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GOSS Overview

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$
0.000
0.000(0.000%)
At close
0.000(0.000%)Aft-market
ET
$
0.000
0.000(0.000%)
At close
0.000(0.000%)Aft-market
ET
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Intellectia

Loading chart...

High
0.180
Open
0.159
VWAP
0.17
Vol
22.66M
Mkt Cap
86.72M
Low
0.154
Amount
3.86M
EV/EBITDA(TTM)
--
Total Shares
488.85M
EV
175.81M
EV/OCF(TTM)
--
P/S(TTM)
0.65
Gossamer Bio, Inc. is a late-stage, clinical biopharmaceutical company, which is focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease (PH-ILD). Seralutinib, also known as GB002, is an investigational inhaled, small-molecule, platelet-derived growth factor receptor (PDGFR), colony-stimulating factor 1 receptor (CSF1R), and c-KIT inhibitor, being evaluated in a Phase III clinical trial for the treatment of PAH. Seralutinib is designed to target the mechanisms that underlie pulmonary hypertension and to be delivered to the site of disease, via dry powder inhaler. Seralutinib is being evaluated in a Phase III clinical trial for the treatment of pulmonary arterial hypertension (PAH). Inhaled seralutinib, which is designed to act on both isoforms of the PDGFR, α and β, as well as the CSF1R and c-KIT pathways.
Show More

Events Timeline

(ET)
2026-05-18
16:20:00
Stocks Open Mixed as Rising Oil Prices Raise Concerns
select
2026-05-18
12:10:00
U.S. Stocks Mostly Lower at Noon as Oil Prices Climb
select
2026-05-18
09:10:00
Surging Oil Prices Impact Stock Futures Volatility
select
2026-05-18
07:20:00
Gossamer Bio Launches Exchange Offer for Up to $72 Million
select
2026-05-18
07:10:00
Gossamer Bio Reports Q1 Revenue of $17M
select
2026-05-18
07:10:00
Cash and Cash Equivalents Total $99.2 Million
select

