MongoDB, Inc.

, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or subject to the liabiliti

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Departure of

. Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year On February 26, 2026, the Board of Directors (the “Board”) of the Company, upon the r

Financial Statements and Exhibits. (d) Exhibits Exhibit No. Description 3.1 Amended and Restated Bylaws 99.1 Press Release, dated March 2 , 20 26. 104 Cover Pag