Datadog, Inc. — Director's Dealing 2021

Dec 16, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2021-12-14

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-12-14	Class A Common Stock	C	145472	$0.00	Acquired	387138	Direct
2021-12-14	Class A Common Stock	S	15379	$154.3669	Disposed	371759	Direct
2021-12-14	Class A Common Stock	S	13995	$155.307	Disposed	357764	Direct
2021-12-14	Class A Common Stock	S	14700	$156.2764	Disposed	343064	Direct
2021-12-14	Class A Common Stock	S	25193	$157.158	Disposed	317871	Direct
2021-12-14	Class A Common Stock	S	17878	$158.2626	Disposed	299993	Direct
2021-12-14	Class A Common Stock	S	12860	$159.2017	Disposed	287133	Direct
2021-12-14	Class A Common Stock	S	11910	$160.5355	Disposed	275223	Direct
2021-12-14	Class A Common Stock	S	20905	$161.1662	Disposed	254318	Direct
2021-12-14	Class A Common Stock	S	9191	$162.4397	Disposed	245127	Direct
2021-12-14	Class A Common Stock	S	3461	$163.1848	Disposed	241666	Direct
2021-12-14	Class A Common Stock	C	60750	$0.00	Acquired	62070	Indirect
2021-12-14	Class A Common Stock	S	8824	$154.2612	Disposed	53246	Indirect
2021-12-14	Class A Common Stock	S	6961	$155.3202	Disposed	46285	Indirect
2021-12-14	Class A Common Stock	S	8261	$156.2265	Disposed	38024	Indirect
2021-12-14	Class A Common Stock	S	5873	$157.2174	Disposed	32151	Indirect
2021-12-14	Class A Common Stock	S	6725	$158.3031	Disposed	25426	Indirect
2021-12-14	Class A Common Stock	S	5394	$159.239	Disposed	20032	Indirect
2021-12-14	Class A Common Stock	S	6975	$160.6955	Disposed	13057	Indirect
2021-12-14	Class A Common Stock	S	6736	$161.3009	Disposed	6321	Indirect
2021-12-14	Class A Common Stock	S	3933	$162.5341	Disposed	2388	Indirect
2021-12-14	Class A Common Stock	S	1068	$163.1982	Disposed	1320	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-12-14	Class B Common Stock	$	C	145472	Disposed		Class A Common Stock (145472)	Direct
2021-12-14	Class B Common Stock	$	C	60750	Disposed		Class A Common Stock (60750)	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 June 14, 2021.

F3: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $153.82 to $154.81. 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.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $154.82 to $155.81. 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.

F5: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $155.82 to $156.80. 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.

F6: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $156.83 to $157.82. 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 $157.83 to $158.81. 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.

F8: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $158.84 to $159.78. 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 $159.87 to $160.86. 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.

F10: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $160.87 to $161.82. 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 $161.88 to $162.85. 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.

F12: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $162.93 to $163.48. 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.

F13: Shares are held by the Olivier Pomel 2018 GRAT.

F14: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $153.75 to $154.73. 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 $154.82 to $155.81. 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 $155.84 to $156.82. 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 $156.85 to $157.76. 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 $157.85 to $158.78. 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 $158.90 to $159.79. 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.

F20: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $159.95 to $160.94. 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 $160.98 to $161.96. 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 $162.03 to $163.00. 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 $163.04 to $163.61. 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.