MongoDB (MDB) 4: BERRY MICHAEL J bought 17,002 shares of Common Stock at $N/… (Mar 19, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-17 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: MongoDB, Inc. (MDB) CIK: 0001441816 --- Reporting Owner --- Name: BERRY MICHAEL J CIK: 0001269088 Role: Officer (Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-03-17 | Code: A (Grant or award) Shares: +17,002 | Price: $0.00 Shares Owned After: 84,788 | Ownership: D (Direct) Footnotes: [F1] This security represents restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. This RSU award vests in equal quarterly installments over four years measured from April 1, 2026, subject to the Reporting Person's continued service with the Issuer. [F2] Includes 50 shares purchased under the Issuer's Employee Stock Purchase Plan on December 15, 2025. Such shares were not previously reportable under Section 16. This number excludes 11,500 shares previously reported as owned directly by the Reporting Person that are instead held by The Berry Family Trust. --- Holdings --- [Holding #1] Security: Common Stock Ownership: I (Indirect) Footnotes: [F3] These shares are held by The Berry Family Trust, a revocable trust of which the Reporting Person is a trustee. --- Footnotes (Complete Index) --- F1: This security represents restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Common Stock of the Issuer. This RSU award vests in equal quarterly installments over four years measured from April 1, 2026, subject to the Reporting Person's continued service with the Issuer. F2: Includes 50 shares purchased under the Issuer's Employee Stock Purchase Plan on December 15, 2025. Such shares were not previously reportable under Section 16. This number excludes 11,500 shares previously reported as owned directly by the Reporting Person that are instead held by The Berry Family Trust. F3: These shares are held by The Berry Family Trust, a revocable trust of which the Reporting Person is a trustee. --- Signature --- /s/ /s/ Gahee Lee, Attorney in Fact (2026-03-19)