Datadog, Inc. — Director's Dealing 2020

May 11, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-05-08

Reporting Person: Le-Quoc Alexis (Director, President & CTO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-08	Class A Common Stock	A	117262	$0.00	Acquired	117262	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.