What Changed
Price Move History
- Daily moves over 5%
- 24 108 sessions, April 30, 2026 to October 2, 2026
- Largest daily move
- -10.8% close of May 18, 2026
- 1-month change
- -20.9% closing prices, September 2, 2026 to October 2, 2026
Company Description
Avalyn Pharma Inc. is a clinical-stage biopharmaceutical company developing inhaled medicines for serious, rare respiratory diseases. The company focuses on pulmonary fibrosis and other interstitial lung diseases, including idiopathic pulmonary fibrosis and progressive pulmonary fibrosis. Its common stock is listed on the Nasdaq Global Select Market under the ticker symbol AVLN.
Avalyn's pipeline is built around inhaled formulations of established antifibrotic drug classes. Its lead programs include AP01, an inhaled formulation of pirfenidone, and AP02, an inhaled formulation of nintedanib. The company is developing these candidates for pulmonary fibrosis indications where treatment is directed at lung tissue affected by progressive scarring and impaired respiratory function.
The company's development model centers on targeted delivery of antifibrotic therapy through inhalation. Avalyn's research activities include clinical studies, quantitative lung imaging, patient-reported quality-of-life measures, supportive care research, and work on how patients and caregivers experience inhaled treatment. Company news has also described the use of high-resolution computed tomography imaging in AP01 research and the evaluation of AP01 delivery and supportive care experiences in pulmonary fibrosis.
Avalyn reports one operating and reportable segment: the business of developing and commercializing targeted therapies for rare lung diseases. As a clinical-stage biopharmaceutical company, its operating activities are concentrated on drug development, clinical program execution, product development, medical research, and preparations associated with potential commercialization of respiratory therapies.
Avalyn became a Nasdaq-listed public company following the closing of its initial public offering of common stock. Its public-company profile includes capital-structure matters related to its listed shares, governance updates related to its board and leadership structure, and operating updates tied to its AP01 and AP02 programs.
Stock Performance
Avalyn Pharma (AVLN) closed at $28.13 on October 2, 2026. Over the past month, the price has lost 20.9%.
AVLN Metrics & Rankings
Price returns through October 2, 2026. Month-to-date and YTD include the first trading day. Ranking links may use different dates.
Latest News
Avalyn Pharma has 10 recent news articles. Of the recent coverage, 9 articles coincided with positive price movement and 1 with negative movement. Key topics include clinical trial, management, earnings. View all AVLN news →
SEC Filings
Avalyn Pharma has filed 10 recent SEC filings, including 4 Form 8-K, 2 Form SCHEDULE 13G, 1 Form 3, 1 Form 4. The most recent filing was submitted on September 17, 2026. SEC filings provide transparency into a company's financial condition, material events, and regulatory compliance. View all AVLN SEC filings →
Financial Highlights
Upcoming Events
AP03 Phase 1 start
AP03 Phase 1 start planned
AURA AP02 topline data
Topline 12-month results
MIST topline data
AURA topline results
AURA topline data
Avalyn Pharma has 7 upcoming scheduled events. The next event, "AP03 Phase 1 start", is scheduled for December 31, 2026 (in 88 days). Investors can track these dates to stay informed about potential catalysts that may affect the AVLN stock price.
Short Interest History
Short interest in Avalyn Pharma (AVLN) currently stands at 2.1 million shares, up 8.4% from the previous reporting period, representing 5.0% of the float. Since May 2026, short interest has increased by 272.2%.
Days to Cover History
Days to cover for Avalyn Pharma (AVLN) currently stands at 9.6 days, down 15.7% from the previous period. The ratio is the reported short interest divided by the average daily trading volume. Since May 2026, the figure has increased by 608.1%. Across the settlements charted above, it has ranged from 1.4 to 11.3 days.
AVLN Company Profile & Sector Positioning
Avalyn Pharma (AVLN) operates in the Biotechnology industry within the broader Healthcare sector and is listed on the NASDAQ.