MongoDB (NASDAQ: MDB) director Merriman sells 16,000 shares in plan

Rhea-AI Filing Summary

MongoDB director Dwight A. Merriman reported open-market sales of 16,000 shares of MongoDB, Inc. common stock under a Rule 10b5-1 trading plan. Transactions on June 12, 2026 and June 15, 2026 were executed at weighted average prices ranging from $348.45 to $354.41 per share.

Of the total, 10,000 shares were sold from his direct holdings and 6,000 shares were sold indirectly by The Dwight A. Merriman 2012 Trust for the benefit of his children. After these sales, Merriman directly holds 983,316 shares, with an additional 464,896 shares held by the 2012 Trust and 79,262 shares held by the Dwight A. Merriman Charitable Foundation, where he has voting and investment power but no pecuniary interest.

Insider Trade Summary 10b5-1

Net Seller: 16,000 shares

Net Sell 6 txns

Insider MERRIMAN DWIGHT A

Role Director

Sold 16,000 shs ($5.63M)

Type	Security	Shares	Price	Value
Sale	Common Stock	6,000	$348.92	$2.09M
Sale	Common Stock	625	$350.55	$219K
Sale	Common Stock	320	$352.00	$113K
Sale	Common Stock	1,280	$353.00	$452K
Sale	Common Stock	7,775	$354.41	$2.76M
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 983,316 shares (Direct); Common Stock — 464,896 shares (Indirect, By Trust); Common Stock — 79,262 shares (Indirect, Dwight A. Merriman Charitable Foundation)

Footnotes (6)

1. F1. The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.
2. F2. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $350.01 to $350.85, 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. F3. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $352.00 to $352.03, 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. F4. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $348.45 to $348.98, 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. F5. These shares are held by The Dwight A. Merriman 2012 Trust for the benefit of the Reporting Person's children.
6. F6. 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.

Key Figures

Total shares sold: 16,000 shares Direct shares sold: 10,000 shares Trust shares sold: 6,000 shares +5 more

8 metrics

Total shares sold 16,000 shares Net open-market sales reported in this Form 4

Direct shares sold 10,000 shares Common Stock sales on June 12, 2026 from direct holdings

Trust shares sold 6,000 shares Common Stock sales on June 15, 2026 by 2012 Trust

Sale price example $348.92 per share 6,000-share trust sale on June 15, 2026

Highest reported sale price $354.41 per share 7,775-share direct sale on June 12, 2026

Direct holdings after transactions 992,691 shares Common Stock directly owned following June 12, 2026 trades

2012 Trust holdings after sale 464,896 shares Shares held by The Dwight A. Merriman 2012 Trust after June 15, 2026

Charitable foundation holdings 79,262 shares Shares held by Dwight A. Merriman Charitable Foundation; no pecuniary interest

Key Terms

Rule 10b5-1 trading plan, weighted average price, pecuniary interest, non-derivative, +1 more

5 terms

Rule 10b5-1 trading plan financial

"The transactions were pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person."

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

weighted average price financial

"The price reported is a weighted average price. The shares were sold in multiple transactions at prices within stated ranges."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

pecuniary interest financial

"The Reporting Person is deemed to have voting and investment power ... but has no pecuniary interest in these shares."

non-derivative financial

"Transaction type is reported as non-derivative for the Common Stock sales."

indirect ownership financial

"Certain holdings are reported as indirect, including shares held by a trust and a charitable foundation."

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 06/16/2026 - 04:38 PM Accepted by SEC EDGAR 06/16/2026 - 04:37 PM Learn about SEC filing dates

FAQ

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

Dwight A. Merriman reported selling 16,000 shares of MongoDB common stock. This included 10,000 shares from his direct holdings and 6,000 shares sold indirectly through The Dwight A. Merriman 2012 Trust for the benefit of his children.

At what prices were Dwight A. Merriman’s MongoDB (MDB) shares sold?

The reported sales were executed at weighted average prices between about $348.45 and $354.41 per share. Individual trades occurred within disclosed ranges, and detailed breakdowns are available on request from the company, security holders, or SEC staff.

Were Dwight A. Merriman’s MongoDB (MDB) share sales pre-planned?

Yes. The filing states the transactions were made under a Rule 10b5-1 trading plan adopted by the reporting person. Such plans pre-schedule trades, helping separate routine portfolio management from discretionary, market-timed insider transactions.

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

After the reported trades, Merriman directly holds 992,691 shares of MongoDB common stock. In addition, 464,896 shares are held by The Dwight A. Merriman 2012 Trust and 79,262 shares by the Dwight A. Merriman Charitable Foundation, both reported as indirect holdings.

What is the role of The Dwight A. Merriman 2012 Trust in these MongoDB (MDB) holdings?

The filing notes that certain shares are held by The Dwight A. Merriman 2012 Trust for the benefit of Merriman’s children. The trust conducted part of the 16,000-share sale and continues to hold a substantial indirect position in MongoDB stock.

Does Dwight A. Merriman benefit economically from MongoDB (MDB) shares held by his charitable foundation?

The filing states the Dwight A. Merriman Charitable Foundation is a Delaware nonstock nonprofit corporation. Merriman is deemed to have voting and investment power over its MongoDB shares but has no pecuniary interest, meaning he does not personally profit from those 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
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 NEW YORK 10019

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/12/2026

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

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

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

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	06/12/2026		S(1)		625	D	$350.55(2)	992,691	D
Common Stock	06/12/2026		S(1)		320	D	$352(3)	992,371	D
Common Stock	06/12/2026		S(1)		1,280	D	$353	991,091	D
Common Stock	06/12/2026		S(1)		7,775	D	$354.41	983,316	D
Common Stock	06/15/2026		S(1)		6,000	D	$348.92(4)	464,896	I	By Trust(5)
Common Stock								79,262	I	Dwight A. Merriman Charitable Foundation(6)

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 $350.01 to $350.85, 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 $352.00 to $352.03, 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 $348.45 to $348.98, 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 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	06/16/2026
	** 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.
* Form 4: SEC 1474 (03-26)