Datadog, Inc. — Director's Dealing 2020

May 14, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-05-12

Reporting Person: OBSTLER DAVID M (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-12	Class A Common Stock	S	3800	$61.7967	Disposed	344712	Direct
2020-05-12	Class A Common Stock	S	11900	$63.5036	Disposed	332812	Direct
2020-05-12	Class A Common Stock	S	8600	$64.3277	Disposed	324212	Direct
2020-05-12	Class A Common Stock	S	700	$65.2036	Disposed	323512	Direct

Footnotes

F1: Shares sold pursuant to a 10b5-1 plan entered into on December 11, 2019.

F2: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $61.51 to $62.44. 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 $62.905 to $63.90. 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 $63.905 to $64.895. 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 $65.19 to $65.24. 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.