Planned 6,000-share sale by MongoDB (MDB) insider under Rule 144

Rhea-AI Filing Summary

MongoDB, Inc. insiders filed a notice of proposed sale of 6,000 shares of common stock through Wells Fargo Clearing Services on NASDAQ, with an aggregate market value of $2,191,917.78 and an approximate sale date of 02/12/2026.

The shares are founder stock acquired on 10/18/2017 from the issuer. The filing also lists recent sales of MongoDB, Inc. shares over the past three months by entities including 2012 Trust LLC, Dwight Merriman, and the Dwight A Merriman Charitable Foundation, with individual transactions such as 10,000 shares sold on 11/14/2025 for gross proceeds of $3,384,012.70 and 6,000 shares sold on 01/13/2026 for $2,505,623.00.

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Wells Fargo Clearing Services One North Jefferson Avenue St. Louis MO 63103	6000	2191917.78	81391760	02/12/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	10/18/2017	Founders Shares	Issuer			6000	10/18/2017	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
DAM 2012 Trust LLC 1633 Broadway 38th Floor New York NY 10019	MongoDB, Inc.	11/12/2025	6000	2233993.10
Dwight Merriman 1633 Broadway 38th Floor New York NY 10019	MongodB, Inc.	11/14/2025	10000	3384012.70
Dwight Merriman 1633 Broadway 38th, Floor New York NY 10019	MongoDB, Inc.	12/02/2025	4000	1639743.00
Dwight Merriman 1633 Broadway 38th, Floor New York NY 10019	MongoDB, Inc.	12/12/2025	10000	4177021.30
DAM 2012 Trust LLC 1633 Broadway 38th, Floor New York NY 10019	MongoDB, Inc.	12/15/2025	6000	2514595.02
Dwight A Merriman Charitable Foundation 1633 Broadway 38th, Floor New York NY 10019	MongoDB, Inc.	01/02/2026	1054	445058.00
DAM 2012 Trust LLC 1633 Broadway 38th, Floor New York NY 10019	MongoDB, Inc.	01/13/2026	6000	2505623.00
Dwight Merriman 1633 Broadway 38th, Floor New York NY 10019	MongoDB, Inc.	01/14/2026	10000	4075900.88
Dwight A Merriman Charitable Foundation 1633 Broadway 38th, Floor New York NY 10019	MongoDB,Inc.	01/15/2026	1139	442028.09
Dwight A Merriman Charitable Foundation 1633 Broadway 38th Floor New York NY 10019	MongoDB, Inc.	02/02/2026	1190	439745.50

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filing for MongoDB (MDB) disclose?

The filing discloses a proposed sale of 6,000 MongoDB, Inc. common shares through Wells Fargo Clearing Services on NASDAQ. These founder shares were acquired from the issuer on 10/18/2017, with an aggregate market value of $2,191,917.78 and an approximate sale date of 02/12/2026.

How many MongoDB (MDB) shares are proposed to be sold and on what exchange?

The notice covers a proposed sale of 6,000 MongoDB, Inc. common shares to be sold on NASDAQ. The broker is Wells Fargo Clearing Services, and the table lists an aggregate market value of $2,191,917.78 with an approximate sale date of 02/12/2026.

When and how were the MongoDB (MDB) shares in this Form 144 originally acquired?

The 6,000 MongoDB, Inc. common shares were acquired on 10/18/2017 as founder shares from the issuer. The filing indicates the nature of the acquisition as “Founders Shares,” with the full amount acquired and paid for on the same date, categorized as “N/A” for nature of payment.

What recent MongoDB (MDB) share sales are reported over the past three months?

The filing lists multiple recent sales, including 6,000 MongoDB, Inc. shares by 2012 Trust LLC on 11/12/2025 for $2,233,993.10 and 10,000 shares by Dwight Merriman on 11/14/2025 for $3,384,012.70. Additional transactions continue through 02/02/2026 by related entities.

Which entities associated with MongoDB (MDB) are shown selling shares recently?

Reported sellers include 2012 Trust LLC, Dwight Merriman, and the Dwight A Merriman Charitable Foundation, all at a New York address. They executed several MongoDB, Inc. stock sales between 11/12/2025 and 02/02/2026, with individual trades ranging from 1,054 to 10,000 shares each.

What does the Form 144 say about insider knowledge for this MongoDB (MDB) sale?

The person for whose account the securities are to be sold represents by signing that they do not know any material adverse information about MongoDB, Inc.’s current or prospective operations that has not been publicly disclosed, consistent with Rule 144 and any applicable Rule 10b5-1 plan.