GLUE shareholder files notice of Rule 144 sale

GLUE shareholder Markus Warmuth filed a notice to sell up to 9,500 shares of GLUE common stock under Rule 144 through Morgan Stanley Smith Barney LLC, with an aggregate market value of $220,218.55.

Rhea-AI Filing Summary

GLUE shareholder Markus Warmuth filed a notice to sell up to 9,500 shares of GLUE common stock under Rule 144 through Morgan Stanley Smith Barney LLC, with an aggregate market value of $220,218.55. The approximate sale date is July 16, 2026 on NASDAQ.

The 9,500 shares derive from restricted stock acquired from the issuer, including 8,678 shares granted on September 1, 2021 and 822 shares on December 1, 2021. In the past three months, Warmuth sold 5,466 shares for $106,253.04 on June 1, 2026 and 5,467 shares for $103,446.57 on May 1, 2026. Shares outstanding were 84,479,418.

Key Figures

Shares to be sold: 9,500 shares Aggregate market value: $220,218.55 Shares outstanding: 84,479,418 shares +4 more

7 metrics

Shares to be sold 9,500 shares Planned Rule 144 sale of GLUE common stock

Aggregate market value $220,218.55 Total market value of 9,500 GLUE shares to be sold

Shares outstanding 84,479,418 shares GLUE common stock outstanding referenced in the notice

Restricted stock grant 8,678 shares Restricted GLUE shares acquired on September 1, 2021

Restricted stock grant 822 shares Restricted GLUE shares acquired on December 1, 2021

Recent sale 5,466 shares for $106,253.04 GLUE common stock sold on June 1, 2026

Recent sale 5,467 shares for $103,446.57 GLUE common stock sold on May 1, 2026

Key Terms

Form 144, Restricted Stock, Aggregate market value

3 terms

Form 144 regulatory

"144: Filer Information | | | 144: Filer Information"

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 financial

"Common | 09/01/2021 | Restricted Stock | Issuer"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

Aggregate market value financial

"Common | Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004 | 9500 | 220218.55"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the Form 144 for GLUE disclose about planned share sales?

The Form 144 discloses a planned sale of up to 9,500 GLUE common shares under Rule 144, with an aggregate market value of $220,218.55. The approximate sale date is July 16, 2026 on NASDAQ through Morgan Stanley Smith Barney LLC.

Who is the GLUE shareholder filing the Form 144 and what is being sold?

The shareholder is Markus Warmuth, who filed to sell up to 9,500 shares of GLUE common stock. These shares come from restricted stock acquired from the issuer in 2021, in two grants of 8,678 and 822 shares respectively.

What prior GLUE share sales are reported in the last three months?

The notice reports two prior GLUE common stock sales: 5,466 shares sold on June 1, 2026 for $106,253.04 and 5,467 shares sold on May 1, 2026 for $103,446.57. These transactions occurred within the three months preceding the planned Rule 144 sale.

What is the size of GLUE’s outstanding shares referenced in the Form 144?

The notice states that there are 84,479,418 shares of GLUE common stock outstanding. This figure provides context for the planned Rule 144 sale of 9,500 shares, indicating the overall share base relative to the proposed disposition.

How and where will the GLUE shares under Form 144 be sold?

The GLUE shares are expected to be sold through Morgan Stanley Smith Barney LLC Executive Financial Services, with an approximate sale date of July 16, 2026. The common stock is listed on NASDAQ, and the aggregate market value of the planned sale is $220,218.55.

When were the GLUE restricted shares planned for sale originally acquired?

The restricted GLUE shares planned for sale were acquired from the issuer on September 1, 2021 and December 1, 2021. The respective grants were for 8,678 and 822 common shares, which together make up the 9,500 shares covered by this Rule 144 notice.

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

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Accepted by SEC EDGAR 07/16/2026 - 04:05 PM EDT 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	0001855643
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	MARKUS WARMUTH
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	9500	220218.55	84479418	07/16/2026	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	09/01/2021	Restricted Stock	Issuer			8678	09/01/2021	Not Applicable
Common	12/01/2021	Restricted Stock	Issuer			822	12/01/2021	Not Applicable

* 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
Markus Warmuth 321 Harrison Avenue Suite 900 Boston MA 02118	Common	06/01/2026	5466	106253.04
Markus Warmuth 321 Harrison Avenue Suite 900 Boston MA 02118	Common	05/01/2026	5467	103446.57

144: Remarks and Signature

Remarks
Date of Notice	07/16/2026
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/ Markus Warmuth
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)