Datadog, Inc. — Director's Dealing 2020

Jul 8, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-07-06

Reporting Person: Pomel Olivier (Director, Chief Executive Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-07-06	Class A Common Stock	C	219200	—	Acquired	382821	Direct
2020-07-06	Class A Common Stock	S	72724	$88.8604	Disposed	310097	Direct
2020-07-06	Class A Common Stock	S	24767	$89.5168	Disposed	285330	Direct
2020-07-06	Class A Common Stock	S	44940	$90.7061	Disposed	240390	Direct
2020-07-06	Class A Common Stock	S	74769	$91.6572	Disposed	165621	Direct
2020-07-06	Class A Common Stock	S	2000	$92.343	Disposed	163621	Direct
2020-07-06	Class A Common Stock	C	75000	—	Acquired	75000	Indirect
2020-07-06	Class A Common Stock	S	25196	$88.8627	Disposed	49804	Indirect
2020-07-06	Class A Common Stock	S	8475	$89.559	Disposed	41329	Indirect
2020-07-06	Class A Common Stock	S	15447	$90.7178	Disposed	25882	Indirect
2020-07-06	Class A Common Stock	S	25282	$91.6587	Disposed	600	Indirect
2020-07-06	Class A Common Stock	S	600	$92.39	Disposed	0	Indirect
2020-07-06	Class A Common Stock	C	50000	—	Acquired	50000	Indirect
2020-07-06	Class A Common Stock	S	16848	$88.8646	Disposed	33152	Indirect
2020-07-06	Class A Common Stock	S	5663	$89.5747	Disposed	27489	Indirect
2020-07-06	Class A Common Stock	S	10904	$90.7608	Disposed	16585	Indirect
2020-07-06	Class A Common Stock	S	16285	$91.6882	Disposed	300	Indirect
2020-07-06	Class A Common Stock	S	300	$92.42	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-07-06	Class B Common Stock	$	C	219200	Disposed		Class B Common Stock (219200)	Direct
2020-07-06	Class B Common Stock	$	C	75000	Disposed		Class B Common Stock (75000)	Indirect
2020-07-06	Class B Common Stock	$	C	50000	Disposed		Class B Common Stock (50000)	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 plan entered into on December 7, 2019.

F3: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.18 to $89.17. 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 $89.18 to $90.17. 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 $90.18 to $91.17. 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 $91.18 to $92.15. 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 $92.18 to $92.53. 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.

F8: Shares are held by the Olivier Pomel 2018 GRAT.

F9: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.20 to $89.19. 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 $89.20 to $90.19. 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 $90.20 to $91.19. 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 $91.20 to $92.18. 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: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $92.21 to $92.51. 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.

F14: Shares are held by the Pomel Descendents' 2018 Trust. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

F15: Shares sold pursuant to a 10b5-1 plan entered into on December 6, 2019.

F16: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.21 to $89.20. 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.

F17: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $89.22 to $90.20. 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.

F18: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.24 to $91.23. 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.

F19: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $91.25 to $92.21. 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.

F20: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $92.33 to $92.51. 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.