MDB (NASDAQ) affiliate files Form 144 for RSUs and options sale

Rhea-AI Filing Summary

Company submitted a Form 144 notice reporting proposed sales of common stock tied to previously granted equity awards. The excerpt lists Restricted Stock Units granted on 10/01/2019, 01/01/2019, 10/01/2018, and 07/01/2018 and one Stock Option from 10/24/2014, all associated with a disposition date of 12/29/2025. The filing names Merrill Lynch Pierce Fenner & Smith as the broker and references 06/02/2026 and NASDAQ.

Insights

Securities Attorney

Form 144 lists planned affiliate sales of vested awards through a broker.

The filing excerpt catalogs specific equity awards: Restricted Stock Units totaling discrete grants (3,298; 2,135; 1,483; 2,294) and a Stock Option (3,829) with a stated disposition date of 12/29/2025. The broker is identified as Merrill Lynch Pierce Fenner & Smith.

These notices are procedural: they inform the market of intended sales under Rule 144 mechanics. Cash‑flow treatment and whether shares are vested or net‑settled are not specified in the excerpt; subsequent Form 4s or settlement reports would show actual proceeds and transfers.

Key Figures

RSU grant (10/01/2019): 3,298 shares RSU grant (01/01/2019): 2,135 shares RSU grant (10/01/2018): 1,483 shares +3 more

6 metrics

RSU grant (10/01/2019) 3,298 shares Restricted Stock Unit, disposition <date>12/29/2025</date>

RSU grant (01/01/2019) 2,135 shares Restricted Stock Unit, disposition <date>12/29/2025</date>

RSU grant (10/01/2018) 1,483 shares Restricted Stock Unit, disposition <date>12/29/2025</date>

RSU grant (07/01/2018) 2,294 shares Restricted Stock Unit, disposition <date>12/29/2025</date>

Stock Option (10/24/2014) 3,829 shares Stock Option, disposition <date>12/29/2025</date>

Filing/market reference date 06/02/2026 Date associated with header and NASDAQ listing

Key Terms

Form 144, Restricted Stock Unit, Stock Option, Merrill Lynch Pierce Fenner & Smith

4 terms

Form 144 regulatory

"144: Securities To Be Sold"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Unit financial

"Restricted Stock Unit | | | 12/29/2025"

A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.

Stock Option financial

"Stock Option | | | 12/29/2025"

A stock option is a contract that gives you the right to buy or sell a company's stock at a specific price within a certain time frame. People use them to potentially make money if the stock's price moves favorably or to protect against losses. It's like holding a coupon that can be used to buy or sell stock at a set price later on.

Merrill Lynch Pierce Fenner & Smith other

"Merrill Lynch Pierce Fenner & Smith 100 Federal St 12th Fl Boston"

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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	Merrill Lynch Pierce Fenner & Smith 100 Federal St 12th Fl Boston MA 02110	13039	5187957.76	80431927	06/02/2026	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	10/01/2019	Restricted Stock Unit			12/29/2025	3298		Cash
Common	01/01/2019	Restricted Stock Unit			12/29/2025	2135		Cash
Common	10/01/2018	Restricted Stock Unit			12/29/2025	1483		Cash
Common	07/01/2018	Restricted Stock Unit			12/29/2025	2294		Cash
Common	10/24/2014	Stock Option			12/29/2025	3829		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

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 MDB's Form 144 list?

The Form 144 lists proposed sales of common stock tied to equity awards. It shows Restricted Stock Units of 3,298, 2,135, 1,483, 2,294 and a Stock Option of 3,829, with a disposition date of 12/29/2025.

Who is the broker named on the Form 144 for MDB?

The broker named is Merrill Lynch Pierce Fenner & Smith at 100 Federal St, Boston. The filing lists the broker in the securities table and associates the notice with NASDAQ and date 06/02/2026.

Does this Form 144 confirm shares were sold for MDB?

No. Form 144 is a notice of proposed sale under Rule 144. The excerpt shows intended disposition on 12/29/2025, but actual sale completion, proceeds, and reporting would appear in subsequent settlement or Form 4 filings.

Which types of awards are listed on the MDB Form 144?

The excerpt lists Restricted Stock Units awarded on 10/01/2019, 01/01/2019, 10/01/2018, 07/01/2018, and a Stock Option dated 10/24/2014, all tied to the same stated disposition date of 12/29/2025.

Will MDB receive proceeds from the sales listed in Form 144?

The excerpt does not state who receives proceeds. Form 144 typically documents sales by affiliates; the filing does not specify whether proceeds go to the issuer or selling holders in this excerpt.