News

Yahoo Finance
5.0
06-11Yahoo Finance
Harbour BioMed Appoints Dr. Luisa Salter-Cid as Scientific Advisor
  • New Scientific Advisor: Harbour BioMed has appointed Dr. Luisa Salter-Cid as Scientific Advisor, bringing over 20 years of leadership experience in biotech and pharmaceuticals, which is expected to enrich the company's expertise and strategic direction.
  • Clinical Development Achievements: During her tenure at Bristol Myers Squibb, Salter-Cid successfully advanced over 20 compounds into clinical development, showcasing her exceptional ability to translate discoveries into clinical applications, which will help accelerate Harbour BioMed's antibody therapeutic pipeline.
  • Technological Platform Advantage: Harbour BioMed's Harbour Mice® technology platform generates fully human monoclonal antibodies, and combined with HCAb technology, it offers tumor-killing effects that traditional combination therapies cannot achieve, with Salter-Cid's expertise likely enhancing its application potential.
  • Global Medical Needs: Salter-Cid's strategic insights will assist Harbour BioMed in addressing unmet medical needs globally, driving the company's efforts in innovative drug development, thereby enhancing its market competitiveness and industry standing.
Globenewswire
7.0
06-01Globenewswire
Class Action Filed Against Gossamer Bio for Securities Violations
  • Class Action Initiated: Bronstein, Gewirtz & Grossman, LLC has announced a class action lawsuit against Gossamer Bio, seeking damages for investors who purchased securities between June 16, 2025, and February 20, 2026, indicating significant legal risks that could impact the company's stock performance.
  • Allegations of False Statements: The complaint alleges that Gossamer Bio concealed critical adverse facts regarding inadequate placebo control at Latin American testing sites while promoting positive results from its Phase 3 PROSERA study, leading investors to purchase shares at artificially inflated prices, potentially triggering a market trust crisis.
  • Investor Rights Protection: Investors are encouraged to apply to be lead plaintiffs by June 1, 2026, indicating that the legal process provides an opportunity for affected investors to recover losses, which may influence the company's future capital structure and investor confidence.
  • Law Firm Background: Bronstein, Gewirtz & Grossman, LLC is a nationally recognized firm that has recovered hundreds of millions for investors, showcasing its expertise in securities fraud cases, which may attract more investors to participate in the lawsuit.
Globenewswire
7.0
06-01Globenewswire
Class Action Lawsuits Reminder for Shareholders
  • Gossamer Bio Lawsuit: Gossamer Bio (NASDAQ:GOSS) faces a class action for failing to disclose that Latin American patients performed well on placebo, leading to the Phase 3 PROSERA study not meeting its primary endpoint, with shareholders encouraged to participate before the deadline.
  • New Era Energy Issues: New Era Energy & Digital (NASDAQ:NUAI) is accused of overstating progress on its Texas Critical Data Centers project and engaging in fraudulent schemes, prompting shareholders to act before the deadline.
  • Medpace Holdings Allegations: Medpace Holdings (NASDAQ:MEDP) is under scrutiny for misleading statements regarding its projected book-to-bill ratio for Q4 2025, with investors advised to participate in the lawsuit before the deadline.
  • Legal Consultation Advice: The Law Offices of Frank R. Cruz remind investors who suffered losses during the relevant periods to contact them to understand their legal rights and steps to participate in the class actions.
PRnewswire
7.0
06-01PRnewswire
Gossamer Bio Faces Securities Class Action Lawsuit
  • Lawsuit Background: Gossamer Bio, Inc. is facing a securities class action lawsuit following its February 23, 2026 announcement that the PROSERA study failed to meet its primary endpoint, involving investors who purchased securities between June 16, 2025, and February 20, 2026, indicating potential missteps in clinical trial design.
  • Stock Price Plunge: Following the lawsuit announcement, Gossamer's stock price plummeted by 80%, reflecting a severe loss of investor confidence in the company's future prospects, which may jeopardize its listing status on Nasdaq.
  • Investor Losses: Hagens Berman law firm is urging investors who suffered substantial losses during the class period to submit claims, suggesting that this event could trigger a wave of investor claims, further impacting the company's financial health.
  • Regulatory Scrutiny: The lawsuit alleges improper disclosures regarding trial design and patient recruitment, which may subject Gossamer to stricter regulatory scrutiny, affecting its future financing and market credibility.
Globenewswire
7.0
05-31Globenewswire
Gossamer Bio Faces Class Action Lawsuit Reminder
  • Class Action Reminder: The Schall Law Firm reminds investors of a class action lawsuit against Gossamer Bio for violations of §§10(b) and 20(a) of the Securities Exchange Act, concerning securities purchased between June 16, 2025, and February 20, 2026, with a deadline to contact the firm by June 1, 2026.
  • False Statements Allegation: The complaint alleges that Gossamer concealed adverse facts regarding the design of its Phase 3 PROSERA study, particularly concerning controls for placebo response at certain testing sites, rendering its public statements false and materially misleading throughout the class period.
  • Investor Losses: As the market learned the truth about Gossamer, investors suffered damages, indicating significant deficiencies in the company's disclosure practices that could adversely affect its future stock performance and investor confidence.
  • Legal Consultation Opportunity: The Schall Law Firm offers free consultations and encourages affected investors to take action before the class action is certified to ensure their rights are protected and to avoid being an absent class member.
Globenewswire
7.0
05-31Globenewswire
Gossamer Bio Faces Class Action Lawsuit Over Trial Failures
  • Lawsuit Background: Gossamer Bio, Inc. is facing a class action lawsuit following its February 23, 2026 announcement that the PROSERA study failed to meet its primary endpoint, involving investors who purchased securities between June 16, 2025, and February 20, 2026, indicating potential missteps in clinical trial design.
  • Stock Price Plunge: Following the trial failure announcement, Gossamer's stock plummeted by 80%, reflecting investor disappointment in the company's future prospects and prompting Hagens Berman to investigate possible violations of federal securities laws, which could lead to further legal liabilities.
  • Trial Design Issues: The lawsuit alleges that Gossamer misrepresented the PROSERA trial design, including patient recruitment and monitoring, as management previously claimed the drug had the potential to be a “first-in-class therapeutic,” but the actual results failed to support this assertion, potentially undermining investor confidence.
  • Nasdaq Compliance Risks: On April 9, 2026, Gossamer revealed that it had not met the minimum bid price requirement ($1) for continued listing on the Nasdaq Global Select Market since February 24, 2026, exacerbating investor concerns about the company's future and potentially impacting its ability to raise capital and maintain market position.
Wall Street analysts forecast GOSS stock price to rise
4 Analyst Rating
Wall Street analysts forecast GOSS stock price to rise
3 Buy
1 Hold
0 Sell
Strong Buy
Current: 0.000
sliders
Low
10.00
Averages
12.33
High
15.00
Current: 0.000
sliders
Low
10.00
Averages
12.33
High
15.00
Goldman Sachs
Paul Choi
suspended
AI Analysis
2026-05-20
Reason
Goldman Sachs
Paul Choi
Price Target
AI Analysis
2026-05-20
suspended
Reason
Goldman Sachs analyst Paul Choi suspended the firm's investment rating, price target, and earnings estimates for Gossamer Bio. Given the "going concern" warning within its financials and uncertainty of obtaining additional capital to fund operations, there is currently not sufficient basis for determining an investment rating, the analyst tells investors.
Barclays
Eliana Merle
Underweight
downgrade
2026-05-19
Reason
Barclays
Eliana Merle
Price Target
2026-05-19
downgrade
Underweight
Reason
Barclays analyst Eliana Merle lowered the firm's price target on Gossamer Bio to 28c from 30c and keeps an Underweight rating on the shares. The company's exchange offer for its 2027 notes reduced debt and extends maturity, which is positive, but is meaningfully equity dilutive, the analyst tells investors in a research note.
Unlock Full Analyst Thesis, Get the complete breakdown of rating reason for GOSS
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Valuation Metrics

