STOCK TITAN

Monte Rosa (NASDAQ: GLUE) CMO exercises options, sells 6,000 shares

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Monte Rosa Therapeutics Chief Medical Officer Filip Janku reported an exercise-and-sell transaction in company stock. He exercised stock options to acquire 6,000 shares of Common Stock at $7.56 per share and on the same date sold 6,000 shares at $22.95 per share in an open-market transaction.

After these transactions, Janku directly holds 59,992 shares of Common Stock and retains 60,000 stock options that remain outstanding and fully vested. The company notes these trades were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on March 4, 2026, indicating they were scheduled in advance rather than timed discretionarily.

Positive

  • None.

Negative

  • None.
Insider Janku Filip
Role Chief Medical Officer
Sold 6,000 shs ($138K)
Type Security Shares Price Value
Exercise Stock Option (Right to Buy) 6,000 $0.00 --
Exercise Common Stock 6,000 $7.56 $45K
Sale Common Stock 6,000 $22.95 $138K
Holdings After Transaction: Stock Option (Right to Buy) — 60,000 shares (Direct, null); Common Stock — 65,992 shares (Direct, null)
Footnotes (1)
  1. These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2026. The shares underlying this option are fully vested and exercisable.
Shares sold 6,000 shares Open-market sale of Common Stock
Sale price $22.95 per share Price received for 6,000 Common shares
Options exercised 6,000 shares Stock option exercise into Common Stock
Option strike price $7.56 per share Conversion or exercise price of stock option
Shares held after 59,992 shares Direct Common Stock holdings post-transaction
Options remaining 60,000 options Fully vested stock options outstanding after exercise
Rule 10b5-1 plan adoption date March 4, 2026 Date stated for trading plan governing transactions
Option expiration 2032-10-03 Expiration date of the stock option grant
Rule 10b5-1 trading plan regulatory
"These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2026."
A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.
Stock Option (Right to Buy) financial
"Stock Option (Right to Buy) with 6,000 underlying shares of Common Stock."
open-market sale financial
"transaction_action: open-market sale of 6,000 shares of Common Stock."
An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.
derivative exercise/conversion financial
"transaction_action: derivative exercise/conversion of stock options into Common Stock."
Chief Medical Officer other
"Reporting person Janku Filip serves as Chief Medical Officer of Monte Rosa Therapeutics, Inc."
A chief medical officer is a senior executive responsible for overseeing the health and medical strategies within an organization, often in the healthcare or pharmaceutical sectors. They play a key role in guiding decisions related to medical research, product safety, and healthcare policies, which can impact a company's reputation and success. For investors, understanding the chief medical officer's role helps gauge how well a company manages medical risks and advances its healthcare goals.
See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
X
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Janku Filip

(Last)(First)(Middle)
MONTE ROSA THERAPEUTICS, INC.
321 HARRISON AVENUE, SUITE 900

(Street)
BOSTON MASSACHUSETTS 02118

(City)(State)(Zip)

UNITED STATES

(Country)
2. Issuer Name and Ticker or Trading Symbol
Monte Rosa Therapeutics, Inc. [ GLUE ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Medical Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
06/29/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock06/29/2026M(1)6,000A$7.5665,992D
Common Stock06/29/2026S(1)6,000D$22.9559,992D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Stock Option (Right to Buy)$7.5606/29/2026M(1)6,000 (2)10/03/2032Common Stock6,000$060,000D
Explanation of Responses:
1. These transactions were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 4, 2026.
2. The shares underlying this option are fully vested and exercisable.
/s/ Phil Nickson, Attorney-in-Fact06/30/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Monte Rosa Therapeutics (GLUE) report for Filip Janku?

Monte Rosa Therapeutics reported that Chief Medical Officer Filip Janku exercised and sold 6,000 shares. He exercised options for 6,000 shares and sold 6,000 shares of Common Stock in an open-market transaction on the same date, reflecting an exercise-and-sell pattern.

At what prices did Filip Janku exercise options and sell GLUE shares?

Filip Janku exercised stock options at $7.56 and sold shares at $22.95. He acquired 6,000 shares of Common Stock through option exercise at a $7.56 strike price, then sold 6,000 shares in the market at $22.95 per share on that same transaction date.

How many Monte Rosa Therapeutics (GLUE) shares does Filip Janku hold after this Form 4?

After the reported transactions, Filip Janku directly holds 59,992 GLUE shares. His Common Stock position remained substantial following the exercise-and-sell activity, providing context that the 6,000-share sale represents only a portion of his total share ownership in the company.

What stock option position does Filip Janku retain in Monte Rosa Therapeutics (GLUE)?

Following the exercise, Filip Janku retains 60,000 stock options in Monte Rosa Therapeutics. These options are fully vested and exercisable, with a conversion or exercise price of $7.56 per share and an expiration date in 2032, indicating a remaining long-term equity incentive.

Was Filip Janku’s sale of GLUE shares under a Rule 10b5-1 trading plan?

Yes, the filing states the transactions were executed under a Rule 10b5-1 trading plan. The plan was adopted on March 4, 2026, meaning the exercise and sale were pre-scheduled, which typically reflects routine portfolio management rather than discretionary market timing.