MongoDB, Inc. — Director's Dealing 2026

Feb 6, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MongoDB, Inc. (MDB)
CIK: 0001441816
Period of Report: 2025-11-25

Reporting Person: Killalea Peter Thomas (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-11-25	Common Stock	M	30000	$6.50	Acquired	62293	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-11-25	Stock Option (Right to Buy)	$6.50	M	30000	Disposed	2025-12-03	Common Stock (30000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	5000	Indirect
Common Stock	5000	Indirect
Common Stock	5000	Indirect
Common Stock	5000	Indirect

Footnotes

F1: These shares are held by the UAISLE Trust U/A DTD 11/15/2021 for the benefit of the Reporting Person's children.

F2: These shares are held by the CEANSA Trust U/A DTD 11/15/2021 for the benefit of the Reporting Person's children.

F3: These shares are held by the BREOGA Trust U/A DTD 11/15/2021 for the benefit of the Reporting Person's children.

F4: These shares are held by AOGALL Trust U/A DTD 11/15/2021 for the benefit of the Reporting Person's children.

F5: Immediately exercisable and fully vested.