[Form 4] MongoDB, Inc. Insider Trading Activity

Rhea-AI Filing Summary

MongoDB, Inc. (MDB) director and trust holder reported planned insider sales of company stock. On 11/12/2025, a trust for the benefit of the reporting person’s children sold 4,640 MongoDB common shares at a weighted average price of $372.22, and another 1,360 shares at a weighted average price of $373.28, under a pre-arranged Rule 10b5-1 trading plan. Following these transactions, the trust held 502,896 MongoDB shares indirectly for the family. The reporting person also held 1,065,316 shares directly and was deemed to have voting and investment power over an additional 83,845 shares held by the Dwight A. Merriman Charitable Foundation, though with no pecuniary interest in those foundation shares.

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
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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)
11/12/2025

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	11/12/2025		S(1)		4,640	D	$372.22(2)	504,256	I	By Trust(3)
Common Stock	11/12/2025		S(1)		1,360	D	$373.28(4)	502,896	I	By Trust(3)
Common Stock								1,065,316	D
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 transaction was pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

2. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $372.00 to $372.92, inclusive. The Reporting Person undertakes to provide to the Company, any security holder of the Company 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. These shares are held by The Dwight A. Merriman 2012 Trust for the benefit of the Reporting Person's children.

4. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $373.21 to $373.54, inclusive. The Reporting Person undertakes to provide to the Company, any security holder of the Company 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.

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	11/14/2025
	** 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) disclose in this Form 4?

The filing reports that a director-related trust sold 4,640 MongoDB common shares at a weighted average of $372.22 and 1,360 shares at a weighted average of $373.28 on 11/12/2025.

Were the MongoDB (MDB) insider sales made under a Rule 10b5-1 plan?

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

How many MongoDB (MDB) shares does the reporting person’s trust hold after the sales?

After the reported transactions, The Dwight A. Merriman 2012 Trust, for the benefit of the reporting person’s children, held 502,896 MongoDB common shares indirectly.

What are the reporting person’s direct MongoDB (MDB) holdings?

The filing shows the reporting person directly held 1,065,316 shares of MongoDB common stock.

What is the role of the Dwight A. Merriman Charitable Foundation in MongoDB (MDB) shares?

The Dwight A. Merriman Charitable Foundation held 83,845 MongoDB shares. The reporting person is deemed to have voting and investment power over these shares but has no pecuniary interest in them.

What do the weighted average prices in the MongoDB (MDB) Form 4 mean?

The filing notes that each reported price is a weighted average, with individual trades executed in price ranges of $372.00–$372.92 and $373.21–$373.54, and detailed trade data is available on request.