MongoDB, Inc. — Director's Dealing 2020

Feb 4, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MongoDB, Inc. (MDB)
CIK: 0001441816
Period of Report: 2020-02-03

Reporting Person: Horowitz Eliot (Director, Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-02-03	Class A Common Stock	C	16000	—	Acquired	102297	Direct
2020-02-03	Class A Common Stock	S	3144	$157.36	Disposed	99153	Direct
2020-02-03	Class A Common Stock	S	3856	$158.57	Disposed	95297	Direct
2020-02-03	Class A Common Stock	S	2600	$159.35	Disposed	92697	Direct
2020-02-03	Class A Common Stock	S	1300	$160.43	Disposed	91397	Direct
2020-02-03	Class A Common Stock	S	1000	$161.52	Disposed	90397	Direct
2020-02-03	Class A Common Stock	S	4100	$163.39	Disposed	86297	Direct
2020-02-03	Class A Common Stock	C	5000	—	Acquired	5000	Indirect
2020-02-03	Class A Common Stock	S	5000	$163.42	Disposed	0	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-02-03	Class B Common Stock	$	C	16000	Disposed		Class A Common Stock (16000.0)	Direct
2020-02-03	Class B Common Stock	$	C	5000	Disposed		Class A Common Stock (5000.0)	Indirect

Footnotes

F1: 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.

F2: The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

F3: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $157.02 to $158.01, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F4: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $158.02 to $159.01, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F5: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $159.07 to $159.72, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F6: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $160.14 to $160.72, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F7: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $161.20 to $161.93, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F8: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $162.94 to $163.42, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F9: These shares are held by The ERH Family 2012 Trust for the benefit of the reporting person's children. The reporting person disclaims beneficial ownership of these securities, and the filing of this report is not an admission that the reporting person is the beneficial owner of these securities for purposes of Section 16 or for any other purpose.