Thomas Bull - 01 Oct 2025 Form 4 Insider Report for MongoDB, Inc. (MDB)

Role: Chief Accounting Officer
Signature: /s/ Paul Johnston, Attorney-in-Fact
Issuer symbol: MDB
Transactions as of: 01 Oct 2025
Net transactions value: -$80,388
Form type: 4
Filing time: 03 Oct 2025, 16:19:42 UTC
Previous filing: 10 Sep 2025
Next filing: 10 Dec 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Bull Thomas	Chief Accounting Officer	C/O MONGODB, INC., 1633 BROADWAY, 38TH FLOOR, NEW YORK	/s/ Paul Johnston, Attorney-in-Fact	03 Oct 2025	0001719887

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MDB	Class A Common Stock	Tax liability	$80,388	-259	-2.2%	$310.38	11,339	01 Oct 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents shares of Class A common stock withheld by the Issuer to satisfy tax withholding obligations for the Reporting Person due upon the vesting of certain Restricted Stock Units previously granted to the Reporting Person.