Datadog, Inc. — Director's Dealing 2021

Dec 23, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2021-12-20

Reporting Person: Kopits Laszlo (General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-20	Class A Common Stock	S	300	$160.2467	Disposed	160156	Direct
2021-12-20	Class A Common Stock	S	885	$162.7445	Disposed	159271	Direct
2021-12-20	Class A Common Stock	S	1115	$163.7225	Disposed	158156	Direct
2021-12-20	Class A Common Stock	S	2700	$164.5542	Disposed	155456	Direct
2021-12-20	Class A Common Stock	S	1800	$165.6577	Disposed	153656	Direct
2021-12-20	Class A Common Stock	S	957	$166.6506	Disposed	152699	Direct
2021-12-20	Class A Common Stock	S	243	$167.9608	Disposed	152456	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	30000	Indirect

Footnotes

F1: Shares sold pursuant to a 10b5-1 plan entered into on February 27, 2021.

F2: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $160.10 to $160.39. 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: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $162.12 to $163.11. 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.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $163.12 to $164.11. 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 $164.17 to $165.08. 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 $165.275 to $166.20. 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 $166.31 to $167.24. 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.

F8: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $167.36 to $168.12. 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.

F9: Shares are held directly by the L.I. Kopits November 2021 GRAT, of which the Reporting Person is Trustee. Shares received from Reporting Person on December 1, 2021 in an exempt transfer.