MongoDB, Inc. — Director's Dealing 2025

Sep 2, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MongoDB, Inc. (MDB)
CIK: 0001441816
Period of Report: 2025-08-28

Reporting Person: Ittycheria Dev (Director, President & CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-08-28	Class A Common Stock	S	425	$297.83	Disposed	236132	Direct
2025-08-28	Class A Common Stock	S	200	$298.86	Disposed	235932	Direct
2025-08-28	Class A Common Stock	S	26020	$299.99	Disposed	209912	Direct
2025-08-28	Class A Common Stock	S	721	$301.04	Disposed	209191	Direct
2025-08-28	Class A Common Stock	S	411	$302.30	Disposed	208780	Direct
2025-08-28	Class A Common Stock	S	200	$303.20	Disposed	208580	Direct
2025-08-28	Class A Common Stock	S	300	$304.50	Disposed	208280	Direct
2025-08-28	Class A Common Stock	S	900	$305.91	Disposed	207380	Direct
2025-08-28	Class A Common Stock	S	550	$307.08	Disposed	206830	Direct
2025-08-28	Class A Common Stock	S	2350	$308.35	Disposed	204480	Direct
2025-08-28	Class A Common Stock	S	1043	$309.31	Disposed	203437	Direct
2025-08-28	Class A Common Stock	S	200	$310.17	Disposed	203237	Direct

Footnotes

F1: The transaction was pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $297.24 to $298.13, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F3: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $298.37 to $299.35, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F4: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $299.50 to $300.33, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F5: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $300.75 to $301.50, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F6: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $301.89 to $302.50, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F7: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $303.11 to $303.28, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F8: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $304.37 to $304.77, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F9: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $305.44 to $306.25, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F10: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $306.50 to $307.36, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F11: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $307.87 to $308.80, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F12: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $308.94 to $309.88, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.

F13: The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $309.96 to $310.37, inclusive. The Reporting Person undertakes to provide to the
Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the
ranges set forth in this footnote.