Datadog, Inc. — Director's Dealing 2020

Oct 23, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-10-21

Reporting Person: Agarwal Amit (Chief Product Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-10-21	Common A Common Stock	C	151617	$0.00	Acquired	285879	Direct
2020-10-21	Common A Common Stock	C	10000	$0.00	Acquired	10000	Indirect
2020-10-21	Common A Common Stock	C	212267	$0.00	Acquired	212267	Indirect
2020-10-21	Common A Common Stock	C	151797	$0.00	Acquired	151797	Indirect
2020-10-21	Common A Common Stock	S	2300	$101.3883	Disposed	283579	Direct
2020-10-21	Common A Common Stock	S	39535	$102.3845	Disposed	244044	Direct
2020-10-21	Common A Common Stock	S	65501	$103.3305	Disposed	178543	Direct
2020-10-21	Common A Common Stock	S	7217	$104.0662	Disposed	171326	Direct
2020-10-21	Common A Common Stock	S	12028	$105.4025	Disposed	159298	Direct
2020-10-21	Common A Common Stock	S	6703	$106.7919	Disposed	152595	Direct
2020-10-21	Common A Common Stock	S	6251	$107.7738	Disposed	146344	Direct
2020-10-21	Common A Common Stock	S	10082	$108.5857	Disposed	136262	Direct
2020-10-21	Common A Common Stock	S	2000	$109.6085	Disposed	134262	Direct
2020-10-21	Common A Common Stock	S	100	$100.76	Disposed	9900	Indirect
2020-10-21	Common A Common Stock	S	1756	$102.3379	Disposed	8144	Indirect
2020-10-21	Common A Common Stock	S	3550	$103.3265	Disposed	4594	Indirect
2020-10-21	Common A Common Stock	S	450	$104.0167	Disposed	4144	Indirect
2020-10-21	Common A Common Stock	S	500	$105.445	Disposed	3644	Indirect
2020-10-21	Common A Common Stock	S	900	$107.2029	Disposed	2744	Indirect
2020-10-21	Common A Common Stock	S	1900	$108.2973	Disposed	844	Indirect
2020-10-21	Common A Common Stock	S	744	$109.2498	Disposed	100	Indirect
2020-10-21	Common A Common Stock	S	100	$110.11	Disposed	0	Indirect
2020-10-21	Common A Common Stock	S	4000	$101.505	Disposed	208267	Indirect
2020-10-21	Common A Common Stock	S	57038	$102.4162	Disposed	151229	Indirect
2020-10-21	Common A Common Stock	S	101230	$103.3601	Disposed	49999	Indirect
2020-10-21	Common A Common Stock	S	12420	$104.1233	Disposed	37579	Indirect
2020-10-21	Common A Common Stock	S	12539	$105.4144	Disposed	25040	Indirect
2020-10-21	Common A Common Stock	S	6262	$106.7728	Disposed	18778	Indirect
2020-10-21	Common A Common Stock	S	6008	$107.6839	Disposed	12770	Indirect
2020-10-21	Common A Common Stock	S	10520	$108.5216	Disposed	2250	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-10-21	Class B Common Stock	$	C	151617	Disposed		Class A Common Stock (151617)	Direct
2020-10-21	Class B Common Stock	$	C	10000	Disposed		Class A Common Stock (10000)	Indirect
2020-10-21	Class B Common Stock	$	C	212267	Disposed		Class A Common Stock (212267)	Indirect
2020-10-21	Class B Common Stock	$	C	151797	Disposed		Class A Common Stock (151797)	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 are held by Reporting Person's spouse.

F3: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

F4: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

F5: Shares sold pursuant to a 10b5-1 plan entered into on December 13, 2019.

F6: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $100.83 to $101.79. 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.

F7: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.84 to $102.83. 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 $102.84 to $103.83. 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 $103.84 to $104.5975. 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 $105.11 to $105.95. 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 $106.18 to $107.14. 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 $107.18 to $108.17. 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.

F13: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $108.18 to $109.13. 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 $109.19 to $110.05. 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.

F15: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.785 to $102.78. 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.

F16: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $102.81 to $103.80. 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.

F17: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $103.81 to $104.525. 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 $105.20 to $105.73. 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.

F19: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $106.82 to $107.79. 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 $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.

F21: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $108.88 to $109.77. 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.

F22: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $100.87 to $101.86. 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.

F23: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $101.87 to $102.86. 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.

F24: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $102.87 to $103.86. 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.

F25: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $103.87 to $104.74. 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.

F26: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $105.09 to $105.97. 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.

F27: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $106.14 to $107.11. 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.

F28: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $107.14 to $108.13. 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.

F29: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $108.14 to $109.13. 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.