Insider exercises 30,000 shares; 10b5-1 sale 11,845 shares

GLUE-related insider transactions reported.

Rhea-AI Filing Summary

GLUE-related insider transactions reported. The filing shows an exercise of stock options for 30,000 common shares on 06/24/2026 executed for cash. The filing also lists prior 10b5-1 sales of 11,845 common shares on 06/23/2026 for $239,522.50.

The entries identify Morgan Stanley Smith Barney LLC as the broker and give the seller name and address. The filing is administrative disclosure of the option exercise and the pre-arranged 10b5-1 disposition.

Insights

Insider Transactions Specialist

Exercise plus pre-arranged sale recorded; cash proceeds shown for a 10b5-1 trade.

The excerpt documents an exercise of stock options converting options into 30,000 shares on 06/24/2026 and reports a separate 10b5-1 sale of 11,845 shares on 06/23/2026 that generated $239,522.50. These are reported as routine transactions under the securities reporting framework.

Timing and cash-flow treatment for the exercise are explicit as "Cash" in the exercise line. Subsequent filings may disclose net holdings or tax-withholding details if required.

Corporate Governance Analyst

Filing is primarily disclosure; no corporate governance action is shown.

The record lists the broker as Morgan Stanley Smith Barney LLC and provides an address for the reporting person. The filing does not state any board approvals or changes in officer/director roles.

Because this is a Form 144 disclosure of an exercise and a 10b5-1 sale, it serves regulatory transparency rather than indicating governance change.

Key Figures

Shares acquired by exercise: 30,000 shares 10b5-1 shares sold: 11,845 shares Proceeds from 10b5-1 sale: $239,522.50 +1 more

4 metrics

Shares acquired by exercise 30,000 shares Exercise of stock options on 06/24/2026

10b5-1 shares sold 11,845 shares 10b5-1 sale on 06/23/2026

Proceeds from 10b5-1 sale $239,522.50 Gross proceeds reported for the 06/23/2026 sale

Broker listed Morgan Stanley Smith Barney LLC Broker on the securities-to-be-sold line

Key Terms

10b5-1, Exercise of Stock Options, Form 144

3 terms

10b5-1 regulatory

"10b5-1 Sales for FILIP JANKU 321 Harrison Avenue"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Exercise of Stock Options financial

"Common | 06/24/2026 | Exercise of Stock Options"

Form 144 regulatory

"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.

FAQ

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

What did GLUE insiders disclose in the Form 144?

The filing discloses an option exercise for 30,000 shares on 06/24/2026 and a 10b5-1 sale of 11,845 shares on 06/23/2026. It lists Morgan Stanley Smith Barney LLC as the broker and shows proceeds of $239,522.50 for the 10b5-1 sale.

How much cash was reported from the 10b5-1 sale in GLUE's filing?

The 10b5-1 sale on 06/23/2026 generated $239,522.50 in proceeds. That amount is shown alongside the 11,845 shares sold under the pre-arranged plan in the filing excerpt.

How many shares were acquired by exercise in the Form 144 for GLUE?

The filing shows an exercise of stock options resulting in 30,000 common shares on 06/24/2026. The exercise is recorded as executed for cash in the excerpt.

Was the 10b5-1 sale in GLUE reported as pre-arranged?

Yes. The sale on 06/23/2026 is labeled as a 10b5-1 sale, indicating it was executed under a pre-established trading plan. The filing lists the share count and gross proceeds for that transaction.

Which broker handled the transactions in the GLUE filing?

The broker identified is Morgan Stanley Smith Barney LLC located at 1 New York Plaza, 8th Floor, New York. That broker information appears on the securities-to-be-sold line in the excerpt.

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

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Accepted by SEC EDGAR 06/24/2026 - 04:34 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	0001862930
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	FILIP JANKU
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	30000	621300.00	84479418	06/24/2026	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	06/24/2026	Exercise of Stock Options	Issuer			30000	06/24/2026	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
10b5-1 Sales for FILIP JANKU 321 Harrison Avenue, Suite 900 Boston MA 02118	Common	06/23/2026	11845	239522.50

144: Remarks and Signature

Remarks	The securities to be sold were and will be received upon the exercise of stock options over the next three months. The dates of acquisition and payment were and will be the dates of exercise/sale.
Date of Notice	06/24/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	03/04/2026
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/ Filip Janku
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)