Dev Ittycheria - Oct 1, 2025 Form 4 Insider Report for MongoDB, Inc. (MDB)

Role: President & CEO, Director
Signature: /s/ Paul Johnston, Attorney-in-Fact
Stock symbol: MDB
Transactions as of: Oct 1, 2025
Transactions value $: -$1,278,145
Form type: 4
Date filed: 10/3/2025, 04:26 PM
Previous filing: Sep 2, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Ittycheria Dev	President & CEO, Director	C/O MONGODB, INC., 1633 BROADWAY, 38TH FLOOR, NEW YORK	/s/ Paul Johnston, Attorney-in-Fact	2025-10-03	0001397383

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MDB	Class A Common Stock	Award	$0	+892	+0.44%	$0.00	204K	Oct 1, 2025	Direct	F1
transaction	MDB	Class A Common Stock	Tax liability	-$1.28M	-4.12K	-2.02%	$310.38	200K	Oct 1, 2025	Direct	F2

* 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 received upon the vesting of a portion of the performance-based restricted stock units ("PSUs") awarded to the Reporting Person on March 15, 2025 under the Issuer's long-term incentive bonus plan and 2016 Equity Incentive Plan, which vested based on the Issuer's satisfaction of certain performance criteria. In light of the performance-based vesting criteria of the PSUs, such shares were not previously reportable under Section 16. Each PSU represents the contingent right to receive one share of common stock of the Issuer.
F2	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 PSUs and certain Restricted Stock Units previously granted to the Reporting Person.

Content

Represents shares of Class A common stock received upon the vesting of a portion of the performance-based restricted stock units ("PSUs") awarded to the Reporting Person on March 15, 2025 under the Issuer's long-term incentive bonus plan and 2016 Equity Incentive Plan, which vested based on the Issuer's satisfaction of certain performance criteria. In light of the performance-based vesting criteria of the PSUs, such shares were not previously reportable under Section 16. Each PSU represents the contingent right to receive one share of common stock of the Issuer.

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 PSUs and certain Restricted Stock Units previously granted to the Reporting Person.