Datadog, Inc.
620 8th Avenue, 45th Floor
New
York, New York 10018
Supplement to Proxy Statement for
Annual Meeting of Stockholders
to be held on June 5, 2024
This supplement, dated May 7, 2024 (this Supplement), supplements the definitive proxy statement (the
Proxy Statement) of Datadog, Inc. (the Company) filed with the Securities and Exchange Commission (the SEC) on April 19, 2024, relating to the Companys 2024
Annual Meeting of Stockholders to be held at 11:00 a.m. Eastern Time on Wednesday, June 5, 2024 (the Annual Meeting).
As disclosed by the Company on a Current Report on Form 8-K filed with the SEC on May 7, 2024,
Amit Agarwal will be resigning from his position as President of the Company, effective December 31, 2024 (the Effective Date). Following the Effective Date, the Board of Directors of the Company (the
Board) intends to increase the size of the Board from eight to nine and appoint Mr. Agarwal to the Board to fill the resulting vacancy.
Except as supplemented by the information contained herein, this Supplement does not revise or update any of the other information set forth
in the Proxy Statement. This Supplement should be read in conjunction with the Proxy Statement. From and after the date of this Supplement, any references to the Proxy Statement are to the Proxy Statement as supplemented hereby.
This Supplement does not change the proposals to be voted on at the Annual Meeting or the recommendations of the Board with respect to such
proposals, in each case, as described in the Proxy Statement. If you have already submitted your proxy, or voted by telephone or Internet, you do not need to take additional action unless you wish to change your vote. If you wish to change your
vote, the Proxy Statement contains information on how to change your vote. The form of proxy included in the Proxy Statement remains valid, and no new proxy cards are being distributed.