Warmuth Markus plan to sell securities of Monte Rosa Therapeutics, Inc. under Form 144

Warmuth Markus filed Form 144 to notify SEC of plan to sell 5466 units of Monte Rosa Therapeutics, Inc. securities around 2026-06-01, with aggregate market value of $106,253.03. The total outstanding units is 84479418.0. The amount planned to be sold represents 0.01% of total outstanding units; Recent transactions in past 3 months include: On 03/02/2026, sold 5466 units for $97974.22; On 04/14/2026, sold 8000 units for $141124.80; On 05/01/2026, sold 5467 units for $103446.63;