Datadog, Inc. — Director's Dealing 2023

Oct 5, 2023

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2023-10-03

Reporting Person: Le-Quoc Alexis (Director, Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2023-10-03	Class A Common Stock	C	71364	$0.3067	Acquired	332475	Direct
2023-10-03	Class A Common Stock	S	30960	$86.8742	Disposed	301515	Direct
2023-10-03	Class A Common Stock	S	10137	$87.9768	Disposed	291378	Direct
2023-10-03	Class A Common Stock	S	23385	$88.8366	Disposed	267993	Direct
2023-10-03	Class A Common Stock	S	4154	$89.9063	Disposed	263839	Direct
2023-10-03	Class A Common Stock	S	2728	$90.6588	Disposed	261111	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2023-10-03	Stock Option (Right to Buy)	$0.3067	M	125200	Disposed	2025-10-27	Class B Common Stock (125200)	Direct
2023-10-03	Class B Common Stock	$	M	125200	Acquired		Class A Common Stock (125200)	Direct
2023-10-03	Class B Common Stock	$	C	71364	Disposed		Class A Common Stock (71364)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$		Class A Common Stock (7646635)	7646635	Indirect

Footnotes

F1: Each share of Class B Common Stock is convertible into an equal number of shares of Class A Common Stock at any time, at the holder's election, and has no expiration date. Each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon the earliest of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's amended and restated certificate of incorporation, (ii) the nine-month anniversary of the death of the Reporting Person in the case of shares held directly or in a trustee capacity, and (iii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F2: Shares sold pursuant to a 10b5-1 trading plan adopted on September 15, 2022.

F3: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $86.44 to $87.43. 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 $87.44 to $88.43. 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 $88.44 to $89.42. 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 $89.46 to $90.43. 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 $90.47 to $91.22. 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: Option is fully vested and exercisable.

F9: Shares are held by the Alexis Le-Quoc Revocable Trust.