Datadog, Inc. — Director's Dealing 2022

Feb 15, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2022-02-11

Reporting Person: Agarwal Amit (Chief Product Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-02-11	Common A Common Stock	C	2500	$0.00	Acquired	2500	Indirect
2022-02-11	Common A Common Stock	S	100	$165.816	Disposed	2400	Indirect
2022-02-11	Common A Common Stock	S	190	$167.1243	Disposed	2210	Indirect
2022-02-11	Common A Common Stock	S	480	$167.8783	Disposed	1730	Indirect
2022-02-11	Common A Common Stock	S	80	$168.9225	Disposed	1650	Indirect
2022-02-11	Common A Common Stock	S	100	$171.64	Disposed	1550	Indirect
2022-02-11	Common A Common Stock	S	50	$173.09	Disposed	1500	Indirect
2022-02-11	Common A Common Stock	S	350	$174.7407	Disposed	1150	Indirect
2022-02-11	Common A Common Stock	S	450	$176.0811	Disposed	700	Indirect
2022-02-11	Common A Common Stock	S	400	$177.0712	Disposed	300	Indirect
2022-02-11	Common A Common Stock	S	200	$178.19	Disposed	100	Indirect
2022-02-11	Common A Common Stock	S	50	$179.19	Disposed	50	Indirect
2022-02-11	Common A Common Stock	S	50	$180.49	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-02-11	Class B Common Stock	$	C	2500	Disposed		Class A Common Stock (2500)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common A Common Stock	2174	Indirect
Common A Common Stock	161944	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$		Class A Common Stock ()	607826	Indirect
Class B Common Stock	$		Class A Common Stock ()	7	Direct
Class B Common Stock	$		Class A Common Stock ()	1058365	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 $165.30 to $166.23. 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 $166.48 to $167.46. 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 $167.51 to $168.50. 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 $168.79 to $168.99. 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 $171.62 to $171.66. 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 $174.50 to $175.06. 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 $175.54 to $176.53. 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 $176.62 to $177.47. 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 $177.73 to $178.42. 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.

F13: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

F14: Shares are held directly by Agarwal 2018 Family Trust, of which the Reporting Person's spouse is Trustee.