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GOSS Overview

-
$
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
0.204
Open
0.197
VWAP
0.20
Vol
2.34M
Mkt Cap
50.53M
Low
0.195
Amount
467.39K
EV/EBITDA(TTM)
--
Total Shares
234.70M
EV
150.08M
EV/OCF(TTM)
--
P/S(TTM)
0.89
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
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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
2026-03-23 (ET)
2026-03-23
09:10:00
U.S. Stock Futures Rise, Airline Stocks Benefit
select

News

Globenewswire
7.0
05-21Globenewswire
Reminder of Gossamer Bio Securities Class Action
  • Class Action Notice: Rosen Law Firm reminds investors who purchased Gossamer Bio securities between June 16, 2025, and February 20, 2026, to apply as lead plaintiffs by June 1, 2026, to participate in the class action and potentially receive compensation without any out-of-pocket costs.
  • Lawsuit Background: The lawsuit alleges that defendants made overwhelmingly positive statements about Gossamer's Phase 3 PROSERA study while concealing significant adverse facts regarding the study design, resulting in investor losses when the truth emerged.
  • Law Firm Credentials: Rosen Law Firm specializes in securities class actions and has recovered over $438 million for investors in 2019 alone, being ranked first in 2017 for the number of securities class action settlements, showcasing its strong reputation in this field.
  • Investor Selection Advice: Investors are advised to carefully select qualified counsel with a proven track record, avoiding firms that merely act as intermediaries, to ensure they receive the best legal support and potential compensation in the class action.
Globenewswire
7.0
05-21Globenewswire
Class Action Lawsuit Filed Against Gossamer Bio, Inc.
  • Lawsuit Background: Bronstein, Gewirtz & Grossman has filed a class action lawsuit against Gossamer Bio, alleging violations of federal securities laws on behalf of all investors who purchased Gossamer securities between June 16, 2025, and February 20, 2026.
  • False Statements Allegation: The complaint claims that Gossamer misled investors by touting positive results from its PROSERA study while concealing significant adverse facts regarding the study's design at Latin American sites, resulting in artificially inflated stock prices that harmed investors.
  • Investor Action: Affected investors have until June 1, 2026, to request to be appointed as lead plaintiff, with the law firm operating on a contingency fee basis, ensuring no upfront costs for investors wishing to join the lawsuit.
  • Law Firm Credentials: Bronstein, Gewirtz & Grossman is recognized for recovering hundreds of millions for investors in securities fraud class actions, emphasizing its commitment to restoring investor capital and ensuring corporate accountability in the marketplace.
Globenewswire
7.0
05-21Globenewswire
Gossamer Bio Faces Class Action Lawsuit
  • Class Action Reminder: The Schall Law Firm alerts 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, for participation.
  • False Statement Allegations: 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 serious deficiencies in the company's disclosure practices that could impact future stock performance and investor confidence.
  • Legal Consultation Opportunity: The Schall Law Firm offers free consultations, encouraging affected shareholders to reach out to discuss their rights, demonstrating the firm's commitment to protecting investor interests while highlighting the potential legal risks facing Gossamer.
Globenewswire
7.0
05-19Globenewswire
Multiple Companies Facing Class Action Lawsuits
  • Pinterest Lawsuit Overview: Pinterest, Inc. is facing allegations of false statements during the class period from February 7, 2025, to February 12, 2026, which may lead to significant revenue losses and potential restructuring, with a lead plaintiff deadline of May 29, 2026.
  • New Era Energy Allegations: New Era Energy & Digital, Inc. is accused of overstating progress on its Texas data center project and engaging in fraudulent schemes from November 6, 2024, to December 29, 2025, with a lead plaintiff deadline of June 1, 2026.
  • Gossamer Bio Lawsuit Details: Gossamer Bio, Inc. faces claims of failing to disclose the failure of its clinical trial from June 16, 2025, to February 20, 2026, misleading investors about the company's prospects, with a lead plaintiff deadline of June 1, 2026.
  • Medpace Holdings Lawsuit Information: Medpace Holdings, Inc. is accused of making false statements regarding its financial metrics from April 22, 2025, to February 9, 2026, with a lead plaintiff deadline of June 8, 2026, potentially impacting the company's future financing capabilities.
Globenewswire
7.0
05-19Globenewswire
Class Action Lawsuits Filed Against Gossamer Bio and Others
  • Class Action Overview: The Law Offices of Frank R. Cruz remind investors that class action lawsuits have been filed against companies like Gossamer Bio, urging affected shareholders to file lead plaintiff motions by the specified deadlines to protect their legal rights.
  • Gossamer Bio Allegations: During the period from June 16, 2025, to February 20, 2026, Gossamer Bio is accused of failing to disclose critical issues in its clinical trials, resulting in its Phase 3 PROSERA study not meeting primary endpoints, which negatively impacted investor confidence.
  • New Era Energy Allegations: From November 6, 2024, to December 29, 2025, New Era Energy is alleged to have overstated progress on its Texas Critical Data Centers project and engaged in fraudulent schemes, leading to misleading financial results that affected shareholders.
  • Medpace Holdings Allegations: During the period from April 22, 2025, to February 9, 2026, Medpace Holdings is accused of overstating its projected book-to-bill ratio for Q4 2025 and failing to adequately assess the impact of cancellations on its business, misleading investors about its operational health.
PRnewswire
7.0
05-19PRnewswire
Reminder for Gossamer Bio Securities Class Action
  • Class Action Notice: Rosen Law Firm reminds investors who purchased Gossamer Bio securities between June 16, 2025, and February 20, 2026, to apply as lead plaintiffs by June 1, 2026, to participate in the class action and seek compensation.
  • Fee Arrangement: Investors joining the class action will incur no upfront costs, as the law firm operates on a contingency fee basis, which alleviates financial burdens and encourages more victims to participate.
  • Lawsuit Background: The lawsuit alleges that Gossamer Bio provided overly optimistic statements while concealing significant adverse facts regarding the study design of its Phase 3 PROSERA study, resulting in investor losses when the truth emerged.
  • Law Firm Credentials: Rosen Law Firm specializes in securities class actions and has achieved the largest securities class action settlement against a Chinese company, demonstrating its expertise and success in the field, which enhances investor confidence in their representation.
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
New
Reason
Goldman Sachs
Paul Choi
Price Target
AI Analysis
2026-05-20
New
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
New
Reason
Barclays
Eliana Merle
Price Target
2026-05-19
New
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
Unlock Now

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
-1.13
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
-2.30
Current EV/EBITDA
-1.54
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
13.24
Current PS
0.96
Overvalued PS
68.38
Undervalued PS
-41.89

Financials

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Whales Holding GOSS

A
Artal Group S.A.
Holding
GOSS
+9.32%
3M Return
R
Rock Springs Capital Management LP
Holding
GOSS
+3.65%
3M Return
N
New Enterprise Associates, Inc.
Holding
GOSS
+1.67%
3M Return

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Frequently Asked Questions

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

The current price of GOSS is 0.1987 USD — it has decreased -1

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 May 22 2026.

What is Gossamer Bio Inc (GOSS) market cap?

Today GOSS has the market capitalization of 50.53M USD.