Datadog, Inc. — Director's Dealing 2019

Sep 18, 2019

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2019-09-18

Reporting Person: Agarwal Amit (Chief Product Officer)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1848681	Direct
Common Stock	533166	Indirect
Common Stock	1873491	Indirect
Common Stock	1950000	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Stock Option (Right to Buy)	$0.9092	2027-10-25	Common Stock (540000)		Direct
Stock Option (Right to Buy)	$10.74	2029-07-19	Common Stock (900000)		Direct

Footnotes

F1: Each share of Common Stock shall be reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock.

F2: Shares are held by Reporting Person's spouse.

F3: Shares are held directly by Amit Agarwal 2018 GRAT, of which the Reporting Person is Trustee.

F4: Shares are held directly by Amit Agarwal 2019 GRAT, of which the Reporting Person is Trustee.

F5: Option vests as to 25% on March 1, 2018 and in equal monthly installments thereafter over three years.

F6: 15% of Reporting Person's options vest on the earlier of January 1, 2021 and the one-year anniversary of the Issuer's initial public offering (such date, the "Initial Vesting Date"). Thereafter, the remaining 85% of Reporting Person's options vest monthly in equal installments on the same day in each month as the Initial Vesting Date for 35 months.