MDB Form 4: Director sale of 4,000 shares at $345 via 10b5-1

Rhea-AI Filing Summary

MongoDB (MDB) reported an insider transaction by a director. On 10/27/2025, the director sold 4,000 shares of Common Stock at $345 per share, coded “S,” pursuant to a Rule 10b5-1 trading plan.

After the sale, beneficial ownership stood at 1,065,316 shares held directly. Indirect holdings included 508,896 shares by The Dwight A. Merriman 2012 Trust and 83,845 shares held by the Dwight A. Merriman Charitable Foundation. The reporting person is deemed to have voting and investment power over the foundation’s shares but has no pecuniary interest in them.

Insider Trade Summary

Net Seller: 4,000 shares ($1,380,000)

Net Sell 3 txns

Insider MERRIMAN DWIGHT A

Role Director

Sold 4,000 shs ($1.38M)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,000	$345.00	$1.38M
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,065,316 shares (Direct); Common Stock — 508,896 shares (Indirect, By Trust)

Footnotes (1)

1. The transaction was pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person. 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.

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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)
10/27/2025

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	10/27/2025		S(1)		4,000	D	$345	1,065,316	D
Common Stock								508,896	I	By Trust(2)
Common Stock								83,845	I	Dwight A. Merriman Charitable Foundation(3)

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

3. 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	10/29/2025
	** 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?

A director sold 4,000 shares of Common Stock at $345 on 10/27/2025, coded “S.”

Was the MDB share sale under a Rule 10b5-1 plan?

Yes. The filing notes the sale was pursuant to a Rule 10b5-1 trading plan.

How many MongoDB shares did the insider hold directly after the sale?

Direct beneficial ownership was 1,065,316 shares following the reported transaction.

What indirect MDB holdings were disclosed?

Indirect holdings included 508,896 shares by The Dwight A. Merriman 2012 Trust and 83,845 shares by the Dwight A. Merriman Charitable Foundation.

What is the insider’s relationship to MongoDB (MDB)?

The reporting person is a Director (not marked as a 10% owner).

Does the reporter have a pecuniary interest in the foundation shares?

No. The reporter is deemed to have voting and investment power but no pecuniary interest in those shares.