11.94
price up icon8.94%   0.98
after-market After Hours: 11.76 -0.18 -1.51%
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Gossamer Bio Inc stock is traded at $11.94, with a volume of 267.64K. It is up +8.94% in the last 24 hours and up +6.61% 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:
$10.96
Open:
$11.78
24h Volume:
267.64K
Relative Volume:
0.82
Market Cap:
$72.96M
Revenue:
$55.54M
Net Income/Loss:
$-180.40M
P/E Ratio:
-15.16
EPS:
-0.7877
Net Cash Flow:
$-170.32M
1W Performance:
+4.81%
1M Performance:
+6.61%
6M Performance:
-68.37%
1Y Performance:
-95.01%
1-Day Range:
Value
$11.28
$12.45
1-Week Range:
Value
$9.961
$12.52
52-Week Range:
Value
$9.104
$309.60

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
2026-11-04
Name
Latest SEC Filings
Name
GOSS's Discussions on Twitter

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

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
GOSS icon
GOSS
Gossamer Bio Inc
11.94 65.57M 55.54M -180.40M -170.32M -0.7877
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
516.34 130.64B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
789.45 80.46B 14.92B 4.42B 3.79B 41.04
MRNA icon
MRNA
Moderna Inc
158.07 57.48B 2.23B -3.19B -1.60B -8.1462
ARGX icon
ARGX
Argen X Se Adr
995.77 61.58B 4.16B 1.29B 734.26M 19.58
RVMD icon
RVMD
Revolution Medicines Inc
196.94 43.68B 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
Sep 12, 2026

Gossamer Bio Inc (FRA:4GB0) Stock Price & 30 Year Financial Data - GuruFocus

Sep 12, 2026
pulisher
Sep 12, 2026

Gossamer Bio (FRA:4GB0) PensionAndRetirementBenefit : €0.00 Mil (As of Jun. 2026) - GuruFocus

Sep 12, 2026
pulisher
Sep 12, 2026

Gossamer Bio (FRA:4GB0) Net Issuance of Debt : €0.00 Mil (TTM As of Jun. 2026) - GuruFocus

Sep 12, 2026
pulisher
Sep 12, 2026

Gossamer Bio Inc (FRA:4GB0) Stock Forecast, Price Targets and Analysts Predictions - GuruFocus

Sep 12, 2026
pulisher
Sep 11, 2026

Form 8K Gossamer Bio Inc For: 11 September By Investing.com - Investing.com Nigeria

Sep 11, 2026
pulisher
Sep 11, 2026

Gossamer Bio completes 1-for-80 reverse stock split By Investing.com - Investing.com Australia

Sep 11, 2026
pulisher
Sep 11, 2026

Gossamer Bio Implements 1-for-80 Reverse Stock Split to Address Nasdaq Compliance - citybiz.co

Sep 11, 2026
pulisher
Sep 11, 2026

Gossamer Bio Executes Reverse Stock Split and Share Reduction - TipRanks

Sep 11, 2026
pulisher
Sep 11, 2026

Gossamer Bio completes 1-for-80 reverse stock split - investing.com

Sep 11, 2026
pulisher
Sep 11, 2026

Gossamer Bio Announces Effectiveness of 1-for-80 Reverse Stock Split - Business Wire

Sep 11, 2026
pulisher
Sep 11, 2026

GOSS: Static price chart | Gossamer Bio | US38341P1021 - marketscreener.com

Sep 11, 2026
pulisher
Sep 11, 2026

Gossamer Bio: Dividend historical data and projections - marketscreener.com

Sep 11, 2026
pulisher
Sep 11, 2026

Gossamer Bio: Performance & Quotes, GOSS Stock Price on Nasdaq Exchange - marketscreener.com

Sep 11, 2026
pulisher
Sep 11, 2026

Gossamer Bio Stock (GOSS)Quote Nasdaq - marketscreener.com

Sep 11, 2026
pulisher
Sep 09, 2026

Gossamer Bio To Carry Out 1-for-80 Reverse Stock Split On September 11th, 2026 - Moomoo

Sep 09, 2026
pulisher
Sep 09, 2026

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

Sep 09, 2026
pulisher
Sep 09, 2026

Gossamer Bio at Cantor Fitzgerald healthcare conference: filing path in focus - Investing.com Canada

Sep 09, 2026
pulisher
Sep 09, 2026

Gossamer Bio Announces 1-for-80 Reverse Stock Split - tipranks.com

Sep 09, 2026
pulisher
Sep 09, 2026

Gossamer Bio announces 1-for-80 reverse stock split, authorized shares cut to 50M - TradingView

Sep 09, 2026
pulisher
Sep 08, 2026

Gossamer Bio Inc (GOSS) Technical Analysis: Support, Resistance, Indicators & Moving Averages - TradingKey

Sep 08, 2026
pulisher
Sep 04, 2026

Price to earnings forward of Gossamer Bio, Inc. – NASDAQ:GOSS - TradingView

Sep 04, 2026
pulisher
Sep 04, 2026

Biotech Gossamer Bio (NASDAQ: GOSS) markets $125M more in private securities - Stock Titan

Sep 04, 2026
pulisher
Sep 04, 2026

Gossamer Bio to Present at Cantor Global Healthcare Conference - