Datadog, Inc. — Director's Dealing 2020

Oct 21, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-10-20

Reporting Person: Agarwal Amit (Chief Product Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-10-20	Common A Common Stock	C	102302	$0.00	Acquired	236564	Direct
2020-10-20	Common A Common Stock	S	31498	$108.55	Disposed	205066	Direct
2020-10-20	Common A Common Stock	S	32883	$109.3741	Disposed	172183	Direct
2020-10-20	Common A Common Stock	S	34646	$110.2049	Disposed	137537	Direct
2020-10-20	Common A Common Stock	S	2975	$111.2169	Disposed	134562	Direct
2020-10-20	Common A Common Stock	S	300	$112.0367	Disposed	134262	Direct
2020-10-20	Common A Common Stock	C	102462	$0.00	Acquired	102462	Indirect
2020-10-20	Common A Common Stock	S	29746	$108.5161	Disposed	72716	Indirect
2020-10-20	Common A Common Stock	S	32454	$109.3032	Disposed	40262	Indirect
2020-10-20	Common A Common Stock	S	35844	$110.1663	Disposed	4418	Indirect
2020-10-20	Common A Common Stock	S	3817	$111.1282	Disposed	601	Indirect
2020-10-20	Common A Common Stock	S	601	$112.0429	Disposed	0	Indirect
2020-10-20	Common A Common Stock	C	101805	$0.00	Acquired	101805	Indirect
2020-10-20	Common A Common Stock	S	29467	$108.5224	Disposed	72338	Indirect
2020-10-20	Common A Common Stock	S	32581	$109.3183	Disposed	39757	Indirect
2020-10-20	Common A Common Stock	S	35660	$110.1787	Disposed	4097	Indirect
2020-10-20	Common A Common Stock	S	3797	$111.1608	Disposed	300	Indirect
2020-10-20	Common A Common Stock	S	300	$112.0333	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-10-20	Class B Common Stock	$	C	102302	Disposed		Class A Common Stock (102302)	Direct
2020-10-20	Class B Common Stock	$	C	102462	Disposed		Class A Common Stock (102462)	Indirect
2020-10-20	Class B Common Stock	$	C	101805	Disposed		Class A Common Stock (101805)	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Class B Common Stock	$		Class A Common Stock ()	363166	Indirect

Footnotes

F1: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock 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 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 13, 2019.

F3: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $107.87 to $108.865. 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 $108.87 to $109.86. 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 $109.87 to $110.85. 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.

F6: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $110.88 to $111.75. 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.

F7: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $112.03 to $112.05. 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.

F8: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

F9: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $107.80 to $108.795. 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 $108.80 to $109.79. 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 $109.80 to $110.77. 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 $110.80 to $111.79. 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 $111.80 to $112.05. 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.

F14: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

F15: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $107.82 to $108.81. 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: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $108.82 to $109.81. 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 $109.82 to $110.80. 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 $110.82 to $111.66. 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 $112.03 to $112.04. 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.

F20: Shares are held by Reporting Person's spouse.