Son

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
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	Price reported is a weighted-average sales price. The shares were sold at prices ranging from $132.94 to $133.85. 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.