0.167
price up icon3.15%   0.0051
pre-market  Pre-market:  .17   0.003   +1.80%
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Gossamer Bio Inc stock is traded at $0.167, with a volume of 16.12M. It is up +3.15% in the last 24 hours and down -50.88% 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:
$0.1619
Open:
$0.17
24h Volume:
16.12M
Relative Volume:
1.43
Market Cap:
$81.64M
Revenue:
$55.54M
Net Income/Loss:
$-180.40M
P/E Ratio:
-0.212
EPS:
-0.7877
Net Cash Flow:
$-170.32M
1W Performance:
+0.85%
1M Performance:
-50.88%
6M Performance:
-95.59%
1Y Performance:
-86.53%
1-Day Range:
Value
$0.1658
$0.18
1-Week Range:
Value
$0.14
$0.1835
52-Week Range:
Value
$0.14
$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
2026-08-04
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
0.167 81.64M 55.54M -180.40M -170.32M -0.7877
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
450.46 114.33B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
614.98 64.47B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
884.20 54.99B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
287.80 38.42B 4.29B 577.22M 641.34M 4.2086
RVMD icon
RVMD
Revolution Medicines Inc
160.06 34.03B 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
Jun 15, 2026

Context Capital Management, LLC Acquires Significant Stake in Go - GuruFocus

Jun 15, 2026
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Jun 14, 2026

Bronstein, Gewirtz & Grossman, LLC Encourages Gossamer Bio, Inc. (GOSS) Investors to Inquire about Securities Investigation - ACCESS Newswire

Jun 14, 2026
pulisher
Jun 14, 2026

Gossamer Bio Stock Plummeted 82% Today — What’s Behind The Crash? - Stocktwits

Jun 14, 2026
pulisher
Jun 11, 2026

D. E. Shaw (GOSS) discloses 9.5% stake after major exchange offer - Stock Titan

Jun 11, 2026
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Jun 11, 2026

David E. Shaw Discloses Investment at Gossamer Bio with 9.5% Stake - TradingView

Jun 11, 2026
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Jun 11, 2026

[SCHEDULE 13G] Gossamer Bio, Inc. Passive Investment Disclosure (>5%) - Stock Titan

Jun 11, 2026
pulisher
Jun 11, 2026

683 Capital reports 49.87M-share position in Gossamer Bio (NASDAQ: GOSS) - Stock Titan

Jun 11, 2026
pulisher
Jun 11, 2026

Bronstein, Gewirtz & Grossman, LLC Initiates an Investigation into Allegations Against Gossamer Bio, Inc. (GOSS) And Encourages Investors to Reach Out - ACCESS Newswire

Jun 11, 2026
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Jun 11, 2026

2026-06-11 | Bronstein, Gewirtz & Grossman, LLC Initiates an Investigation into Allegations Against Gossamer Bio, Inc. (GOSS) And Encourages Investors to Reach Out | NDAQ:GOSS | Press Release - Stockhouse

Jun 11, 2026
pulisher
Jun 09, 2026

Massive recapitalization at Gossamer Bio (NASDAQ: GOSS) could give noteholders majority control - Stock Titan

Jun 09, 2026
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Jun 09, 2026

Context Capital (GOSS) discloses 48.8M-share, 9.9% stake in Gossamer Bio - Stock Titan

Jun 09, 2026
pulisher
Jun 05, 2026

Gossamer Bio (NASDAQ: GOSS) awards 115K stock options to director - Stock Titan

Jun 05, 2026
pulisher
Jun 05, 2026

Gossamer Bio (GOSS) director Skye Drynan awarded 115,000 stock options at $0.178 - Stock Titan

Jun 05, 2026
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Jun 05, 2026

Gossamer Bio (GOSS) director receives 115,000 stock options as board compensation grant - Stock Titan

Jun 05, 2026
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Jun 05, 2026

Director at Gossamer Bio (NASDAQ: GOSS) receives 115K stock options - Stock Titan

Jun 05, 2026
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Jun 05, 2026

Gossamer Bio (GOSS) director awarded 115,000 stock options as compensation - Stock Titan

Jun 05, 2026
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Jun 05, 2026

Gossamer Bio (NASDAQ: GOSS) awards director 115,000 stock options - Stock Titan

Jun 05, 2026
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Jun 05, 2026

Gossamer Bio, Inc. 8-K Filing June 2026: Annual Meeting Results and Company Information - Minichart

Jun 05, 2026
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Jun 05, 2026

Gossamer Bio, Inc. Announces Early Settlement and New Indenture for Senior Secured Convertible Notes Due 2030 - Minichart

Jun 05, 2026
pulisher
Jun 04, 2026

Gossamer Bio (NASDAQ: GOSS) swaps $181M converts for new debt, equity and warrants - Stock Titan

Jun 04, 2026
pulisher
Jun 04, 2026

Gossamer Bio (GOSS) holders re-elect directors and approve say-on-pay - Stock Titan

Jun 04, 2026
pulisher
Jun 04, 2026

Gossamer Bio, Inc. Announces Early Tender Results and Early Settlement for Exchange Offer and Consent Solicitation with Respect to Existing Convertible Notes - BioSpace

