[Form 4] MongoDB, Inc. Insider Trading Activity

Rhea-AI Filing Summary

MongoDB, Inc. director reports planned stock sales under a Rule 10b5-1 plan. On 11/14/2025, the reporting person sold a total of 10,000 shares of MongoDB common stock in three open-market transactions at weighted average prices around $337–$339 per share. The sales were executed pursuant to a pre-arranged Rule 10b5-1 trading plan. After these transactions, the reporting person directly owns 1,055,316 shares of MongoDB common stock, with additional indirect holdings of 502,896 shares through The Dwight A. Merriman 2012 Trust and 83,845 shares through the Dwight A. Merriman Charitable Foundation.

Insider Trade Summary

Net Seller: 10,000 shares ($3,385,221)

Net Sell 5 txns

Insider MERRIMAN DWIGHT A

Role Director

Sold 10,000 shs ($3.39M)

Type	Security	Shares	Price	Value
Sale	Common Stock	6	$337.00	$2K
Sale	Common Stock	9,674	$338.50	$3.27M
Sale	Common Stock	320	$339.22	$109K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,065,310 shares (Direct); Common Stock — 502,896 shares (Indirect, By Trust)

Footnotes (1)

1. The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $338.00 to $338.98, 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. The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $339.14 to $339.31, 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. These shares are held by The Dwight A. Merriman 2012 Trust for the benefit of the Reporting Person's children. The Dwight A. Merriman Charitable Foundation is a Delaware nonstock nonprofit corporation. The Reporting Person is deemed to have voting and investment power over the shares of MongoDB, Inc. Common Stock held by the Dwight A. Merriman Charitable Foundation, but has no pecuniary interest in these shares.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MERRIMAN DWIGHT A

(Last) (First) (Middle)

C/O MONGODB, INC.

1633 BROADWAY, 38TH FLOOR

(Street)

NEW YORK NY 10019

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
MongoDB, Inc. [ MDB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/14/2025		S(1)		6	D	$337	1,065,310	D
Common Stock	11/14/2025		S(1)		9,674	D	$338.5(2)	1,055,636	D
Common Stock	11/14/2025		S(1)		320	D	$339.22(3)	1,055,316	D
Common Stock								502,896	I	By Trust(4)
Common Stock								83,845	I	Dwight A. Merriman Charitable Foundation(5)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

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

2. The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $338.00 to $338.98, 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.

3. The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $339.14 to $339.31, 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.

4. These shares are held by The Dwight A. Merriman 2012 Trust for the benefit of the Reporting Person's children.

5. The Dwight A. Merriman Charitable Foundation is a Delaware nonstock nonprofit corporation. The Reporting Person is deemed to have voting and investment power over the shares of MongoDB, Inc. Common Stock held by the Dwight A. Merriman Charitable Foundation, but has no pecuniary interest in these shares.

Remarks:

	/s/ Paul Johnston, Attorney-in-Fact	11/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did MongoDB (MDB) report in this Form 4?

The Form 4 reports that a MongoDB, Inc. director sold a total of 10,000 shares of MongoDB common stock on 11/14/2025 in three open-market transactions.

At what prices were the MongoDB (MDB) shares sold by the director?

The sales occurred at weighted average prices of $337, $338.5 (with trades ranging from $338.00 to $338.98), and $339.22 (with trades ranging from $339.14 to $339.31) per share.

Was the MongoDB (MDB) insider sale under a Rule 10b5-1 trading plan?

Yes. The filing states that the transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person, indicating they were pre-arranged.

How many MongoDB (MDB) shares does the reporting person own after the transaction?

Following the reported sales, the reporting person directly owns 1,055,316 MongoDB common shares, plus 502,896 shares held indirectly by The Dwight A. Merriman 2012 Trust and 83,845 shares held by the Dwight A. Merriman Charitable Foundation.

Does the reporting person have a financial interest in MongoDB (MDB) shares held by the Dwight A. Merriman Charitable Foundation?

The filing notes that the Dwight A. Merriman Charitable Foundation is a Delaware nonstock nonprofit corporation and that the reporting person is deemed to have voting and investment power over its MongoDB shares, but has no pecuniary interest in those shares.

What indirect holdings of MongoDB (MDB) stock are reported for the director?

The director reports indirect ownership of 502,896 shares held by The Dwight A. Merriman 2012 Trust for the benefit of the reporting person’s children and 83,845 shares held by the Dwight A. Merriman Charitable Foundation.