Datadog, Inc. — Director's Dealing 2020

Aug 5, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-08-03

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-08-03	Class A Common Stock	C	225800	—	Acquired	225800	Indirect
2020-08-03	Class A Common Stock	S	99332	$94.2802	Disposed	126468	Indirect
2020-08-03	Class A Common Stock	S	99872	$95.2845	Disposed	26596	Indirect
2020-08-03	Class A Common Stock	S	26596	$96.0572	Disposed	0	Indirect
2020-08-03	Class A Common Stock	C	58400	—	Acquired	58400	Indirect
2020-08-03	Class A Common Stock	S	25675	$94.2809	Disposed	32725	Indirect
2020-08-03	Class A Common Stock	S	25518	$95.2862	Disposed	7207	Indirect
2020-08-03	Class A Common Stock	S	7207	$96.0484	Disposed	0	Indirect
2020-08-03	Class A Common Stock	C	50000	—	Acquired	50000	Indirect
2020-08-03	Class A Common Stock	S	22052	$94.2824	Disposed	27948	Indirect
2020-08-03	Class A Common Stock	S	21758	$95.2843	Disposed	6190	Indirect
2020-08-03	Class A Common Stock	S	6190	$96.0393	Disposed	0	Indirect
2020-08-03	Class A Common Stock	C	50000	—	Acquired	50000	Indirect
2020-08-03	Class A Common Stock	S	22772	$94.2923	Disposed	27228	Indirect
2020-08-03	Class A Common Stock	S	21463	$95.307	Disposed	5765	Indirect
2020-08-03	Class A Common Stock	S	5765	$96.0607	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-08-03	Class B Common Stock	$	C	225800	Disposed		Class B Common Stock (225800)	Indirect
2020-08-03	Class B Common Stock	$	C	58400	Disposed		Class B Common Stock (58400)	Indirect
2020-08-03	Class B Common Stock	$	C	50000	Disposed		Class B Common Stock (50000)	Indirect
2020-08-03	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 $93.73 to $94.72. 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 $94.73 to $95.72. 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 $95.74 to $96.58. 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: Shares are held by the Alexis Le-Quoc 2016 GRAT.

F8: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $93.73 to $94.72. 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 $94.73 to $95.72. 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 $95.74 to $96.58. 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: 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.

F12: Shares sold pursuant to a 10b5-1 plan entered into on December 7, 2019.

F13: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $93.73 to $94.72. 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 $94.73 to $95.72. 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: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $95.74 to $96.58. 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.

F16: 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.

F17: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $93.76 to $94.75. 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 $94.76 to $95.75. 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 $95.76 to $96.58. 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.