SEC Form 4 · accession 0001628280-26-048478

MongoDB, Inc. · MDB

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Dwight A Merriman

Director

Period of report

Jul 14, 2026

Accepted (ET)

Jul 16, 2026 · 4:39 pm EDT

Rule 10b5-1 plan

yes — trade under a plan

Issuer CIK

0001441816

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F2	Jul 14, 2026	S	2,480	$316.52	D	980,473	D
Common Stock	Jul 14, 2026	S	120	$317.82	D	980,353	D
Common Stock^F3	Jul 14, 2026	S	2,480	$319.73	D	977,873	D
Common Stock^F4	Jul 14, 2026	S	680	$320.65	D	977,193	D
Common Stock^F5	Jul 14, 2026	S	2,120	$321.78	D	975,073	D
Common Stock	Jul 14, 2026	S	120	$323.03	D	974,953	D
Common Stock	Jul 14, 2026	S	2,000	$324.05	D	972,953	D
Common Stock^F6,F7	Jul 16, 2026	S	835	$324.12	D	464,061	I	By Trust
Common Stock^F8,F7	Jul 16, 2026	S	867	$325.48	D	463,194	I	By Trust
Common Stock^F9,F7	Jul 16, 2026	S	1,363	$327.70	D	461,831	I	By Trust
Common Stock^F10,F7	Jul 16, 2026	S	81	$328.30	D	461,750	I	By Trust
Common Stock^F7	Jul 16, 2026	S	80	$329.54	D	461,670	I	By Trust
Common Stock^F11,F7	Jul 16, 2026	S	2,774	$333.42	D	458,896	I	By Trust
Common Stock^F12	holding	—	—		—	79,262	I	Dwight A. Merriman Charitable Foundation

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
F10The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $328.30 to $328.84, 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.
F11The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $333.20 to $334.00, 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.
F12The 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.
F2The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $316.28 to $316.90, 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.
F3The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $319.10 to $320.08, 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.
F4The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $320.17 to $320.97, 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.
F5The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $321.70 to $322.50, 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.
F6The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $323.95 to $324.87, 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.
F7These shares are held by The Dwight A. Merriman 2012 Trust for the benefit of the Reporting Person's children.
F8The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $324.95 to $325.57, 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.
F9The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $327.28 to $328.23, 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.