INVESTOR NOTICE: Gossamer Bio, Inc. (GOSS) Investors with Substantial Losses Have Opportunity to Lead Investor Class Action– Hagens Berman
Gossamer Bio, Inc. (GOSS)
Last gossamer bio, inc. earnings: 3/24 07:00 am
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Source: GlobeNewswire
SAN FRANCISCO, April 20, 2026 (GLOBE NEWSWIRE) -- A securities class action lawsuit has been filed against Gossamer Bio, Inc. (NASDAQ: GOSS) and an executive, seeking to represent investors who purchased or otherwise acquired Gossamer securities between June 16, 2025, and February 20, 2026. The lawsuit follows Gossamer’s bombshell announcement on February 23, 2026 that top-line results for its Phase 3 PROSERA study did not meet the primary endpoint (the change from baseline in six-minute-walk distance at week 24). The study evaluated seralutinib for the treatment of pulmonary arterial hypertension (“PAH”). The developments, including the trial failure and 80% stock drop, prompted national shareholder rights firm Hagens Berman to commence an investigation into the alleged pending claims that Gossamer violated federal securities laws. The firm encourages Gossamer investors who suffered substantial losses on Class Period GOSS investments to submit your losses now. The firm also enco
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GOSS
News
- GOSS Investors Have Opportunity to Lead Gossamer Bio, Inc. Securities Fraud Lawsuit with the Schall Law FirmGlobeNewswire
- GOSS Shareholder Alert: Investors With Losses May Seek to Lead the Class Action in Gossamer Bio, Inc. Securities Lawsuit — The Gross Law FirmGlobeNewswire
- Gossamer Bio, Inc. (GOSS) Faces Securities Class Action Amid 80% Drop On Phase 3 PROSERA Trial Failure- Hagens BermanPR Newswire
- Bronstein, Gewirtz & Grossman LLC Urges Gossamer Bio, Inc. Investors to Act: Class Action Filed Alleging Investor HarmGlobeNewswire
- INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Gossamer Bio, Inc. of Class Action Lawsuit and Upcoming Deadlines - GOSSPR Newswire
GOSS
Earnings
- 3/17/26 - Miss
GOSS
Sec Filings
- 4/9/26 - Form 8-K
- 3/27/26 - Form SCHEDULE
- 3/24/26 - Form SCHEDULE
- GOSS's page on the SEC website