MongoDB (MDB) director Merriman sells 12,000 shares under 10b5-1 plan

Rhea-AI Filing Summary

MongoDB director Dwight A. Merriman reported open-market sales totaling 12,000 shares of MongoDB, Inc. common stock. The sales occurred on March 13 and March 16, 2026, at prices ranging from about $258 to $263 per share.

On March 13, Merriman sold shares held directly, leaving 1,013,316 directly owned shares after the final transaction that day. On March 16, additional sales came from shares held indirectly by The Dwight A. Merriman 2012 Trust, which held 480,896 shares after the last reported sale.

The filing also lists 79,262 shares held indirectly through the Dwight A. Merriman Charitable Foundation, where Merriman is deemed to have voting and investment power but no pecuniary interest. All reported sales were made under a Rule 10b5-1 trading plan, indicating they were pre-arranged rather than discretionary market timing.

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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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)
03/13/2026

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	03/13/2026		S(1)		1,768	D	$258.45(2)	1,019,548	D
Common Stock	03/13/2026		S(1)		1,665	D	$259.99(3)	1,017,883	D
Common Stock	03/13/2026		S(1)		3,967	D	$260.34(4)	1,013,916	D
Common Stock	03/13/2026		S(1)		600	D	$261.73	1,013,316	D
Common Stock	03/16/2026		S(1)		3,690	D	$260.89	481,206	I	By Trust(5)
Common Stock	03/16/2026		S(1)		40	D	$261.95	481,166	I	By Trust(5)
Common Stock	03/16/2026		S(1)		270	D	$262.99(6)	480,896	I	By Trust(5)
Common Stock								79,262	I	Dwight A. Merriman Charitable Foundation(7)

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 price. The shares were sold in multiple transactions at prices ranging from $258.09 to $258.91, 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. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $259.15 to $260.12, 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.

4. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $260.29 to $261.23, 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. These shares are held by The Dwight A. Merriman 2012 Trust for the benefit of the Reporting Person's children.

6. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $262.97 to $263.84, 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.

7. 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	03/17/2026
	** 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

How many MongoDB (MDB) shares did Dwight A. Merriman sell in this Form 4?

Dwight A. Merriman reported selling 12,000 shares of MongoDB common stock. The sales were executed in multiple open-market transactions on March 13 and March 16, 2026, with individual trade prices generally between $258 and $263 per share.

At what prices did Dwight A. Merriman sell MongoDB (MDB) shares?

The reported sales occurred at weighted-average prices between about $258.09 and $263.84 per share. Footnotes explain that each price is a weighted average of multiple trades within the specified ranges, and detailed trade breakdowns are available upon request from relevant parties.

Were Dwight A. Merriman’s MongoDB (MDB) share sales under a Rule 10b5-1 plan?

Yes. A footnote states the transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. Such pre-arranged plans automate trading according to preset instructions, reducing the significance of short-term market timing decisions.

How many MongoDB (MDB) shares does Dwight A. Merriman hold directly after these transactions?

After the final March 13, 2026 direct sale, Merriman’s direct ownership is reported as 1,013,316 MongoDB common shares. This figure reflects his remaining directly held position following all same-day open-market sales described in the Form 4 filing.

What MongoDB (MDB) shares are held indirectly for Dwight A. Merriman?

The filing shows 480,896 shares held indirectly by The Dwight A. Merriman 2012 Trust after the last March 16 sale. It also lists 79,262 shares held by the Dwight A. Merriman Charitable Foundation, where he has voting and investment power but no pecuniary interest.

Does Dwight A. Merriman have any MongoDB (MDB) derivative positions in this filing?

No derivative securities are reported in this Form 4. The derivativeSummary is empty, and all transactions involve non-derivative MongoDB common stock, reflecting straightforward open-market sales and updated share holdings across direct and indirect accounts.