0.22
price up icon4.71%   0.0099
pre-market  Pre-market:  .22  
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Gossamer Bio Inc stock is traded at $0.22, with a volume of 13.16M. It is up +4.71% in the last 24 hours and down -39.34% over the past month. Gossamer Bio Inc is a clinical-stage biopharmaceutical company. It focuses on discovering, acquiring, developing, and commercializing therapeutics in the disease areas of immunology, inflammation, and oncology. The company pipeline products include Seralutinib, which address the cellular overgrowth, fibrosis, and vascular remodeling which underlie PAH (pulmonary arterial hypertension).
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Previous Close:
$0.2101
Open:
$0.219
24h Volume:
13.16M
Relative Volume:
0.77
Market Cap:
$51.63M
Revenue:
$48.47M
Net Income/Loss:
$-170.37M
P/E Ratio:
-0.2934
EPS:
-0.7499
Net Cash Flow:
$-171.35M
1W Performance:
+10.50%
1M Performance:
-39.34%
6M Performance:
-93.41%
1Y Performance:
-81.67%
1-Day Range:
Value
$0.2112
$0.2388
1-Week Range:
Value
$0.19
$0.24
52-Week Range:
Value
$0.1626
$3.87

Gossamer Bio Inc Stock (GOSS) Company Profile

Name
Name
Gossamer Bio Inc
Name
Phone
(858) 684-1300
Name
Address
3115 MERRYFIELD ROW, SAN DIEGO, CA
Name
Employee
162
Name
Twitter
@GossamerBio
Name
Next Earnings Date
2026-05-21
Name
Latest SEC Filings
Name
GOSS's Discussions on Twitter

Compare GOSS vs VRTX, REGN, ARGX, ALNY, RVMD

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
GOSS icon
GOSS
Gossamer Bio Inc
0.22 49.31M 48.47M -170.37M -171.35M -0.7499
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
435.93 110.28B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
634.62 66.98B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
808.43 50.15B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
295.50 39.71B 4.29B 577.22M 641.34M 4.2086
RVMD icon
RVMD
Revolution Medicines Inc
154.89 32.22B 742.00K -1.37B -1.07B -7.0731

Gossamer Bio Inc Stock (GOSS) Upgrades & Downgrades

Date Action Analyst Rating Change
Mar-23-26 Downgrade Cantor Fitzgerald Overweight → Neutral
Feb-24-26 Downgrade Barclays Overweight → Equal Weight
Feb-24-26 Downgrade Leerink Partners Outperform → Market Perform
Feb-24-26 Downgrade Wedbush Outperform → Neutral
Jan-28-26 Initiated Barclays Overweight
Sep-10-25 Upgrade UBS Neutral → Buy
Jul-14-25 Initiated Scotiabank Sector Outperform
Jun-25-24 Initiated Oppenheimer Outperform
Apr-05-24 Resumed Wedbush Outperform
Jul-27-23 Downgrade UBS Buy → Neutral
Mar-07-23 Downgrade Raymond James Outperform → Mkt Perform
Mar-01-23 Initiated Guggenheim Neutral
Dec-07-22 Downgrade Barclays Overweight → Equal Weight
Dec-07-22 Downgrade JP Morgan Neutral → Underweight
Dec-07-22 Downgrade SMBC Nikko Outperform → Neutral
Oct-20-22 Initiated Goldman Buy
Sep-21-22 Initiated JP Morgan Neutral
Sep-19-22 Initiated Wedbush Outperform
Apr-18-22 Initiated Raymond James Outperform
Apr-06-22 Initiated UBS Buy
Jan-10-22 Upgrade SMBC Nikko Neutral → Outperform
Nov-09-21 Resumed Cantor Fitzgerald Overweight
Sep-21-21 Resumed Piper Sandler Overweight
Jun-29-20 Initiated H.C. Wainwright Buy
Apr-22-20 Initiated Piper Sandler Overweight
Feb-27-20 Initiated Barclays Overweight
Dec-03-19 Resumed BofA/Merrill Buy
Oct-30-19 Initiated Berenberg Buy
Mar-05-19 Initiated Barclays Overweight
Mar-05-19 Initiated BofA/Merrill Buy
Mar-05-19 Initiated Evercore ISI Outperform
Mar-05-19 Initiated SVB Leerink Outperform
View All

Gossamer Bio Inc Stock (GOSS) Latest News

pulisher
03:42 AM

GOSS Investors Have Opportunity to Lead Gossamer Bio, Inc. Securities Fraud Lawsuit with the Schall Law Firm - PR Newswire

03:42 AM
pulisher
May 26, 2026

GOSS Reiterates by HC Wainwright & Co. -- Price Target Maintained at $5.00 - GuruFocus

May 26, 2026
pulisher
May 26, 2026

Bragar Eagel & Squire, P.C. Urges Gossamer Bio, Inc. - GlobeNewswire

May 26, 2026
pulisher
May 26, 2026

Portnoy Law Firm Announces Class Action on Behalf of Gossamer Bio, Inc. Investors - GlobeNewswire