The current forward P/E ratio for Gossamer Bio Inc (GOSS.O) is 0.00, compared to its 5-year average forward P/E of -2.49. For a more detailed relative valuation and DCF analysis to assess Gossamer Bio Inc's fair value, Click here.

Forward PE

The forward P/E ratio is a valuation metric that divides a company's current stock price by its estimated future earnings per share over the next 12 months.
StronglyUndervaluedUndervaluedFairOvervaluedStronglyOvervalueddotted line Image
N/A
5Y Average PE
-2.49
Current PE
0.00
Overvalued PE
-1.12
Undervalued PE
-3.85

Forward EV/EBITDA

The forward EV/EBITDA ratio is a valuation metric that divides a company's enterprise value (EV) by its estimated future earnings before interest, taxes, depreciation, and amortization (EBITDA) over the next 12 months.
StronglyUndervaluedUndervaluedFairOvervaluedStronglyOvervalueddotted line Image
N/A
5Y Average EV/EBITDA
-2.29
Current EV/EBITDA
-1.72
Overvalued EV/EBITDA
-0.45
Undervalued EV/EBITDA
-4.14

Forward PS

The forward P/S ratio is a valuation metric that divides a company's current stock price by its estimated future sales (or revenue) per share over the next 12 months.
StronglyUndervaluedUndervaluedFairOvervaluedStronglyOvervalueddotted line Image
N/A
5Y Average PS
9.14
Current PS
1.48
Overvalued PS
48.05
Undervalued PS
-29.77

Financials

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Whales Holding GOSS

R
Rock Springs Capital Management LP
Holding
GOSS
+10.32%
3M Return
A
Artal Group S.A.
Holding
GOSS
+3.20%
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N
New Enterprise Associates, Inc.
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GOSS
-7.06%
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Frequently Asked Questions

What is Gossamer Bio Inc (GOSS) stock price today?

The current price of GOSS is 0.1774 USD — it has increased 13.46

What is Gossamer Bio Inc (GOSS)'s business?

Gossamer Bio, Inc. is a late-stage, clinical biopharmaceutical company, which is focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension and pulmonary hypertension associated with interstitial lung disease (PH-ILD). Seralutinib, also known as GB002, is an investigational inhaled, small-molecule, platelet-derived growth factor receptor (PDGFR), colony-stimulating factor 1 receptor (CSF1R), and c-KIT inhibitor, being evaluated in a Phase III clinical trial for the treatment of PAH. Seralutinib is designed to target the mechanisms that underlie pulmonary hypertension and to be delivered to the site of disease, via dry powder inhaler. Seralutinib is being evaluated in a Phase III clinical trial for the treatment of pulmonary arterial hypertension (PAH). Inhaled seralutinib, which is designed to act on both isoforms of the PDGFR, α and β, as well as the CSF1R and c-KIT pathways.

What is the price predicton of GOSS Stock?

Wall Street analysts forecast GOSS stock price to rise over the next 12 months. According to Wall Street analysts, the average 1-year price target for GOSS is12.33 USD with a low forecast of 10.00 USD and a high forecast of 15.00 USD. However, analyst price targets are subjective and often lag stock prices, so investors should focus on the objective reasons behind analyst rating changes, which better reflect the company's fundamentals.

What is Gossamer Bio Inc (GOSS)'s revenue for the last quarter?

Gossamer Bio Inc revenue for the last quarter amounts to 16.95M USD, increased 71.45

What is Gossamer Bio Inc (GOSS)'s earnings per share (EPS) for the last quarter?

Gossamer Bio Inc. EPS for the last quarter amounts to -0.20 USD, increased 25.00

How many employees does Gossamer Bio Inc (GOSS). have?

Gossamer Bio Inc (GOSS) has 161 emplpoyees as of June 12 2026.

What is Gossamer Bio Inc (GOSS) market cap?

Today GOSS has the market capitalization of 86.72M USD.