Gossamer Bio, Inc. (GOSS)

NASDAQ: GOSS · Real-Time Price · USD
0.3270
-0.0167 (-4.86%)
At close: May 8, 2026, 4:00 PM EDT
0.3316
+0.0046 (1.41%)
After-hours: May 8, 2026, 7:54 PM EDT
Market Cap76.75M -65.5%
Revenue (ttm)48.47M -57.7%
Net Income-170.37M
EPS-0.75
Shares Out 234.70M
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume3,392,857
Open0.3400
Previous Close0.3437
Day's Range0.3250 - 0.3493
52-Week Range0.3200 - 3.8700
Beta2.15
AnalystsBuy
Price Target4.19 (+1,181.35%)
Earnings DateMay 22, 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 Summary

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 1,181.35% from the latest price.

Price Target
$4.19
(1,181.35% 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: ...

18 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" ...

18 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...

26 days ago - GlobeNewsWire

Gossamer Bio downgraded to Neutral from Overweight at Cantor Fitzgerald

Cantor Fitzgerald on Friday downgraded Gossamer Bio (GOSS) to Neutral from Overweight without a price target The firm cites the negative Phase 3 readout for PROSERA and an unclear regulatory

6 weeks ago - TheFly

Gossamer Bio downgraded to Neutral from Overweight at Cantor Fitzgerald

Cantor Fitzgerald downgraded Gossamer Bio (GOSS) to Neutral from Overweight.

7 weeks ago - TheFly

Gossamer Bio reports Q4 EPS (21c), consensus (20c)

Reports Q4 revenue $13.799M, consensus $7.52M. “Following our PROSERA topline results, we are focused on fully understanding the PROSERA dataset, engaging with the FDA, and evaluating strategic option...

7 weeks ago - TheFly

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...

7 weeks ago - Business Wire

Gossamer Bio options imply 46.1% move in share price post-earnings

Pre-earnings options volume in Gossamer Bio (GOSS) is normal with puts leading calls 19:3. Implied volatility suggests the market is anticipating a move near 46.1%, or 0c, after results are

2 months ago - TheFly

Gossamer Bio price target lowered to $5 from $10 at H.C. Wainwright

H.C. Wainwright lowered the firm’s price target on Gossamer Bio (GOSS) to $5 from $10 and keeps a Buy rating on the shares. The firm reduced its probability of success

2 months ago - TheFly

Gossamer Bio price target lowered to $3 from $12 at Oppenheimer

Oppenheimer lowered the firm’s price target on Gossamer Bio (GOSS) to $3 from $12 and keeps an Outperform rating on the shares. The firm came away more positive on seralutinib/PAH,

2 months ago - TheFly

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

Gossamer Bio downgraded to Neutral from Buy at Goldman Sachs

Goldman Sachs downgraded Gossamer Bio (GOSS) to Neutral from Buy with a price target of 50c, down from $8. The firm notes the company’s Phase 3 PROSERA topline results, which

2 months ago - TheFly

Wedbush downgrades Gossamer Bio to Neutral, lowers target to $1

As previously reported, Wedbush downgraded Gossamer Bio (GOSS) to Neutral from Outperform with a price target of $1, down from $6. The firm notes that the PROSERA study results came

2 months ago - TheFly

Gossamer Bio downgraded to Neutral from Outperform at Wedbush

Wedbush downgraded Gossamer Bio (GOSS) to Neutral from Outperform with a price target of $1, down from $6.

2 months ago - TheFly

Gossamer Bio downgraded to Market Perform from Outperform at Leerink

Leerink last night downgraded Gossamer Bio (GOSS) to Market Perform from Outperform with a price target of $1, down from $6. The company announced “disappointing” Phase 3 PROSERA results, missing

2 months ago - TheFly

Gossamer Bio downgraded to Underweight from Overweight at Barclays

Barclays double downgraded Gossamer Bio (GOSS) to Underweight from Overweight with a price target of 30c, down from $9. The company’s Phase 3 pulmonary arterial hypertension highlights the challenges ...

2 months ago - TheFly

Gossamer Bio downgraded to Market Perform from Outperform at Leerink

Leerink downgraded Gossamer Bio (GOSS) to Market Perform from Outperform with a price target of $1, down from $6.

2 months ago - TheFly

Gossamer Bio downgraded to Market Perform from Outperform at Leerink

Leerink downgraded Gossamer Bio (GOSS) to Market Perform from Outperform with a price target of $1, down from $6.

2 months ago - TheFly

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 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...

4 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