May 26, 2026
pulisher
May 26, 2026

GOSS Shareholder Alert: Investors With Losses May Seek to Lead the Class Action in Gossamer Bio, Inc. Securities LawsuitContact The Gross Law Firm - PR Newswire

May 26, 2026
pulisher
May 26, 2026

GOSS 6-DAY DEADLINE ALERT: Gossamer Bio Investors With Losses May Seek to Lead the Class Action After Executives Allegedly Concealed Placebo Risk: HBSS – Company AnnouncementFT.com - Financial Times

May 26, 2026
pulisher
May 25, 2026

Bronstein, Gewirtz & Grossman LLC Urges Gossamer Bio, Inc. Investors to Act: Class Action Filed Alleging Investor Harm - GlobeNewswire Inc.

May 25, 2026
pulisher
May 25, 2026

GOSS Stockholders Have Opportunity to Lead Gossamer Bio, Inc. Class Action Lawsuit – Contact Bronstein, Gewirtz and Grossman, LLC Today! - ACCESS Newswire

May 25, 2026
pulisher
May 24, 2026

GOSSAMER DEADLINE: ROSEN, A LEADING INVESTOR RIGHTS LAW FIRM, Encourages Gossamer Bio, Inc. ... - Caledonian Record

May 24, 2026
pulisher
May 24, 2026

GOSSAMER DEADLINE: ROSEN, A LEADING INVESTOR RIGHTS LAW - GlobeNewswire

May 24, 2026
pulisher
May 24, 2026

GOSS UPCOMING DEADLINE: Faruqi & Faruqi, LLP Reminds Gossamer Bio (GOSS) Investors of Securities Class Action Deadline on June 1, 2026 - TMX Newsfile

May 24, 2026
pulisher
May 23, 2026

GOSS SHAREHOLDER ACTION REMINDER: Faruqi & Faruqi, LLP Reminds Gossamer Bio (GOSS) Investors of Securities Class Action Deadline on June 1, 2026 - TMX Newsfile

May 23, 2026
pulisher
May 23, 2026

Gossamer Bio, Inc. (GOSS) Faces Securities Class Action Amid 80% Drop On Phase 3 PROSERA Trial Failure- HBSS - TradingView

May 23, 2026
pulisher
May 23, 2026

GOSS 10-DAY DEADLINE ALERT: Gossamer Bio Investors With Losses Ma - The National Law Review

May 23, 2026
pulisher
May 22, 2026

GOSS Investor AlertGossamer Bio, Inc. Stockholders with Large Losses Should Contact Robbins LLP for Information About the Securities Fraud Class Action Lawsuit - PR Newswire

May 22, 2026
pulisher
May 22, 2026

Gossamer Bio, Inc. (GOSS) Shareholders Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit - PR Newswire

May 22, 2026
pulisher
May 22, 2026

GOSS CLASS ACTION NOTICE: Faruqi & Faruqi, LLP Reminds Gossamer Bio (GOSS) Investors of Securities Class Action Deadline on June 1, 2026 - TMX Newsfile

May 22, 2026
pulisher
May 22, 2026

GOSS Investors Have Opportunity to Lead Gossamer Bio, Inc. Class Action Lawsuit – Contact Bronstein, Gewirtz and Grossman, LLC Today! - ACCESS Newswire

May 22, 2026
pulisher
May 21, 2026

GOSSAMER DEADLINE: ROSEN, TRUSTED INVESTOR COUNSEL, Encourages Gossamer Bio, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important Deadline in Securities Class ActionGOSS - TMX Newsfile

May 21, 2026
pulisher
May 21, 2026

Earnings call transcript: Gossamer Bio Q1 2026 sees revenue beat, EPS miss - Investing.com UK

May 21, 2026
pulisher
May 21, 2026

Gossamer Bio, Inc. 2026 Q1ResultsEarnings Call Presentation (NASDAQ:GOSS) 2026-05-21 - Seeking Alpha

May 21, 2026
pulisher
May 21, 2026

GOSS Investor Alert: Gossamer Bio Securities Fraud LawsuitInv - GuruFocus

May 21, 2026
pulisher
May 21, 2026

Bronstein, Gewirtz & Grossman LLC Urges Gossamer Bio, Inc. - GlobeNewswire

May 21, 2026
pulisher
May 21, 2026

GOSSAMER BIO, INC. (GOSS) CLASS ACTION DEADLINE APPROACHING: Berger Montague Advises Investors to Inquire About a Securities Fraud Class Action by June 1, 2026 - marketscreener.com

May 21, 2026
pulisher
May 21, 2026

symbol__ Stock Quote Price and Forecast - CNN

May 21, 2026
pulisher
May 21, 2026

GOSS News | GOSSAMER BIO INC (NASDAQ:GOSS) - ChartMill

May 21, 2026
pulisher
May 20, 2026

ROSEN, SKILLED INVESTOR COUNSEL, Encourages Gossamer Bio, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class ActionGOSS - TMX Newsfile

