GOSS

Gossamer Bio Inc
NASDAQHEALTHCAREBIOTECHNOLOGY

Key Statistics

Market Cap
$86.77M
P/E Ratio
EPS
$-0.74
Beta
2.04
52W High
$3.87
52W Low
$0.14
50-Day MA
$0.23
200-Day MA
$1.61
Dividend Yield
Profit Margin
0.00%
Forward P/E
PEG Ratio

About Gossamer Bio Inc

Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on discovering, acquiring, developing, and commercializing therapies in the areas of immunology, inflammation, and oncology diseases in the United States. The company is headquartered in San Diego, California.

Official WebsiteUSAFY End: December

Fundamentals

Revenue (TTM)$55.54M
Gross Profit (TTM)$55.54M
EBITDA$-171.29M
Operating Margin-264.60%
Return on Equity-783.00%
Return on Assets-52.30%
Revenue/Share (TTM)$0.24
Book Value$-0.69
Price-to-Book2.66
Price-to-Sales (TTM)1.56
EV/Revenue3.392
EV/EBITDA-0.39
Quarterly Earnings Growth (YoY)0.00%
Quarterly Revenue Growth (YoY)71.50%
Shares Outstanding$488.85M
Float$137.91M
% Insiders1.52%
% Institutions73.57%

Historical Volatility

HV 10-Day
HV 20-Day
HV 30-Day
HV 60-Day
HV Rank

Analyst Ratings

Consensus ($3.86 target)
1
Strong Buy
1
Buy
4
Hold
1
Strong Sell

Latest News

Gossamer Bio, Inc. Announces Determination of Conversion Rate for 7.50% Convertible Senior Secured First Lien Notes due 2030 and Exercise Price for Purchase Warrants

SAN DIEGO--(BUSINESS WIRE)--Gossamer Bio, Inc. (NASDAQ: GOSS) (the “Company” or “Gossamer”), a biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that the initial conversion rate for its 7.50% Convertible Senior Secured First Lien Notes due 2030 (the “2030 Convertible Notes”) will be 5,347.5936 shares of t.

Business Wire7/1/2026Neutral
Gossamer Bio, Inc. Announces Final Tender Results for Exchange Offer and Consent Solicitation with Respect to Existing Convertible Notes

SAN DIEGO--(BUSINESS WIRE)--Gossamer Bio, Inc. (NASDAQ: GOSS) (the “Company” or “Gossamer”), a biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced the final tender results of its previously announced exchange offer (the “Exchange Offer”) to exchange any and all of its 5.00% Convertible Senior Notes due 202.

Business Wire6/17/2026Neutral
Gossamer Bio, Inc. Announces Early Tender Results and Early Settlement for Exchange Offer and Consent Solicitation with Respect to Existing Convertible Notes

SAN DIEGO--(BUSINESS WIRE)--Gossamer Bio, Inc. (NASDAQ: GOSS) (the “Company” or “Gossamer”), a biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced the early tender results of its previously announced exchange offer (the “Exchange Offer”) to exchange any and all of its 5.00% Convertible Senior Notes due 202.

Business Wire6/3/2026Neutral
Gossamer Bio, Inc. Announces Extension of Early Tender Date for Exchange Offer and Consent Solicitation with Respect to Existing Convertible Notes

SAN DIEGO--(BUSINESS WIRE)--Gossamer Bio, Inc. (NASDAQ: GOSS) (the “Company” or “Gossamer”), a biopharmaceutical company focused on the development and commercialization of seralutinib for the treatment of pulmonary arterial hypertension (PAH) and pulmonary hypertension associated with interstitial lung disease (PH-ILD), today announced that it has extended the early tender date (as extended, the “Extended Early Tender Date”) until 5:00 p.m., New York City time, on June 2, 2026 with respect to.

Business Wire6/2/2026Neutral
CLASS ACTION DEADLINE TONIGHT: Gossamer Bio (GOSS) Investors Who Suffered Losses Encouraged to Contact Faruqi & Faruqi Before June 1, 2026 Securities Class Action Deadline

NEW YORK--(BUSINESS WIRE)---- $GOSS #Bio--Faruqi & Faruqi, LLP, a leading national securities law firm, is investigating potential claims against Gossamer Bio, Inc. (“Gossamer” or the “Company”) (NASDAQ: GOSS) and reminds investors of the June 1, 2026 deadline to seek the role of lead plaintiff in a federal securities class action that has been filed against the Company.Faruqi & Faruqi is a leading national securities law firm with offices in New York, Pennsylvania, California and Georgia. The firm has.

Business Wire6/1/2026Neutral
Bronstein, Gewirtz & Grossman LLC Urges Gossamer Bio, Inc. Investors to Act: Class Action Filed Alleging Investor Harm

NEW YORK, June 01, 2026 (GLOBE NEWSWIRE) -- Bronstein, Gewirtz & Grossman, LLC, a nationally recognized investor-rights law firm, announces that a class action lawsuit has been filed against Gossamer Bio, Inc. (NASDAQ: GOSS) and certain of its officers. This lawsuit seeks to recover damages against Defendants for alleged violations of the federal securities laws on behalf of all persons and entities that purchased or otherwise acquired Gossamer securities between June 16, 2025 and February 20, 2026, both dates inclusive (the “Class Period”).

GlobeNewsWire6/1/2026Neutral
GOSS DEADLINE ALERT: Hagens Berman Alerts Gossamer Bio (GOSS) Investors to Today's Lead Plaintiff Deadline in Securities Class Action

SAN FRANCISCO, June 1, 2026 /PRNewswire/ -- A securities class action lawsuit has been filed against Gossamer Bio, Inc. (NASDAQ: GOSS) and an executive, seeking to represent investors who purchased or otherwise acquired Gossamer securities between June 16, 2025 and February 20, 2026. The lawsuit follows Gossamer's bombshell announcement on February 23, 2026 that top-line results for its Phase 3 PROSERA study did not meet the primary endpoint (the change from baseline in six-minute-walk distance at week 24).

PRNewsWire6/1/2026Neutral
Gossamer Bio, Inc. Sued for Securities Law Violations - Contact the DJS Law Group to Discuss Your Rights - GOSS

LOS ANGELES, June 1, 2026 /PRNewswire/ -- The DJS Law Group reminds investors of a class action lawsuit against Gossamer Bio, Inc. ("Gossamer" or "the Company") (NASDAQ: GOSS) violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Shareholders who purchased shares of GOSS during the class period listed are encouraged to contact the firm regarding possible lead plaintiff appointments.

PRNewsWire6/1/2026Neutral
GOSS Investors Have Opportunity to Lead Gossamer Bio, Inc. Securities Fraud Lawsuit with the Schall Law Firm

LOS ANGELES, May 31, 2026 (GLOBE NEWSWIRE) -- The Schall Law Firm , a national shareholder rights litigation firm, reminds investors of a class action lawsuit against Gossamer Bio, Inc. (“Gossamer” or “the Company”) (NASDAQ: GOSS) for violations of §§10(b) and 20(a) of the Securities Exchange Act of 1934 and Rule 10b-5 promulgated thereunder by the U.S. Securities and Exchange Commission. Investors who purchased the Company's securities between June 16, 2025 and February 20, 2026, inclusive (the “Class Period”), are encouraged to contact the firm before June 1, 2026.

GlobeNewsWire5/31/2026Neutral

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Data last updated: 7/9/2026