MongoDB, Inc. — Director's Dealing 2017

Oct 24, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MongoDB, Inc. (MDB)
CIK: 0001441816
Period of Report: 2017-10-23

Reporting Person: FLYBRIDGE CAPITAL PARTNERS III LP (10% Owner)
Reporting Person: Flybridge Capital Partners GP III, LLC (10% Owner)
Reporting Person: Aronoff David B (10% Owner)
Reporting Person: Bussgang Jeffrey J. (10% Owner)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-10-23	Series B Preferred Stock	$	C	5089898	Disposed		Class B Common Stock (3817422)	Direct
2017-10-23	Series C Preferred Stock	$	C	612606	Disposed		Class B Common Stock (459454)	Direct
2017-10-23	Series D Preferred Stock	$	C	605190	Disposed		Class B Common Stock (453892)	Direct
2017-10-23	Series E Preferred Stock	$	C	4762	Disposed		Class B Common Stock (3572)	Direct
2017-10-23	Class B Common Stock	$	C	4734340	Acquired		Class A Common Stock (4734340)	Direct

Footnotes

F1: Each share of Series B Preferred Stock, Series C Preferred Stock, Series D Preferred Stock and Series E Preferred Stock automatically converted into approximately 0.75 shares of Class B Common Stock immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F2: 3,808,261 of these shares are owned by Flybridge Capital Partners III, L.P. ("Flybridge Capital") and 9,161 of these shares are owned by Flybridge Network Fund III, L.P. ("Flybridge Network").

F3: These shares are owned directly by each of Flybridge Capital and Flybridge Network. Flybridge Capital Partners GP III, LLC ("Flybridge LLC") is the general partner of Flybridge Capital and Flybridge Network. The managing members of Flybridge LLC are Charles M. Hazard, Jr., David B. Aronoff and Jeffrey J. Bussgang and they share voting and dispositive power over the shares held by Flybridge Capital and Flybridge Network. Mr. Hazard is also a director of the Issuer.

F4: 458,570 of these shares are owned by Flybridge Capital and 884 of these shares are owned by Flybridge Network.

F5: 452,986 of these shares are owned by Flybridge Capital and 906 of these shares are owned by Flybridge Network.

F6: 3,563 of these shares are owned by Flybridge Capital and 9 of these shares are owned by Flybridge Network.

F7: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. The Class B Common Stock will convert automatically into Class A Common Stock on the same basis upon the earlier of: (i) any transfer, whether or not for value, except for certain "Permitted Transfers" as defined in the Issuer's restated certificate of incorporation, and (ii) at such time as the outstanding shares of Class B common stock represent less than 10% of the aggregate number of shares of the Issuer's capital stock outstanding.

F8: 4,723,379 of these shares are owned by Flybridge Capital and 10,961 of these shares are owned by Flybridge Network.