Gossamer Bio, Inc. (GOSS)

NASDAQ: GOSS · Real-Time Price · USD
0.425
+0.023 (5.70%)
At close: Feb 27, 2026, 4:00 PM EST
0.420
-0.005 (-1.20%)
After-hours: Feb 27, 2026, 7:59 PM EST
5.70%
Market Cap 98.35M
Revenue (ttm) 44.05M
Net Income (ttm) -156.16M
Shares Out 231.46M
EPS (ttm) -0.69
PE Ratio n/a
Forward PE n/a
Dividend n/a
Ex-Dividend Date n/a
Volume 27,492,070
Open 0.390
Previous Close 0.402
Day's Range 0.390 - 0.445
52-Week Range 0.331 - 3.870
Beta 1.95
Analysts Buy
Price Target 5.90 (+1,288.56%)
Earnings Date Mar 9, 2026

About GOSS

Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on developing and commercializing seralutinib for the treatment of pulmonary arterial hypertension (PAH) in the United States. The company is developing GB002, an inhaled, small molecule, platelet-derived growth factor receptor, or PDGFR, colony-stimulatin factor 1 receptor and c-KIT inhibitor, which is in Phase 3 clinical trial for the treatment of PAH. It has license agreements with Pulmokine, Inc. to develop and commercialize GB002 and related backup compounds. The compa... [Read more]

Industry Biotechnology
Sector Healthcare
IPO Date Feb 8, 2019
Employees 145
Stock Exchange NASDAQ
Ticker Symbol GOSS
Full Company Profile

Financial Performance

Financial Statements

Analyst Forecast

According to 8 analysts, the average rating for GOSS stock is "Buy." The 12-month stock price target is $5.9, which is an increase of 1,288.56% from the latest price.

Price Target
$5.9
(1,288.56% upside)
Analyst Consensus: Buy
Stock Forecasts

News

Gossamer Bio, Inc. (GOSS) Discusses Topline Results of PROSERA Phase 3 Study in Pulmonary Arterial Hypertension Transcript

Gossamer Bio, Inc. (GOSS) Discusses Topline Results of PROSERA Phase 3 Study in Pulmonary Arterial Hypertension Transcript

5 days ago - Seeking Alpha

BREAKING: Gossamer Bio Investors Should Contact Block & Leviton to Potentially Recover Losses After Shares Fall Over 75%

Block & Leviton is investigating Gossamer Bio, Inc. (Nasdaq: GOSS) for potential securities fraud. Investors should contact the firm to recover losses.

5 days ago - GlobeNewsWire

Gossamer Bio Shareholders Are Encouraged to Contact Johnson Fistel for More Information About Potentially Recovering Their Losses

SAN DIEGO, Feb. 23, 2026 (GLOBE NEWSWIRE) -- Johnson Fistel, PLLP is investigating potential claims on behalf of investors of Gossamer Bio, Inc. (NASDAQ: GOSS). The investigation focuses on Gossamer's...

6 days ago - GlobeNewsWire

Gossamer Bio Plans FDA Talks After Narrow Miss In Key Pivotal Study, Stock Sinks

Gossamer Bio Inc. (NASDAQ: GOSS) dropped during early trading on Monday after the company shared topline results from the Phase 3 PROSERA study evaluating seralutinib in pulmonary arterial hypertensio...

6 days ago - Benzinga

Gossamer Bio's experimental lung condition drug fails in late-stage trial

Gossamer Bio said on Monday its experimental drug missed the main goal of a late-stage study in patients with a serious lung and heart condition.

6 days ago - Reuters

Gossamer Bio Announces Topline Results from the Phase 3 PROSERA Study Evaluating Seralutinib in Pulmonary Arterial Hypertension

SAN DIEGO--(BUSINESS WIRE)--Gossamer Bio, Inc. (Nasdaq: GOSS) a biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypert...

6 days ago - Business Wire

Gossamer Bio Announces Inducement Grant Under Nasdaq Listing Rule 5635(c)(4)

SAN DIEGO--(BUSINESS WIRE)--Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pul...

7 weeks ago - Business Wire

Gossamer Bio to Participate in Upcoming Investor Conferences

SAN DIEGO--(BUSINESS WIRE)--Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pul...

