MongoDB, Inc. — Director's Dealing 2025

Oct 29, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MongoDB, Inc. (MDB)
CIK: 0001441816
Period of Report: 2025-10-27

Reporting Person: MERRIMAN DWIGHT A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-27	Common Stock	S	4000	$345	Disposed	1065316	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	508896	Indirect
Common Stock	83845	Indirect

Footnotes

F1: The transaction was 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.