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MongoDB (MDB) director sells 16,000 shares in 10b5-1 trades

Filing Impact
(Very High)
Filing Sentiment
(Very Negative)
Form Type
4

Rhea-AI Filing Summary

MongoDB, Inc. (MDB) director Dwight A. Merriman reported open-market sales of a total of 16,000 shares of common stock on August 14 and 17, 2026, pursuant to a Rule 10b5-1 trading plan. The reported sales included 10,000 shares held directly and 6,000 shares held indirectly through The Dwight A. Merriman 2012 Trust for the benefit of his children. A separate entry shows 79,262 shares held indirectly by the Dwight A. Merriman Charitable Foundation, over which he has voting and investment power but no pecuniary interest.

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Insights

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Insider MERRIMAN DWIGHT A
Role Director
Sold 16,000 shs ($7.42M)
Type Security Shares Price Value
Sale Common Stock F1, F4, F5 992 $448.98 $445K
Sale Common Stock F1, F6, F5 1,652 $450.28 $744K
Sale Common Stock F1, F7, F5 522 $451.22 $236K
Sale Common Stock F1, F8, F5 460 $452.55 $208K
Sale Common Stock F1, F9, F5 2,174 $453.71 $986K
Sale Common Stock F1, F10, F5 80 $454.88 $36K
Sale Common Stock F1, F11, F5 120 $456.36 $55K
Sale Common Stock F1, F2 6,752 $469.81 $3.17M
Sale Common Stock F1, F3 3,248 $472.22 $1.53M
holding Common Stock F12 -- -- --
Holdings After Transaction: Common Stock — 962,953 shares (Direct); Common Stock — 452,896 shares (Indirect, By Trust); Common Stock — 79,262 shares (Indirect, Dwight A. Merriman Charitable Foundation)
Footnotes (12)
  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 $469.50 to $469.86, 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 $471.39 to $472.36, 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 $448.64 to $449.52, 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 price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $449.77 to $450.73, 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. F7. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $451.11 to $451.75, 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. F8. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $452.11 to $453.04, 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. F9. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $453.28 to $454.24, 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.
  10. F10. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $454.57 to $455.19, 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.
  11. F11. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $456.35 to $456.37, 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.
  12. F12. 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.
Total shares sold 16,000 shares Aggregate of nine open-market sales reported on August 14 and 17, 2026
Directly held shares sold 10,000 shares Two sales of directly held common stock on August 14, 2026
Trust-held shares sold 6,000 shares Seven sales of shares held by The Dwight A. Merriman 2012 Trust on August 17, 2026
Weighted average sale price (example 1) $469.81 per share Weighted average price for 6,752 shares sold on August 14, 2026
Weighted average sale price (example 2) $472.22 per share Weighted average price for 3,248 shares sold on August 14, 2026
Charitable foundation holding 79,262 shares Indirectly held by the Dwight A. Merriman Charitable Foundation; no pecuniary interest
Rule 10b5-1 trading plan regulatory
"The transactions were pursuant to a Rule 10b5-1 trading plan adopted"
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"
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
"has no pecuniary interest in these shares"
nonstock nonprofit corporation regulatory
"The Dwight A. Merriman Charitable Foundation is a Delaware nonstock nonprofit corporation"

FAQ

What insider transaction did MongoDB (MDB) director Dwight A. Merriman report?
Dwight A. Merriman reported selling 16,000 shares of MongoDB common stock in open-market transactions on August 14 and 17, 2026. These sales were executed under a Rule 10b5-1 trading plan, indicating they followed a pre-established trading schedule.

How many MongoDB (MDB) shares did Dwight A. Merriman sell directly versus through a trust?
Merriman reported selling 10,000 shares held directly and 6,000 shares held indirectly via The Dwight A. Merriman 2012 Trust. The trust holds shares for the benefit of his children, and those indirect sales are attributed to the trust’s holdings.

At what prices were Dwight A. Merriman’s MongoDB (MDB) shares sold?
The reported per-share prices were weighted average prices, including $469.81 and $472.22 on August 14 and prices around $449–$456 on August 17. Each weighted average covers multiple trades within specified intraday price ranges.

Were Dwight A. Merriman’s MongoDB (MDB) stock 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 Merriman. Such plans allow insiders to prearrange trades, which can reduce the informational value of the exact timing of the sales.

What MongoDB (MDB) shares are held by the Dwight A. Merriman Charitable Foundation?
A holding entry reports 79,262 shares of MongoDB common stock held indirectly by the Dwight A. Merriman Charitable Foundation. Merriman has voting and investment power over these shares but no pecuniary interest in them, according to the footnote.

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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/14/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/14/2026S(1)6,752D$469.81(2)966,201D
Common Stock08/14/2026S(1)3,248D$472.22(3)962,953D
Common Stock08/17/2026S(1)992D$448.98(4)457,904IBy Trust(5)
Common Stock08/17/2026S(1)1,652D$450.28(6)456,252IBy Trust(5)
Common Stock08/17/2026S(1)522D$451.22(7)455,730IBy Trust(5)
Common Stock08/17/2026S(1)460D$452.55(8)455,270IBy Trust(5)
Common Stock08/17/2026S(1)2,174D$453.71(9)453,096IBy Trust(5)
Common Stock08/17/2026S(1)80D$454.88(10)453,016IBy Trust(5)
Common Stock08/17/2026S(1)120D$456.36(11)452,896IBy Trust(5)
Common Stock79,262IDwight A. Merriman Charitable Foundation(12)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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 $469.50 to $469.86, 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 $471.39 to $472.36, 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 $448.64 to $449.52, 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 $449.77 to $450.73, 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 $451.11 to $451.75, 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 $452.11 to $453.04, 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 price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $453.28 to $454.24, 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.
10. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $454.57 to $455.19, 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.
11. The price reported is a weighted average price. The shares were sold in multiple transactions at prices ranging from $456.35 to $456.37, 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.
12. 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-Fact08/18/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR