Datadog, Inc. — Director's Dealing 2022

Jan 7, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2022-01-04

Reporting Person: Kopits Laszlo (General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-01-04	Class A Common Stock	S	500	$149.878	Disposed	151956	Direct
2022-01-04	Class A Common Stock	S	500	$150.94	Disposed	151456	Direct
2022-01-04	Class A Common Stock	S	400	$152.14	Disposed	151056	Direct
2022-01-04	Class A Common Stock	S	700	$153.2286	Disposed	150356	Direct
2022-01-04	Class A Common Stock	S	1200	$154.485	Disposed	149156	Direct
2022-01-04	Class A Common Stock	S	913	$155.6533	Disposed	148243	Direct
2022-01-04	Class A Common Stock	S	800	$156.9225	Disposed	147443	Direct
2022-01-04	Class A Common Stock	S	1487	$158.0075	Disposed	145956	Direct
2022-01-04	Class A Common Stock	S	900	$159.2156	Disposed	145056	Direct
2022-01-04	Class A Common Stock	S	300	$160.5133	Disposed	144756	Direct
2022-01-04	Class A Common Stock	S	200	$161.74	Disposed	144556	Direct
2022-01-04	Class A Common Stock	S	100	$163.44	Disposed	144456	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 $149.38 to $150.35. 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 $150.44 to $151.38. 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.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $151.76 to $152.36. 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 $152.88 to $153.81. 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 $153.96 to $154.90. 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.

F7: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $155.25 to $155.95. 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 $156.45 to $157.30. 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: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $157.60 to $158.39. 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.

F10: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $158.84 to $159.62. 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

F11: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $160.05 to $160.91. 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

F12: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $161.32 to $162.16. 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

F13: 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.