Manning Anthony M. 4

What Happened
Anthony M. Manning, a director of Monte Rosa Therapeutics (GLUE), exercised stock options and sold shares on 2026-05-21. He exercised 10,000 shares at $4.16 per share (cost = $41,600) and sold 10,000 shares in an open-market transaction at $18.01 per share (proceeds = $180,100). The filing also shows a separate derivative conversion/disposition of 10,000 shares reported at $0.00 consideration; the filing excerpt does not explain that $0.00 entry. Footnotes state the optioned shares were fully vested and exercisable.

Key Details

• Transaction dates: 2026-05-21 (filed on Form 4: 2026-05-22 — appears timely)
• Exercise (code M): 10,000 shares at $4.16 → $41,600 total cost
• Sale (code S): 10,000 shares at $18.01 → $180,100 total proceeds
• Derivative conversion/disposition: 10,000 shares at $0.00 (reported as disposed; filing does not explain)
• Shares owned after transaction: not specified in the provided filing excerpt
• Footnote: the option shares were fully vested and exercisable

Context
This sequence — exercising options and selling shares the same day — is commonly used to realize gains from vested options. The filing shows both an option exercise and an immediate open-market sale; one entry listed at $0.00 may reflect a non-cash settlement or withholding but is not described in the filing excerpt. No 10b5-1 plan, gift, or tax-withholding details are specified in the provided information.