Datadog, Inc. — Director's Dealing 2021

Nov 19, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2021-11-17

Reporting Person: Agarwal Amit (Chief Product Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-11-17	Common A Common Stock	C	2500	$0.00	Acquired	2500	Indirect
2021-11-17	Common A Common Stock	S	800	$190.1738	Disposed	1700	Indirect
2021-11-17	Common A Common Stock	S	1100	$191.38	Disposed	600	Indirect
2021-11-17	Common A Common Stock	S	400	$193.245	Disposed	200	Indirect
2021-11-17	Common A Common Stock	S	200	$197.09	Disposed	0	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common A Common Stock	167621	Direct
Common A Common Stock	1087	Indirect

Footnotes

F1: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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 are held by Reporting Person's spouse.

F3: Shares sold pursuant to a 10b5-1 plan entered into on September 9, 2021.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $189.90 to $190.68. 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 $190.93 to $191.91. 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.

F6: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $192.61 to $193.50. 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 $196.98 to $197.20. 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.

F8: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.