Director Dwight Merriman trades MongoDB (MDB) shares under 10b5-1 plan

Rhea-AI Filing Summary

MongoDB, Inc. director Dwight A. Merriman reported multiple open-market sales of MongoDB common stock. The transactions, dated February 12–17, 2026, were executed under a pre-arranged Rule 10b5-1 trading plan adopted by the reporting person.

Sales included 5,000 directly held shares on February 13, 2026 at $353.35 per share, and 1,200 shares at $364.00 per share on February 17, 2026 held through the Dwight A. Merriman Charitable Foundation, over which he is deemed to have voting and investment power but no pecuniary interest. Additional sales involved shares held in The Dwight A. Merriman 2012 Trust for the benefit of his children.

Insights

Equity ownership & governance analyst

Director Merriman discloses Rule 10b5-1 stock sales and updated holdings.

The filing shows Dwight A. Merriman, a director of MongoDB, Inc., conducting several open-market sales of common stock between February 12–17, 2026. All transactions are coded "S" for sales and are stated to be made under a pre-established Rule 10b5-1 trading plan, indicating they were scheduled in advance.

Some shares sold were held directly, while others were held indirectly through The Dwight A. Merriman 2012 Trust and the Dwight A. Merriman Charitable Foundation. The footnotes clarify that the foundation is a Delaware nonstock nonprofit and that the reporting person has voting and investment power but no pecuniary interest in those foundation-held shares.

From a governance perspective, this is a routine insider trading report rather than a corporate event. Prices are disclosed as weighted averages, with ranges provided in the footnotes for transparency. The filing primarily updates the market on Merriman’s direct and indirect ownership levels; actual impact on MongoDB’s business or strategy is not indicated in this disclosure.

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)
02/12/2026

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	02/12/2026		S(1)		4,168	D	$364.64(2)	486,728	I	By Trust(3)
Common Stock	02/12/2026		S(1)		195	D	$365.94(4)	486,533	I	By Trust(3)
Common Stock	02/12/2026		S(1)		1,000	D	$367.08(5)	485,533	I	By Trust(3)
Common Stock	02/12/2026		S(1)		637	D	$368	484,896	I	By Trust(3)
Common Stock	02/13/2026		S(1)		5,000	D	$353.35	1,026,316	D
Common Stock	02/13/2026		S(1)		768	D	$355.36(6)	1,025,548	D
Common Stock	02/13/2026		S(1)		2,142	D	$356.58(7)	1,023,406	D
Common Stock	02/13/2026		S(1)		2,090	D	$358.06(8)	1,021,316	D
Common Stock	02/17/2026		S(1)		1,200	D	$364	79,262	I	Dwight A. Merriman Charitable Foundation(9)

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 $364.50 to $365.01, 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 $365.77 to $366.00, 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 price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $367.00 to $367.16, 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.

6. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $355.11 to $356.00, 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 price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $356.21 to $357.14, 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.

8. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $357.88 to $358.31, 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.

9. 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/ Gahee Lee, Attorney-in-Fact	02/17/2026
	** 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

What insider transaction did MongoDB (MDB) report for Dwight A. Merriman?

MongoDB director Dwight A. Merriman reported several open-market sales of common stock between February 12 and 17, 2026. The trades updated his direct and indirect ownership positions but did not describe any change to MongoDB’s operations, strategy, or overall capital structure.

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

Yes. The filing states that the transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. Such plans allow insiders to schedule trades in advance, helping separate personal portfolio decisions from day-to-day company developments.

How many MongoDB (MDB) shares did Dwight A. Merriman sell directly on February 13, 2026?

On February 13, 2026, Dwight A. Merriman reported a direct open-market sale of 5,000 MongoDB common shares at $353.35 per share. Additional same-day sales of 768, 2,142 and 2,090 shares were also reported, each at separately disclosed weighted-average prices around the mid-$350 range.

What is the Dwight A. Merriman Charitable Foundation’s role in these MongoDB (MDB) transactions?

One reported sale on February 17, 2026 involved 1,200 MongoDB shares held by the Dwight A. Merriman Charitable Foundation at $364.00 per share. The filing notes the foundation is a Delaware nonstock nonprofit and Merriman has voting and investment power but no pecuniary interest in these shares.

How are MongoDB (MDB) shares held through The Dwight A. Merriman 2012 Trust treated?

Some sold shares are held by The Dwight A. Merriman 2012 Trust for the benefit of his children. These transactions are reported as indirect ownership. The filing clarifies the trust holds MongoDB common stock for the children, and sales from this account are disclosed as part of Merriman’s beneficial ownership.

Why do the MongoDB (MDB) Form 4 prices use weighted averages?

The filing reports several trades using weighted-average prices because each sale occurred in multiple smaller transactions within a price range. Footnotes provide the exact ranges, and the reporting person undertakes to supply detailed breakdowns upon request to the company, security holders, or SEC staff.