X0607 3 2026-04-29 0 0001540171 Avalyn Pharma Inc. AVLN 0001644975 Congleton Jon false 105 W FIRST STREET BOSTON MA 02127 true false false false Stock Option (right to buy) 11.74 2036-04-02 Common Stock 43928 D 1/8th of the shares underlying this option vest and become exercisable in substantially equal quarterly installments on each quarterly anniversary of April 3, 2026, subject to the Reporting Person's continued service on each such vesting date. Exhibit 24 - Power of Attorney /s/ Douglas Carlson 2026-04-29