MongoDB (MDB) 4: MERRIMAN DWIGHT A sold 2,000 shares of Common Stock at $290… (May 11, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-07 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: MongoDB, Inc. (MDB) CIK: 0001441816 --- Reporting Owner --- Name: MERRIMAN DWIGHT A CIK: 0001237858 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-07 | Code: S (Open market sale) Shares: -2,000 | Price: $290.06 Total Value: $580,120.00 Shares Owned After: 1,003,316 | Ownership: D (Direct) Footnotes: [F1] The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F2] These shares are held by The Dwight A. Merriman 2012 Trust for the benefit of the Reporting Person's children. [Holding #2] Security: Common Stock Ownership: I (Indirect) Footnotes: [F3] The Dwight A. Merriman Charitable Foundation is a Delaware nonstock nonprofit corporation. The Reporting Person is deemed to have voting and investment power over the shares of MongoDB, Inc. Common Stock held by the Dwight A. Merriman Charitable Foundation, but has no pecuniary interest in these shares. --- Footnotes (Complete Index) --- F1: The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. F2: These shares are held by The Dwight A. Merriman 2012 Trust for the benefit of the Reporting Person's children. F3: The Dwight A. Merriman Charitable Foundation is a Delaware nonstock nonprofit corporation. The Reporting Person is deemed to have voting and investment power over the shares of MongoDB, Inc. Common Stock held by the Dwight A. Merriman Charitable Foundation, but has no pecuniary interest in these shares. --- Signature --- /s/ /s/ Paul Johnston, Attorney-in-Fact (2026-05-11)