Datadog, Inc. — Director's Dealing 2020

Dec 3, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-12-01

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-11-18	Class A Common Stock	G	11352	$0.00	Disposed	105910	Direct
2020-12-01	Class A Common Stock	C	159733	—	Acquired	159733	Indirect
2020-12-01	Class A Common Stock	S	38471	$94.6872	Disposed	121262	Indirect
2020-12-01	Class A Common Stock	S	76091	$95.506	Disposed	45171	Indirect
2020-12-01	Class A Common Stock	S	39271	$96.5702	Disposed	5900	Indirect
2020-12-01	Class A Common Stock	S	900	$97.1681	Disposed	5000	Indirect
2020-12-01	Class A Common Stock	S	5000	$98.45	Disposed	0	Indirect
2020-12-02	Class A Common Stock	C	157267	—	Acquired	157267	Indirect
2020-12-02	Class A Common Stock	S	14960	$90.7247	Disposed	142307	Indirect
2020-12-02	Class A Common Stock	S	23754	$91.5569	Disposed	118553	Indirect
2020-12-02	Class A Common Stock	S	69413	$92.843	Disposed	49140	Indirect
2020-12-02	Class A Common Stock	S	49140	$93.4215	Disposed	0	Indirect
2020-12-01	Class A Common Stock	C	52400	—	Acquired	52400	Indirect
2020-12-01	Class A Common Stock	S	15841	$94.6901	Disposed	36559	Indirect
2020-12-01	Class A Common Stock	S	29503	$95.3928	Disposed	7056	Indirect
2020-12-01	Class A Common Stock	S	7056	$96.5423	Disposed	0	Indirect
2020-12-01	Class A Common Stock	C	50000	—	Acquired	50000	Indirect
2020-12-01	Class A Common Stock	S	16887	$94.7224	Disposed	33113	Indirect
2020-12-01	Class A Common Stock	S	26678	$95.4237	Disposed	6435	Indirect
2020-12-01	Class A Common Stock	S	6435	$96.5494	Disposed	0	Indirect
2020-12-01	Class A Common Stock	C	50000	—	Acquired	50000	Indirect
2020-12-01	Class A Common Stock	S	18037	$94.7442	Disposed	31963	Indirect
2020-12-01	Class A Common Stock	S	25471	$95.4381	Disposed	6492	Indirect
2020-12-01	Class A Common Stock	S	6492	$96.5576	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-01	Class B Common Stock	$	C	159733	Disposed		Class B Common Stock (159733)	Indirect
2020-12-02	Class B Common Stock	$	C	157267	Disposed		Class B Common Stock (157267)	Indirect
2020-12-01	Class B Common Stock	$	C	52400	Disposed		Class B Common Stock (52400)	Indirect
2020-12-01	Class B Common Stock	$	C	50000	Disposed		Class B Common Stock (50000)	Indirect
2020-12-01	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 are held by the Alexis Le-Quoc Revocable Trust.

F3: Shares sold pursuant to a 10b5-1 plan entered into on September 14, 2020.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $94.03 to $95.02. 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 $95.03 to $96.02. 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 $96.03 to $97.02. 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 $97.08 to $97.56. 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 $90.13 to $91.10. 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 $91.13 to $92.12. 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 $92.18 to $93.17. 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.

F11: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $93.18 to $93.86. 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: Shares are held by the Alexis Le-Quoc 2016 GRAT.

F13: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $94.02 to $95.01. 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 $95.02 to $95.99. 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.

F15: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $96.06 to $97.04. 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 Offbeat Polymath 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 $94.06 to $95.05. 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 $95.06 to $96.05. 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 $96.08 to $97.02. 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: 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.

F21: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $94.09 to $95.08. 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: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $95.09 to $96.04. 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.

F23: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $96.10 to $97.02. 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.