MongoDB, Inc. (MDB) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-30 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: MongoDB, Inc. (MDB) CIK: 0001441816 --- Reporting Owner --- Name: Killalea Peter Thomas CIK: 0001638728 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-06-30 | Code: A (Grant or award) Shares: +767 | Price: $0.00 Shares Owned After: 63,060 | Ownership: D (Direct) Footnotes: [F1] Represents restricted stock units issued to the Reporting Person pursuant to the annual equity grant under the Issuer's non-employee director compensation policy. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer and has no expiration date. The shares underlying the restricted stock unit award shall vest in full on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's 2027 annual stockholders' meeting, subject to the Reporting Person providing continuous service to the Issuer through such date. --- Footnotes (Complete Index) --- F1: Represents restricted stock units issued to the Reporting Person pursuant to the annual equity grant under the Issuer's non-employee director compensation policy. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer and has no expiration date. The shares underlying the restricted stock unit award shall vest in full on the earlier of (i) the first anniversary of the grant date and (ii) the date of the Issuer's 2027 annual stockholders' meeting, subject to the Reporting Person providing continuous service to the Issuer through such date. --- Signature --- /s/ /s/ Gahee Lee, Attorney in Fact (2026-07-02)