MDB Rule 144 Notice: Option Exercise and Brokered Sale of 20,000 Shares

Rhea-AI Filing Summary

Form 144 notice for MongoDB, Inc. (MDB): The filing reports a proposed sale of 20,000 shares of common stock through Morgan Stanley Smith Barney LLC on 09/23/2025. The filing lists an aggregate market value of $6,471,800.00 and indicates 81,356,893 shares outstanding. The shares were acquired and paid for on 09/23/2025 via exercise of stock options with cash payment, and there are no reported securities sold in the prior three months. The filer certifies there is no undisclosed material adverse information. This appears to be a routine Section 144 notice disclosing an option exercise followed by a proposed brokered sale.

Insights

Securities Compliance Analyst

TL;DR: Routine Rule 144 notice disclosing a same-day option exercise and proposed broker sale; no prior three-month sales reported.

The filing documents a common practice where an option is exercised and shares are routed to a broker for sale under Rule 144. Key facts: 20,000 shares, aggregate value $6,471,800, sale date 09/23/2025, broker Morgan Stanley Smith Barney LLC, shares acquired by exercise and paid in cash same day. From a compliance perspective the notice meets core disclosure elements required by Rule 144 and includes the signatory representation about material information.

Corporate Actions Specialist

TL;DR: Operationally straightforward: option exercise converted to a brokered sale; filing signals liquidity event but not a material transfer relative to outstanding shares.

The transaction appears operationally routine: exercise of stock options and immediate routing to a broker for sale. The 20,000-share block represents a small fraction of the 81.36 million shares outstanding (~0.025%), suggesting limited market impact. No aggregated sales in the prior three months are reported, which simplifies Rule 144 aggregation considerations. The filing contains required broker and timing details.

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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	20000	6471800.00	81356893	09/23/2025	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	09/23/2025	Exercise of Stock Options	Issuer			20000	09/23/2025	Cash

* 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

Nothing to Report

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 filed for MDB disclose?

It discloses a proposed sale of 20,000 common shares via Morgan Stanley Smith Barney LLC with aggregate market value $6,471,800.00 and sale date 09/23/2025.

How were the MongoDB shares acquired according to the filing?

The shares were acquired on 09/23/2025 by exercise of stock options and were paid for in cash on the same date.

Does the filing report any securities sold in the past three months for MDB?

No. The filing states "Nothing to Report" for securities sold during the past three months by the person for whose account the securities are to be sold.

Who is the broker handling the proposed sale in the Form 144?

The broker is listed as Morgan Stanley Smith Barney LLC, Executive Financial Services, 1 New York Plaza, 8th Floor, New York, NY 10004.

How large is the proposed sale relative to outstanding shares?

The filing lists 81,356,893 shares outstanding; 20,000 shares are approximately 0.025% of that total.