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: Le-Quoc Alexis (Director, President & CTO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-07-06	Class A Common Stock	C	225800	—	Acquired	225800	Indirect
2020-07-06	Class A Common Stock	S	75118	$88.8634	Disposed	150682	Indirect
2020-07-06	Class A Common Stock	S	25267	$89.5199	Disposed	125415	Indirect
2020-07-06	Class A Common Stock	S	46976	$90.705	Disposed	78439	Indirect
2020-07-06	Class A Common Stock	S	76339	$91.657	Disposed	2100	Indirect
2020-07-06	Class A Common Stock	S	2100	$92.3438	Disposed	0	Indirect
2020-07-06	Class A Common Stock	C	58400	—	Acquired	58400	Indirect
2020-07-06	Class A Common Stock	S	19607	$88.8659	Disposed	38793	Indirect
2020-07-06	Class A Common Stock	S	6715	$89.5688	Disposed	32078	Indirect
2020-07-06	Class A Common Stock	S	11557	$90.7029	Disposed	20521	Indirect
2020-07-06	Class A Common Stock	S	20021	$91.6574	Disposed	500	Indirect
2020-07-06	Class A Common Stock	S	500	$92.346	Disposed	0	Indirect
2020-07-06	Class A Common Stock	C	50000	—	Acquired	50000	Indirect
2020-07-06	Class A Common Stock	S	16874	$88.8702	Disposed	33126	Indirect
2020-07-06	Class A Common Stock	S	5775	$89.5855	Disposed	27351	Indirect
2020-07-06	Class A Common Stock	S	10404	$90.7468	Disposed	16947	Indirect
2020-07-06	Class A Common Stock	S	16647	$91.6789	Disposed	300	Indirect
2020-07-06	Class A Common Stock	S	300	$92.3933	Disposed	0	Indirect
2020-07-06	Class A Common Stock	C	50000	—	Acquired	50000	Indirect
2020-07-06	Class A Common Stock	S	16704	$88.869	Disposed	33296	Indirect
2020-07-06	Class A Common Stock	S	5847	$89.5709	Disposed	27449	Indirect
2020-07-06	Class A Common Stock	S	10482	$90.7348	Disposed	16967	Indirect
2020-07-06	Class A Common Stock	S	16757	$91.6795	Disposed	210	Indirect
2020-07-06	Class A Common Stock	S	210	$92.4538	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-07-06	Class B Common Stock	$	C	225800	Disposed		Class B Common Stock (225800)	Indirect
2020-07-06	Class B Common Stock	$	C	58400	Disposed		Class B Common Stock (58400)	Indirect
2020-07-06	Class B Common Stock	$	C	50000	Disposed		Class B Common Stock (50000)	Indirect
2020-07-06	Class B Common Stock	$	C	50000	Disposed		Class B Common Stock (50000)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Common Stock	117262	Direct

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 are held by the Alexis Le-Quoc Revocable Trust.

F3: Shares sold pursuant to a 10b5-1 plan entered into on December 6, 2019.

F4: 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.

F5: 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.

F6: 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.

F7: 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.

F8: 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.

F9: Shares are held by the Alexis Le-Quoc 2016 GRAT.

F10: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.19 to $89.18. 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.

F11: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $89.19 to $90.18. 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.

F12: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.19 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.

F13: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $91.19 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.

F14: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $92.21 to $92.48. 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.

F15: Shares are held by Offbeat Polymath Trust. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

F16: Shares sold pursuant to a 10b5-1 plan entered into on December 7, 2019.

F17: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.22 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.

F18: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $89.22 to $90.21. 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.

F19: 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.

F20: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $91.24 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.

F21: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $92.27 to $92.50. 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.

F22: Shares are held by Endearing Viceroy Trust. Reporting Person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest, if any, in the shares.

F23: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.21 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.

F24: 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.

F25: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.22 to $91.21. 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.

F26: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $91.22 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.

F27: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $92.38 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.