Datadog, Inc. — Director's Dealing 2020

Jul 9, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-07-07

Reporting Person: Agarwal Amit (Chief Product Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-07-07	Common A Common Stock	C	24499	$0.00	Acquired	158761	Direct
2020-07-07	Common A Common Stock	S	2519	$89.5053	Disposed	156242	Direct
2020-07-07	Common A Common Stock	S	18612	$90.5648	Disposed	137630	Direct
2020-07-07	Common A Common Stock	S	3268	$91.6105	Disposed	134362	Direct
2020-07-07	Common A Common Stock	S	100	$92.13	Disposed	134262	Direct
2020-07-07	Common A Common Stock	C	6999	$0.00	Acquired	6999	Indirect
2020-07-07	Common A Common Stock	S	800	$89.5738	Disposed	6199	Indirect
2020-07-07	Common A Common Stock	S	5117	$90.5649	Disposed	1082	Indirect
2020-07-07	Common A Common Stock	S	1082	$91.6357	Disposed	0	Indirect
2020-07-07	Common A Common Stock	C	10500	$0.00	Acquired	10500	Indirect
2020-07-07	Common A Common Stock	S	1690	$89.785	Disposed	8810	Indirect
2020-07-07	Common A Common Stock	S	7410	$90.6094	Disposed	1400	Indirect
2020-07-07	Common A Common Stock	S	1400	$91.7243	Disposed	0	Indirect
2020-07-07	Common A Common Stock	C	12500	$0.00	Acquired	12500	Indirect
2020-07-07	Common A Common Stock	S	1100	$89.5445	Disposed	11400	Indirect
2020-07-07	Common A Common Stock	S	9655	$90.5723	Disposed	1745	Indirect
2020-07-07	Common A Common Stock	S	1745	$91.6304	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-07-07	Class B Common Stock	$	C	24499	Disposed		Class A Common Stock (24499)	Direct
2020-07-07	Class B Common Stock	$	C	6999	Disposed		Class A Common Stock (6999)	Indirect
2020-07-07	Class B Common Stock	$	C	10500	Disposed		Class A Common Stock (10500)	Indirect
2020-07-07	Class B Common Stock	$	C	12500	Disposed		Class A Common Stock (12500)	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 $89.05 to $90.00. 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.

F4: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.12 to $91.09. 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 $91.12 to $92.06. 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: Shares are held by Reporting Person's spouse.

F7: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $89.05 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.

F8: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.15 to $91.00. 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.

F9: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $91.16 to $92.09. 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: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

F11: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $89.18 to $90.16. 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 $90.19 to $91.18. 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 $91.22 to $92.13. 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: 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 $89.14 to $90.00. 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.

F16: Price reported is a weighted-average sales price. The shares were sold at prices ranging from $90.14 to $91.12. 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 $91.18 to $92.06. 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.