MongoDB, Inc. — Director's Dealing 2021

May 6, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MongoDB, Inc. (MDB)
CIK: 0001441816
Period of Report: 2021-05-03

Reporting Person: MERRIMAN DWIGHT A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-03	Class A Common Stock	S	1798	$287.82	Disposed	1416670	Direct
2021-05-03	Class A Common Stock	S	1955	$288.84	Disposed	1414715	Direct
2021-05-03	Class A Common Stock	S	1650	$289.90	Disposed	1413065	Direct
2021-05-03	Class A Common Stock	S	2202	$290.88	Disposed	1410863	Direct
2021-05-03	Class A Common Stock	S	1500	$292.03	Disposed	1409363	Direct
2021-05-03	Class A Common Stock	S	681	$292.85	Disposed	1408682	Direct
2021-05-03	Class A Common Stock	S	699	$294.05	Disposed	1407983	Direct
2021-05-03	Class A Common Stock	S	794	$295.06	Disposed	1407189	Direct
2021-05-03	Class A Common Stock	S	21	$295.88	Disposed	1407168	Direct
2021-05-03	Class A Common Stock	S	2700	$298.41	Disposed	1404468	Direct
2021-05-03	Class A Common Stock	S	797	$288.44	Disposed	577099	Indirect
2021-05-03	Class A Common Stock	S	403	$289.21	Disposed	576696	Indirect
2021-05-03	Class A Common Stock	S	439	$290.58	Disposed	576257	Indirect
2021-05-03	Class A Common Stock	S	300	$291.79	Disposed	575957	Indirect
2021-05-03	Class A Common Stock	S	258	$292.53	Disposed	575699	Indirect
2021-05-03	Class A Common Stock	S	200	$295.38	Disposed	575499	Indirect
2021-05-03	Class A Common Stock	S	603	$298.40	Disposed	574896	Indirect

Footnotes

F1: The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F2: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $287.21 to $288.16, 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.

F3: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $288.42 to $289.41, 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 $289.43 to $290.33, 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 $290.44 to $291.40, 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.

F6: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $291.45 to $292.44, 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.

F7: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $292.46 to $293.39, 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 $293.63 to $294.61, 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 $294.75 to $295.27, 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 $297.89 to $298.50, 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 $287.88 to $288.83, 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: These shares are held by The Dwight A. Merriman 2012 Trust for the benefit of the Reporting Person's children.

F13: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $289.00 to $289.73, 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.

F14: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $290.20 to $290.84, 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.

F15: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $291.22 to $292.08, 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.

F16: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $292.50 to $292.61, 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.

F17: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $295.21 to $295.62, 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.

F18: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $297.89 to $298.75, 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.