Datadog, Inc. — Director's Dealing 2020

Jun 25, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-06-23

Reporting Person: Agarwal Amit (Chief Product Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-06-15	Common A Common Stock	G	8000	$0.00	Disposed	134262	Direct
2020-06-23	Common A Common Stock	C	24499	$0.00	Acquired	158761	Direct
2020-06-23	Common A Common Stock	S	3400	$88.6379	Disposed	155361	Direct
2020-06-23	Common A Common Stock	S	3638	$89.6962	Disposed	151723	Direct
2020-06-23	Common A Common Stock	S	3905	$90.7933	Disposed	147818	Direct
2020-06-23	Common A Common Stock	S	9651	$91.7654	Disposed	138167	Direct
2020-06-23	Common A Common Stock	S	3905	$92.5231	Disposed	134262	Direct
2020-06-23	Common A Common Stock	C	6999	$0.00	Acquired	6999	Indirect
2020-06-23	Common A Common Stock	S	929	$88.4783	Disposed	6070	Indirect
2020-06-23	Common A Common Stock	S	1122	$89.7235	Disposed	4948	Indirect
2020-06-23	Common A Common Stock	S	1734	$90.9343	Disposed	3214	Indirect
2020-06-23	Common A Common Stock	S	2814	$91.9409	Disposed	400	Indirect
2020-06-23	Common A Common Stock	S	400	$92.64	Disposed	0	Indirect
2020-06-23	Common A Common Stock	C	10500	$0.00	Acquired	10500	Indirect
2020-06-23	Common A Common Stock	S	1400	$88.4979	Disposed	9100	Indirect
2020-06-23	Common A Common Stock	S	1472	$89.6231	Disposed	7628	Indirect
2020-06-23	Common A Common Stock	S	2500	$90.8972	Disposed	5128	Indirect
2020-06-23	Common A Common Stock	S	3495	$91.8248	Disposed	1633	Indirect
2020-06-23	Common A Common Stock	S	1633	$92.528	Disposed	0	Indirect
2020-06-23	Common A Common Stock	C	156500	$0.00	Acquired	156500	Indirect
2020-06-23	Common A Common Stock	S	17245	$88.5628	Disposed	139255	Indirect
2020-06-23	Common A Common Stock	S	22728	$89.5583	Disposed	116527	Indirect
2020-06-23	Common A Common Stock	S	19719	$90.5809	Disposed	96808	Indirect
2020-06-23	Common A Common Stock	S	49574	$91.532	Disposed	47234	Indirect
2020-06-23	Common A Common Stock	S	47134	$92.3229	Disposed	100	Indirect
2020-06-23	Common A Common Stock	S	100	$92.98	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-06-23	Class B Common Stock	$	C	24499	Disposed		Class A Common Stock (24499)	Direct
2020-06-23	Class B Common Stock	$	C	6999	Disposed		Class A Common Stock (6999)	Indirect
2020-06-23	Class B Common Stock	$	C	10500	Disposed		Class A Common Stock (10500)	Indirect
2020-06-23	Class B Common Stock	$	C	156500	Disposed		Class A Common Stock (156500)	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 $88.09 to $89.03. 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 $89.21 to $90.17. 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.

F5: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.23 to $91.20. 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 $91.24 to $92.23. 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 $92.26 to $92.99. 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.

F8: Shares are held by Reporting Person's spouse.

F9: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $88.01 to $88.89. 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 $89.31 to $90.27. 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.

F11: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.33 to $91.32. 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 $91.47 to $92.35. 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 $92.48 to $92.92. 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 2019 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 $88.02 to $88.93. 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 $89.22 to $89.99. 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.

F17: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.33 to $91.32. 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 $91.33 to $92.29. 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.

F19: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $92.36 to $92.81. 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.

F20: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

F21: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $87.94 to $88.93. 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 $88.94 to $89.93. 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 $89.94 to $90.9322. 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 $90.94 to $91.93. 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 $91.94 to $92.92. 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.