Gossamer Bio, Inc. (GOSS)

NASDAQ: GOSS · Real-Time Price · USD
0.344
-0.005 (-1.29%)
Apr 28, 2026, 4:00 PM EDT - Market closed
-1.29%
Market Cap 80.74M
Revenue (ttm) 48.47M
Net Income (ttm) -170.37M
Shares Out 234.70M
EPS (ttm) -0.75
PE Ratio n/a
Forward PE n/a
Dividend n/a
Ex-Dividend Date n/a
Volume 7,636,582
Open 0.341
Previous Close 0.349
Day's Range 0.327 - 0.346
52-Week Range 0.320 - 3.870
Beta 2.16
Analysts Buy
Price Target 4.19 (+1,118.02%)
Earnings Date May 14, 2026

About GOSS

Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on developing and commercializing seralutinib for the treatment of pulmonary hypertension and pulmonary arterial hypertension in the United States. The company develops 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 comp... [Read more]

Industry Biotechnology
Sector Healthcare
IPO Date Feb 8, 2019
Employees 162
Stock Exchange NASDAQ
Ticker Symbol GOSS
Full Company Profile

Financial Performance

In 2025, Gossamer Bio's revenue was $48.47 million, a decrease of -57.74% compared to the previous year's $114.70 million. Losses were -$170.37 million, 201.4% more than in 2024.

Financial Statements

Analyst Forecast

According to 8 analysts, the average rating for GOSS stock is "Buy." The 12-month stock price target is $4.19, which is an increase of 1,118.02% from the latest price.

Price Target
$4.19
(1,118.02% upside)
Analyst Consensus: Buy
Stock Forecasts

News

GOSS Stockholders Have Rights – If You Lost Money Investing in Gossamer Bio, Inc. Contact Robbins LLP for Information About Recovering Your Losses

SAN DIEGO, April 20, 2026 (GLOBE NEWSWIRE) -- Robbins LLP reminds stockholders that a class action was filed on behalf of all investors who purchased or otherwise acquired Gossamer Bio, Inc. (NASDAQ: ...

7 days ago - GlobeNewsWire

Gossamer Bio, Inc. (GOSS) Securities Fraud: Contact Berger Montague To Discuss Your Rights

Philadelphia, Pennsylvania--(Newsfile Corp. - April 20, 2026) - National plaintiffs' law firm Berger Montague PC announces a class action lawsuit against Gossamer Bio, Inc. (NASDAQ: GOSS) ("Gossamer" ...

8 days ago - Newsfile Corp

Shareholders who lost money in Gossamer Bio, Inc (NASDAQ: GOSS) Should Contact Wolf Haldenstein Immediately

NEW YORK, April 13, 2026 (GLOBE NEWSWIRE) -- Wolf Haldenstein Adler Freeman & Herz LLP announces that a class action lawsuit has been filed on behalf of shareholders who purchased or otherwise acquire...

15 days ago - GlobeNewsWire

Gossamer Bio Announces Fourth Quarter and Full-Year 2025 Financial Results and Provides Corporate Update

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 hyper...

6 weeks ago - Business Wire

Top 3 Health Care Stocks That Could Lead To Your Biggest Gains In Q1

The most oversold stocks in the health care sector presents an opportunity to buy into undervalued companies.

Other symbols: BWAYDH
7 weeks ago - Benzinga

GOSS Investors Have Opportunity to Join Gossamer Bio, Inc. Fraud Investigation with the Schall Law Firm

LOS ANGELES--(BUSINESS WIRE)---- $GOSS--GOSS Investors Have Opportunity to Join Gossamer Bio, Inc. Fraud Investigation with the Schall Law Firm.

2 months ago - Business Wire

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.

2 months 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...

2 months 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...

2 months ago - Benzinga

Gossamer Bio Transcript: Study result

The PROSERA phase III trial in PAH showed seralutinib improved 6MWD but narrowly missed statistical significance in the overall population due to a high placebo response, especially in Latin America. Clinically meaningful and statistically significant benefits were observed in high-risk and CTD subgroups, with a manageable safety profile.

2 months ago - Transcripts

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.

2 months 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...

2 months 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...

3 months 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...

5 months ago - Business Wire

Gossamer Bio Transcript: Guggenheim Securities 2nd Annual Healthcare Innovation Conference

Seralutinib’s phase 3 Prosera trial is set for a key data readout in February, with a focus on sicker patients and a differentiated safety profile. Commercial launch is targeted for late Q2 2027, with expansion into PH-ILD and a strengthened pipeline through recent asset acquisition.

6 months ago - Transcripts

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...

6 months ago - Business Wire

Gossamer Bio Transcript: Emerging Growth Conference

Major phase 3 data for seralutinib in PAH is expected in February, with a second phase 3 in PH-ILD planned by year-end, targeting a combined market over $20 billion. Seralutinib's strong safety and efficacy profile, plus the addition of RT234, positions the pipeline for global leadership.

6 months ago - Transcripts

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...

7 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...

7 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...

7 months ago - Business Wire

Gossamer Bio Transcript: Cantor Global Healthcare Conference 2025

Transitioning to commercialization, the company is preparing for a 2027 launch of seralutinib, with robust phase 3 trials in PAH and PH-ILD. Strong efficacy, safety, and operational synergies are expected to support market entry and expansion into new indications.

8 months ago - Transcripts

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...

8 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...

9 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...

11 months ago - Business Wire

Gossamer Bio Transcript: Emerging Growth Conference 82

Copperwood is advancing toward construction with full permits, detailed engineering, and strong community and legislative support. Environmental mitigation and metallurgical testing are underway, with project financing targeted for early 2026 and new federal funding opportunities expected.

1 year ago - Transcripts