Monte Rosa (GLUE) COO Jennifer Champoux Exercises Options, Sells Shares

What Happened

• Jennifer Champoux, Chief Operating Officer of Monte Rosa Therapeutics (GLUE), exercised stock options for 4,351 shares at $3.98/share (total cost $17,317) on July 15, 2026, and the same day sold those 4,351 shares in the open market for total proceeds of $101,730 (weighted average sale price $23.38/share).

Key Details

• Transaction date: July 15, 2026.
• Exercise: 4,351 shares at $3.98/share — $17,317 cash paid.
• Sale: 4,351 shares sold; weighted average price $23.38/share; total proceeds $101,730. Sale prices ranged from $22.83 to $23.71 per share.
• Filing status: Report covers period 7/15/2026 and was filed 7/16/2026 (timely).
• Shares owned after transaction: not specified in the filing.
• Footnotes: Transactions were made under a Rule 10b5‑1 trading plan adopted 2/19/2026. Vesting note: 25% of the underlying option vested 5/28/2025, remainder vests in 36 monthly installments.

Context

• This was an option exercise followed by an immediate open-market sale of the exercised shares (a common way to realize value from vested options). The filing shows an exercise (derivative acquisition) and corresponding sale the same day; the $0 line reflects the derivative instrument being converted/closed upon exercise. These transactions were executed under a pre-established 10b5‑1 plan, which typically schedules trades in advance.