{"url_path":"/sec/avln/13dg/2026-05-08/000107261326000386","section_key":"body","section_title":"SCHEDULE 13D body","topic":"sec","document":{"doc_type":"SCHEDULE 13D","doc_date":"2026-05-08","source_url":"https://www.sec.gov/Archives/edgar/data/1540171/0001072613-26-000386-index.html","accession_number":"0001072613-26-000386","cik":"0001540171","ticker":"AVLN","issuer_name":"Avalyn Pharma Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1540171/0001072613-26-000386-index.html","primary_entity_key":"0001540171","primary_entity_name":"Avalyn Pharma Inc."},"word_count":205,"has_tables":true,"body_markdown":"EX-1\n2\nexh1.htm\nAGREEMENT REGARDING FILING OF JOINT SCHEDULE 13D\n\n**EXHIBIT\n1**\n\n**AGREEMENT**\n\nPursuant to Rule 13d-1(k)(1)\nunder the Securities Exchange Act of 1934, the undersigned hereby agree that only one statement containing the information required by\nSchedule 13D need be filed with respect to the ownership by each of the undersigned of shares of stock of Avalyn Pharma Inc.\n\nEXECUTED\nthis 8th day of May, 2026.\n\nSR ONE CAPITAL MANAGEMENT, LLC\n\nBy:                                 *                           \n\nSimeon George,\nM.D.\n\nManaging Member\n\nSR ONE CAPITAL FUND II\nAGGREGATOR, LP\n\nBy:\n\nSR ONE CAPITAL PARTNERS\nII, LP\n\nBy:\nSR ONE CAPITAL MANAGEMENT, LLC\n\nBy:                               *                          \n\n    Simeon George, M.D.\n\n     Managing\nMember\n\nSR\nONE CAPITAL PARTNERS II, LP\n\nBy:\n\nSR\nONE CAPITAL MANAGEMENT, LLC\n\nBy:                                 *                           \n\nSimeon George,\nM.D.\n\nManaging Member\n\nAMZL, LP\n\nBy:\n\nSR ONE CAPITAL SMA PARTNERS, LP\n\nBy:\nSR ONE CAPITAL MANAGEMENT, LLC\n\nBy:                               *                          \n\n    Simeon George, M.D.\n\n     Managing\nMember\n\nSR ONE CAPITAL SMA PARTNERS, LP\n\nBy:\n\nSR\nONE CAPITAL MANAGEMENT, LLC\n\nBy:                                 *                           \n\nSimeon George,\nM.D.\n\nManaging Member\n\n                      \n                 *                                          \n\nSimeon\nGeorge, M.D.\n\n*/s/\nSasha Keough                          \n\nSasha\nKeough\n\nAs\nattorney-in-fact\n\nThis Agreement relating to Schedule 13D was executed by Sasha Keough\non behalf of the individuals listed above pursuant to a Power of Attorney, a copy of which is attached hereto as Exhibit 2."}