MongoDB, Inc. — Director's Dealing 2017

Oct 18, 2017

SEC Form 3 — Initial Statement of Beneficial Ownership

Issuer: MongoDB, Inc. (MDB)
CIK: 0001441816
Period of Report: 2017-10-18

Reporting Person: Bull Thomas (Principal Accounting Officer)

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (Right to Buy)	$6.50	2023-09-11	Class B Common Stock (41250)		Direct
Employee Stock Option (Right to Buy)	$6.50	2025-10-07	Class B Common Stock (12500)		Direct
Employee Stock Option (Right to Buy)	$8.40	2027-04-05	Class A Common Stock (12500)		Direct

Footnotes

F1: Immediately exercisable and fully vested.

F2: All shares underlying this option are immediately exercisable, subject to a repurchase right in the Issuer's favor which lapses in accordance with
the option's vesting schedule. 7,291 shares are vested. The remaining shares shall vest in 20 equal monthly installments beginning on November 1, 2017, subject to the Reporting Person providing continuous service to the Issuer on each such date.

F3: All shares underlying this option are immediately exercisable, subject to a repurchase right in the Issuer's favor which lapses in accordance with the option's vesting schedule. 3,125 shares shall vest on April 5, 2018 and the remaining shares shall vest in 36 equal monthly installments thereafter, subject to the Reporting Person providing continuous service to the Issuer on each such date.