3 months ago - Business Wire

Gossamer Bio Announces Third Quarter 2025 Financial Results and Provides Business Update

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatm...

4 months ago - Business Wire

Respira Therapeutics Enters into Agreement with Gossamer Bio (Gossamer) Granting Gossamer Option to Acquire Respira from Samsara BioCapital

- Transaction designed to accelerate development of RT234 (vardenafil Inhalation powder), an investigational first-in-class, as-needed (PRN) treatment for PAH and PH-ILD - PALO ALTO, Calif. , Sept. 25...

5 months ago - PRNewsWire

Gossamer Bio Enters into Option Agreement to Acquire Respira Therapeutics and Its Lead Candidate, RT234, an Inhaled, On‑Demand Vardenafil for Pulmonary Hypertension

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatm...

5 months ago - Business Wire

Gossamer Bio Announces Presentations at the European Respiratory Society (ERS) Congress 2025

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of...

5 months ago - Business Wire

Gossamer Bio: Bullish Ahead Of Seralutinib's Phase 3 Readout

GOSS's Seralutinib remains its main value driver. This is an inhaled TKI for PAH and PH-ILD. Seralutinib's PROSERA Phase 3 trial is now fully enrolled with 6MWD as its primary endpoint. We should get ...

6 months ago - Seeking Alpha

Gossamer Bio to Present at Upcoming Investor Conferences

SAN DIEGO--(BUSINESS WIRE)--Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pul...

6 months ago - Business Wire

Gossamer Bio Announces Second Quarter 2025 Financial Results and Provides Business Update

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatm...

7 months ago - Business Wire

Gossamer Bio Announces Completion of Enrollment in Registrational Phase 3 PROSERA Study for the Treatment of PAH

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatm...

9 months ago - Business Wire

Gossamer Bio, Inc. (GOSS) Q1 2025 Earnings Conference Call Transcript

Gossamer Bio, Inc. (NASDAQ:GOSS) Q1 2025 Earnings Conference Call May 15, 2025 4:30 PM ET Company Participants Bryan Giraudo - COO & CFO Faheem Hasnain - Co-Founder, CEO, President & Chairman Richard...

10 months ago - Seeking Alpha

Gossamer Bio Announces First Quarter 2025 Financial Results and Provides Business Update, Including Closure of New Patient Screening in Phase 3 PROSERA Study

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatm...

10 months ago - Business Wire

Gossamer Bio to Announce First Quarter 2025 Financial Results and Host Conference Call and Webcast on May 15, 2025

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatm...

10 months ago - Business Wire

Gossamer Bio to Present Preclinical Data at the American Thoracic Society (ATS) 2025 International Conference

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of...

10 months ago - Business Wire

Gossamer Bio Announces Fourth Quarter and Full-Year 2024 Financial Results and Provides Business Update

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a late-stage, clinical biopharmaceutical company focused on the development and commercialization of seralutinib for the treatm...

1 year ago - Business Wire

Gossamer Bio Is A Good Speculative Buy On Seralutinib For PAH And PH-ILD

Gossamer Bio develops Seralutinib, which is basically an inhaled TKI that targets vascular remodeling, inflammation, and fibrosis. This makes it ideal for treating PAH and PH-ILD. GOSS has so far prod...

1 year ago - Seeking Alpha

Gossamer Bio Presented Clinical and Preclinical Data at the Pulmonary Vascular Research Institute 2025 Annual Congress

SAN DIEGO--(BUSINESS WIRE)--Gossamer Bio, Inc. (Nasdaq: GOSS), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary...

1 year ago - Business Wire

Gossamer Bio to Present Clinical and Preclinical Data at the Pulmonary Vascular Research Institute 2025 Annual Congress

SAN DIEGO--(BUSINESS WIRE)--Gossamer Bio, Inc. (Nasdaq: GOSS), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary...

1 year ago - Business Wire

Gossamer Bio Announces Third Quarter 2024 Financial Results and Provides Business Update

SAN DIEGO--(BUSINESS WIRE)---- $GOSS--Gossamer Bio, Inc. (Nasdaq: GOSS), a clinical-stage biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of...

1 year ago - Business Wire