GLUE affiliate plans sale of 536 shares

Rhea-AI Filing Summary

Morgan Stanley Smith Barney LLC Executive Financial Services filed a Form 144 disclosing the proposed sale of 536 common shares by means of a stock option exercise on 03/02/2026. The filing lists cash proceeds as the method of settlement.

The excerpt also reports recent open-market sales by Edmund Dunn of 25,164 shares for $455,506.15 on 02/27/2026 and 1,039 shares for $15,762.65 on 01/05/2026.

Insights

Securities Transactions Analyst

Routine affiliate sale via option exercise; prior small insider sales shown.

The filing reports a stock option exercise to sell 536 common shares on 03/02/2026, with settlement in cash. This is a transactional disclosure of a planned sale, not operational performance data.

Examples shown include recent sales by Edmund Dunn of 25,164 shares on 02/27/2026 and 1,039 shares on 01/05/2026. Cash-flow treatment to or from specific parties is described as Cash for the stock option exercise in the excerpt.

FAQ

What does GLUE's Form 144 disclose?

The filing discloses a proposed sale of 536 common shares via a stock option exercise scheduled for 03/02/2026. It also lists settlement as cash and recent insider sales by Edmund Dunn earlier in the year.

Who is the registered broker-dealer handling the transaction for GLUE?

The excerpt names Morgan Stanley Smith Barney LLC Executive Financial Services as the broker-dealer in the filing. The record shows their address at 1 New York Plaza, 8th Floor, New York, NY tied to the proposed sale.

What recent insider sales does the filing show for GLUE?

The filing reports two recent sales by Edmund Dunn: 25,164 shares for $455,506.15 on 02/27/2026, and 1,039 shares for $15,762.65 on 01/05/2026. These are historical sales listed in the excerpt.

Does the Form 144 indicate how proceeds will be used for GLUE?

The excerpt specifies settlement method as Cash for the stock option exercise but does not state any use of proceeds. The filing records the transaction mechanics rather than describing allocation of funds.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/02/2026 - 04:15 PM Learn about SEC filing dates

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	0001989401
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MONTE ROSA THERAPEUTICS, INC.
SEC File Number	001-40522
Address of Issuer	321 Harrison Avenue Suite 900 Boston MASSACHUSETTS 02118
Phone	617-949-2643
Name of Person for Whose Account the Securities are To Be Sold	Edmund Dunn
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	Officer

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	536	9380.00	65117761	03/02/2026	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	03/02/2026	Stock Option Exercise	Issuer			536	03/02/2026	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Edmund Dunn 321 Harrison Avenue Suite 900 Boston MA 02118	Common	02/27/2026	25164	455506.15
Edmund Dunn 321 Harrison Avenue Suite 900 Boston MA 02118	Common	01/05/2026	1039	15762.65

144: Remarks and Signature

Remarks
Date of Notice	03/02/2026
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	/s/ Edmund Dunn
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)