MongoDB (MDB) 4: Ittycheria Dev bought 40,817 shares at $0.00 on 2026-10-12 (Oct 14, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-10-12 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: MongoDB, Inc. (MDB) CIK: 0001441816 --- Reporting Owner --- Name: Ittycheria Dev CIK: 0001397383 Role: Director, Officer (Interim President and CEO) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-10-12 | Code: A (Grant or award) Shares: +40,817 | Price: $0.00 Shares Owned After: 196,510 | 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 four equal quarterly installments over one year measured from October 1, 2026, subject to the Reporting Person's continued service with the Issuer. --- 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 four equal quarterly installments over one year measured from October 1, 2026, subject to the Reporting Person's continued service with the Issuer. --- Signature --- /s/ /s/ Andrew Stephens, Attorney-in-Fact (2026-10-14)