May 20, 2026
pulisher
May 20, 2026

Goldman Sachs Adjusts Outlook for Gossamer Bio (GOSS) - GuruFocus

May 20, 2026
pulisher
May 20, 2026

Robbins LLP Reminds GOSS Investors of the Pending Class - GlobeNewswire

May 20, 2026
pulisher
May 20, 2026

Gossamer Bio, Inc. (NASDAQ:GOSS) Q1 2026 Earnings Call Transcript - Insider Monkey

May 20, 2026
pulisher
May 20, 2026

Lead Plaintiff Deadlines in Shareholder Class Action - GlobeNewswire

May 20, 2026
pulisher
May 19, 2026

ROSEN, A LEADING AND TOP RANKED LAW FIRM, Encourages Gossamer Bio, Inc. Investors to Secure Counsel Before Important Deadline in Securities Class ActionGOSS - TMX Newsfile

May 19, 2026
pulisher
May 19, 2026

Wedbush Maintains Gossamer Bio(GOSS.US) With Hold Rating, Maintains Target Price $1 - Moomoo

May 19, 2026
pulisher
May 19, 2026

GOSS Maintained by Barclays -- Price Target Lowered to $0.28 - GuruFocus

May 19, 2026
pulisher
May 19, 2026

Gossamer Bio, Inc. (GOSS) Faces Securities Class Action - GlobeNewswire

May 19, 2026
pulisher
May 19, 2026

The Gross Law Firm Reminds Gossamer Bio, Inc. Investors of the Pending Class Action Lawsuit With a Lead Plaintiff Deadline of June 1, 2026GOSS - PR Newswire

May 19, 2026
pulisher
May 19, 2026

Gossamer Bio Reports Q1 2026 Results: Full Earnings Call Transcript - Sahm

May 19, 2026
pulisher
May 19, 2026

GOSS 2-WEEK DEADLINE ALERT: Gossamer Bio Investors With Losses May Seek to Lead the Class Action After Executives Allegedly Concealed Placebo Risk: HBSS - Sahm

May 19, 2026
pulisher
May 19, 2026

Is Gossamer Bio (GOSS) Undervalued After Q1 2026? EPS -$0.20 (mi - GuruFocus

May 19, 2026
pulisher
May 19, 2026

GOSS Investors Have Opportunity to Lead Gossamer Bio, Inc. Securities Fraud Lawsuit - GuruFocus

May 19, 2026
pulisher
May 19, 2026

Gossamer Bio (GOSS) Reports Mixed Results for PROSERA in Q1 2026 Earnings Call - GuruFocus

May 19, 2026
pulisher
May 19, 2026

Key facts: Gossamer Bio voting deals; PROSERA benefit; Q1 loss $46.7M - TradingView

May 19, 2026
pulisher
May 19, 2026

GOSS Stock Chart | GOSSAMER BIO INC (NASDAQ:GOSS) - ChartMill

May 19, 2026
pulisher
May 19, 2026

GOSS Reports $99.2 Million in Cash Reserves for Future Operations - GuruFocus

May 19, 2026
pulisher
May 19, 2026

Gossamer Bio Q1 Net Loss Expands; Eyes On The Pre-NDA Meeting With FDA For Seralutinib W In Mid-June - RTTNews

May 19, 2026
pulisher
May 18, 2026

ROSEN, TRUSTED INVESTOR COUNSEL, Encourages Gossamer Bio, Inc. Investors to Secure Counsel ... - Caledonian Record

May 18, 2026
pulisher
May 18, 2026

Latham Represents Gossamer Bio Inc in Exchange Offer and Consent Solicitation Transaction - Latham & Watkins LLP

May 18, 2026
pulisher
May 18, 2026

Gossamer targets September 2026 seralutinib NDA filing with potential Q3 2027 approval - MSN

May 18, 2026
pulisher
May 18, 2026

GOSS UPCOMING DEADLINE: Faruqi & Faruqi, LLP Reminds Gossamer Bi - GuruFocus

May 18, 2026
pulisher
May 18, 2026

Gossamer Bio Q1 2026 Deep Dive: EPS Misses by 17.6%, Revenue Up 72% - AlphaStreet

May 18, 2026
pulisher
May 18, 2026

GOSS 2-WEEK DEADLINE ALERT: Gossamer Bio Investors With Losses M - GuruFocus

May 18, 2026

Gossamer Bio Inc Stock (GOSS) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$29.66
price down icon 0.98%
$92.25
price up icon 0.12%
$108.87
price up icon 2.48%
$53.86
price down icon 1.17%
ONC ONC
$302.44
price down icon 2.52%
$154.89
price up icon 2.20%
Cap:     |  Volume (24h):