Datadog, Inc. — Director's Dealing 2020

Jul 23, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-07-21

Reporting Person: Agarwal Amit (Chief Product Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-07-21	Common A Common Stock	C	3509	$0.00	Acquired	137771	Direct
2020-07-21	Common A Common Stock	S	400	$90.125	Disposed	137371	Direct
2020-07-21	Common A Common Stock	S	2009	$91.1472	Disposed	135362	Direct
2020-07-21	Common A Common Stock	S	1100	$92.0591	Disposed	134262	Direct
2020-07-21	Common A Common Stock	C	1009	$0.00	Acquired	1009	Indirect
2020-07-21	Common A Common Stock	S	140	$90.0914	Disposed	869	Indirect
2020-07-21	Common A Common Stock	S	499	$91.0237	Disposed	370	Indirect
2020-07-21	Common A Common Stock	S	350	$91.8437	Disposed	20	Indirect
2020-07-21	Common A Common Stock	S	20	$92.98	Disposed	0	Indirect
2020-07-21	Common A Common Stock	C	1500	$0.00	Acquired	1500	Indirect
2020-07-21	Common A Common Stock	S	280	$90.215	Disposed	1220	Indirect
2020-07-21	Common A Common Stock	S	820	$91.1766	Disposed	400	Indirect
2020-07-21	Common A Common Stock	S	380	$92.01	Disposed	20	Indirect
2020-07-21	Common A Common Stock	S	20	$92.98	Disposed	0	Indirect
2020-07-21	Common A Common Stock	C	12500	$0.00	Acquired	12500	Indirect
2020-07-21	Common A Common Stock	S	1100	$90.1891	Disposed	11400	Indirect
2020-07-21	Common A Common Stock	S	7298	$91.0368	Disposed	4102	Indirect
2020-07-21	Common A Common Stock	S	4102	$91.9315	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-07-21	Class B Common Stock	$	C	3509	Disposed		Class A Common Stock (3509)	Direct
2020-07-21	Class B Common Stock	$	C	1009	Disposed		Class A Common Stock (1009)	Indirect
2020-07-21	Class B Common Stock	$	C	1500	Disposed		Class A Common Stock (1500)	Indirect
2020-07-21	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 $89.66 to $90.64. 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 $90.74 to $91.70. 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 $91.80 to $92.37. 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 $89.42 to $90.40. 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 $90.44 to $91.43. 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 $91.44 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.

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 $89.66 to $90.60. 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 $90.75 to $91.69. 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 $91.75 to $92.38. 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 $89.51 to $90.49. 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 $90.51 to $91.50. 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 $91.51 to $92.44. 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.