Jun 04, 2026
pulisher
Jun 03, 2026

GOSS: Gossamer Bio Announces Early Tender Results for Exchange O - GuruFocus

Jun 03, 2026
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Jun 03, 2026

Gossamer Bio receives 90.5% tender in debt exchange offer By Investing.com - Investing.com Nigeria

Jun 03, 2026
pulisher
Jun 03, 2026

Gossamer Bio receives 90.5% tender in debt exchange offer - Investing.com

Jun 03, 2026
pulisher
Jun 03, 2026

How The Investment Story For Gossamer Bio (GOSS) Is Quietly Shifting Without New Analyst Signals - Yahoo Finance

Jun 03, 2026
pulisher
Jun 02, 2026

Gossamer Bio Extends Early Tender Deadline for Convertible Note Exchange Offer to June 9 - geneonline.com

Jun 02, 2026
pulisher
Jun 02, 2026

GOSS: Gossamer Bio Extends Tender Date for Convertible Notes Exc - GuruFocus

Jun 02, 2026
pulisher
Jun 02, 2026

Gossamer Bio, Inc. Extends Early Tender Date for Exchange Offer and Consent Solicitation for Convertible Notes - Minichart

Jun 02, 2026
pulisher
Jun 02, 2026

Gossamer Bio, Inc. Announces Extension of Early Tender Date for Exchange Offer and Consent Solicitation with Respect to Existing Convertible Notes - Business Wire

Jun 02, 2026
pulisher
Jun 02, 2026

Gossamer Bio extends early tender date for exchange offer; $181.05M tendered, New Notes up to $72M - TradingView

Jun 02, 2026
pulisher
Jun 02, 2026

Gossamer Bio (NASDAQ: GOSS) extends early tender deadline in major convertible note exchange - Stock Titan

Jun 02, 2026
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Jun 02, 2026

Pomerantz LLP Notifies Shareholders of Lawsuit Filed Against Gossamer Bio, Inc. – GOSS - ACCESS Newswire

Jun 02, 2026
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Jun 01, 2026

GOSS, Gossamer Bio Faces Class Action Lawsuit Over PROSERA Trial Results - GuruFocus

Jun 01, 2026
pulisher
Jun 01, 2026

CLASS ACTION DEADLINE TONIGHT: Gossamer Bio (GOSS) Investors Who - GuruFocus

Jun 01, 2026
pulisher
Jun 01, 2026

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

Jun 01, 2026
pulisher
Jun 01, 2026

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

Jun 01, 2026
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Jun 01, 2026

DEADLINE ALERT for GOSS, NUAI, and MEDP: The Law Offices of - GlobeNewswire

Jun 01, 2026
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Jun 01, 2026

Pomerantz LLP Posts Reminder: Legal Action Filed Against Gossamer Bio, Inc. – GOSS - ACCESS Newswire

Jun 01, 2026
pulisher
Jun 01, 2026

GOSS DEADLINE ALERT: Hagens Berman Alerts Gossamer Bio (GOSS) In - GuruFocus

Jun 01, 2026
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Jun 01, 2026

GOSS DEADLINE ALERT: Hagens Berman Alerts Gossamer Bio (GOSS) Investors to Today's Lead Plaintiff Deadline in Securities Class Action - PR Newswire

Jun 01, 2026
pulisher
Jun 01, 2026

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

Jun 01, 2026
pulisher
May 31, 2026

GOSS DEADLINE ALERT: ROSEN, A HIGHLY RECOGNIZED LAW FIRM, Encourages Gossamer Bio, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important June 1 Deadline in Securities Class ActionGOSS - ACCESS Newswire

May 31, 2026
pulisher
May 31, 2026

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

May 31, 2026
pulisher
May 31, 2026

GOSS DEADLINE TOMORROW: ROSEN, TOP RANKED GLOBAL COUNSEL, Encourages Gossamer Bio, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important June 1 Deadline in Securities Class ActionGOSS - TMX Newsfile

May 31, 2026
pulisher
May 31, 2026

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

May 31, 2026
pulisher
May 31, 2026

GOSS DEADLINE NOTICE: ROSEN, RECOGNIZED INVESTOR COUNSEL, Encourages Gossamer Bio, Inc. ... - Black Hills Pioneer

May 31, 2026
pulisher
May 31, 2026

GOSS FINAL DEADLINE ALERT: Gossamer Bio Investors With - GlobeNewswire

May 31, 2026
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May 30, 2026

GOSS DEADLINE NOTICE: ROSEN, RECOGNIZED INVESTOR COUNSEL, - GlobeNewswire

May 30, 2026
pulisher
May 30, 2026

GOSS DEADLINE MONDAY: ROSEN, A LEADING NATIONAL FIRM, Encourages Gossamer Bio, Inc. Investors with Losses in Excess of $100K to Secure Counsel Before Important June 1 Deadline in Securities Class ActionGOSS - TMX Newsfile

May 30, 2026
pulisher
May 30, 2026

GOSS 2-DAY DEADLINE ALERT: Gossamer Bio Investors With Losses Ma - GuruFocus

May 30, 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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$97.46
price down icon 0.40%
$30.03
price down icon 0.03%
$90.80
price up icon 0.29%
$54.27
price down icon 1.09%
ONC ONC
$268.20
price up icon 1.41%
$160.06
price up icon 4.02%
Cap:     |  Volume (24h):