Datadog, Inc. — Director's Dealing 2021

Mar 4, 2021

SEC Form 4/A — Form 4/A

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2021-01-25

Reporting Person: OBSTLER DAVID M (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-12-15	Class A Common Stock	C	40000	$0.00	Acquired	158335	Direct
2020-12-15	Class A Common Stock	G	40000	$0.00	Disposed	118335	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-12-15	Class B Common Stock	$	C	40000	Disposed		Class A Common Stock (40000)	Direct

Footnotes

F1: Represents the number of shares of Class A Common Stock underlying restricted stock units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A Common Stock. The shares underlying the RSUs vest as follows: 10% of the shares underlying the RSUs vest in four equal quarterly installments beginning on June 1, 2021 and on each September 1, December 1 and March 1 thereafter; 40% of the shares underlying the RSUs vest in four equal quarterly installments beginning on June 1, 2022 and on each September 1, December 1 and March 1 thereafter; and 50% of the shares underlying the RSUs vest in four equal quarterly installments beginning on June 1, 2023 and on each September 1, December 1 and March 1 thereafter, in each case, subject to the Reporting Person remaining in Continuous Service (as defined in the Issuer's 2019 Equity Incentive Plan) of the Issuer as of each such date.