Datadog, Inc. — Director's Dealing 2020

Sep 3, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-09-01

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-09-01	Class A Common Stock	C	165596	—	Acquired	329217	Direct
2020-09-01	Class A Common Stock	S	2216	$83.2699	Disposed	327001	Direct
2020-09-01	Class A Common Stock	S	17672	$84.6703	Disposed	309329	Direct
2020-09-01	Class A Common Stock	S	116001	$85.3682	Disposed	193328	Direct
2020-09-01	Class A Common Stock	S	28123	$86.1407	Disposed	165205	Direct
2020-09-01	Class A Common Stock	S	1584	$86.9884	Disposed	163621	Direct
2020-09-01	Class A Common Stock	C	56250	—	Acquired	56250	Indirect
2020-09-01	Class A Common Stock	S	800	$83.285	Disposed	55450	Indirect
2020-09-01	Class A Common Stock	S	8539	$84.7575	Disposed	46911	Indirect
2020-09-01	Class A Common Stock	S	38767	$85.4265	Disposed	8144	Indirect
2020-09-01	Class A Common Stock	S	7744	$86.2055	Disposed	400	Indirect
2020-09-01	Class A Common Stock	S	400	$87.0675	Disposed	0	Indirect
2020-09-01	Class A Common Stock	C	37500	—	Acquired	37500	Indirect
2020-09-01	Class A Common Stock	S	500	$83.248	Disposed	37000	Indirect
2020-09-01	Class A Common Stock	S	4328	$84.6748	Disposed	32672	Indirect
2020-09-01	Class A Common Stock	S	26262	$85.3805	Disposed	6410	Indirect
2020-09-01	Class A Common Stock	S	6110	$86.1434	Disposed	300	Indirect
2020-09-01	Class A Common Stock	S	300	$87.07	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-09-01	Class B Common Stock	$	C	165596	Disposed		Class B Common Stock (165596)	Direct
2020-09-01	Class B Common Stock	$	C	56250	Disposed		Class B Common Stock (56250)	Indirect
2020-09-01	Class B Common Stock	$	C	37500	Disposed		Class B Common Stock (37500)	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 $82.76 to $83.75. 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.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $83.87 to $84.86. 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.

F5: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $84.87 to $85.86. 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.

F6: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $85.87 to $86.85. 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 $86.88 to $87.27. 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 $82.78 to $83.70. 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 $83.96 to $84.95. 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 $84.96 to $85.95. 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 $85.96 to $86.84. 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 $86.97 to $87.29. 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 $82.83 to $83.69. 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 $83.89 to $84.88. 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 $84.89 to $85.88. 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 $85.89 to $86.64. 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 $86.91 to $87.27. 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.