MongoDB, Inc. — Director's Dealing 2021

Oct 5, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MongoDB, Inc. (MDB)
CIK: 0001441816
Period of Report: 2021-10-01

Reporting Person: Porter Mark (Chief Technology Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-10-01	Class A Common Stock	A	331	—	Acquired	32666	Direct
2021-10-04	Class A Common Stock	S	200	$436.95	Disposed	32466	Direct
2021-10-04	Class A Common Stock	S	400	$438.18	Disposed	32066	Direct
2021-10-04	Class A Common Stock	S	101	$439.29	Disposed	31965	Direct
2021-10-04	Class A Common Stock	S	300	$441.02	Disposed	31665	Direct
2021-10-04	Class A Common Stock	S	300	$442.33	Disposed	31365	Direct
2021-10-04	Class A Common Stock	S	411	$443.96	Disposed	30954	Direct
2021-10-04	Class A Common Stock	S	300	$444.74	Disposed	30654	Direct
2021-10-04	Class A Common Stock	S	300	$447.19	Disposed	30354	Direct
2021-10-04	Class A Common Stock	S	8	$448.88	Disposed	30346	Direct
2021-10-04	Class A Common Stock	S	100	$450.05	Disposed	30246	Direct
2021-10-04	Class A Common Stock	S	100	$451.61	Disposed	30146	Direct
2021-10-04	Class A Common Stock	S	100	$461.99	Disposed	30046	Direct
2021-10-04	Class A Common Stock	S	3	$459.02	Disposed	30043	Direct
2021-10-04	Class A Common Stock	S	131	$460.66	Disposed	29912	Direct

Footnotes

F1: Represents shares of Class A common stock received upon the vesting of a portion of the performance-based restricted stock units ("RSUs") awarded to the Reporting Person on April 7, 2021 under the Issuer's annual 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 RSUs, such shares were not previously reportable under Section 16. The remainder of the shares underlying the RSUs will be eligible for vesting on April 1, 2022. Each RSU represents the contingent right to receive one share of common stock of the Issuer.

F2: Includes 85 shares purchased under the Issuer's Employee Stock Purchase Plan on June 15, 2021. Such shares were not previously reportable under Section 16.

F3: The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person

F4: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $436.57 to $437.33, 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 $437.92 to $438.37, 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 $439.13 to $439.29, 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 $440.71 to $441.44, 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 $441.80 to $442.63, 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: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $443.41 to $444.40, 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.

F10: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $444.66 to $444.87, 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.

F11: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $446.80 to $447.55, 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.

F12: Represents the sale of shares of Class A common stock to satisfy the Reporting Person's tax withholding obligations in connection with the performance-based vesting and settlement of the above-listed RSUs.