Datadog, Inc. — Director's Dealing 2020

Mar 10, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Datadog, Inc. (DDOG)
CIK: 0001561550
Period of Report: 2020-03-06

Reporting Person: CONTOUR VENTURE PARTNERS LP (10% Owner)
Reporting Person: Contour Opportunity Fund, L.P. (10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-03-06	Class A Common Stock	J	4240627	—	Acquired	4240627	Direct
2020-03-06	Class A Common Stock	J	4240627	—	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-03-09	Class B Common Stock	$	J	4240627	Disposed		Class A Common Stock (4240627)	Direct

Footnotes

F1: Following the lock-up expiration on March 6, 2020, the Reporting Persons' Class B Common Stock, which was previously subject to a lock-up restriction, was released from such restriction and converted to Class A Common Stock (the "Converted Shares"), with 3,148,623 of the Converted Shares owned by Contour Venture Partners, L.P. and 1,365,005 of the Converted Shares owned by Contour Opportunity Fund, L.P.

F2: Contour Venture Partners, L.P. distributed 3,148,623 of the Converted Shares in a pro rata distribution to its limited partners and Contour Opportunity Fund, L.P. distributed 1,092,004 of the Converted Shares in a pro rata distribution to its limited partners.

F3: 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 earlier 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, and (ii) the tenth anniversary of the Issuer's initial public offering of its Class A Common Stock.

F4: 273,001 shares are owned by Contour Opportunity Fund, L.P. following the distribution of the Converted Shares.