DDOG Datadog Inc

The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

 Names of Reporting Persons

 Olivier Pomel

 Check the Appropriate Box if a Member of a Group (see instructions)

 (a) ☐  (b) ☐

 SEC USE ONLY

 Citizenship or Place of Organization

 France

Number of

Shares

 Beneficially 

Owned by

Each

Reporting

Person

With:

 Sole Voting Power

 15,387,783 (see Item 4 herein)

 Shared Voting Power

 0

 Sole Dispositive Power

 13,182,134 (see Item 4 herein)

 Shared Dispositive Power

 0 shares (see Item 4 herein)

 Aggregate Amount Beneficially Owned by Each Reporting Person

 15,387,783 (see Item 4 herein)

 Check if the Aggregate Amount in Row (9) Excludes Certain Shares (see instructions)

 ☐

 Percent of Class Represented by Amount in Row 9

 4.7% of Class A Common Stock (4.5% of Common Stock) (See Item 4 herein)

 Type of Reporting Person (see instructions)

 IN

Name of Person Filing:

Olivier Pomel

Address of Principal Business Office or, if none, Residence: The address and principal business office of the Reporting Person is:

c/o Datadog, Inc.

620 8^th Avenue, 45^th Floor

New York, NY 10018

Citizenship:

France

Title of Class of Securities:

Class A Common Stock, $0.00001 par value per share

CUSIP Number:

23804L 103

(a)

☐   Broker or dealer registered under Section 15 of the Act (15 U.S.C. 78o);

(b)

☐   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);

(c)

☐   Insurance company as defined in section 3(a)19) of the Act (15 U.S.C. 78c);

(d)

☐   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);

(e)

☐   An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E);

(f)

☐   An employee benefit plan or endowment fund in accordance with §240.13d-1(b)(1)(ii)(F);

(g)

☐   A parent holding company or control person in accordance with §240.13d-1(b)(1)(ii)(G);

(h)

☐   A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i)

☐   A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j)

☐   A non-U.S. institution in accordance with §240.13d–1(b)(1)(ii)(J);

(k)

☐   Group, in accordance with §240.13d–1(b)(1)(ii)(K).

Ownership

Amount Beneficially Owned:

Percent of Class:

Number of shares as to which the person has:

Sole power to vote or to direct the vote: 15,387,783

Shared power to vote or to direct the vote: 0

Sole power to dispose or to direct the disposition of: 13,182,134

Shared power to dispose or to direct the disposition of: 0

Ownership of 5 Percent or Less of a Class

Ownership of More than 5 Percent on Behalf of Another Person

Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

Identification and Classification of Members of the Group

Notice of Dissolution of a Group

Certification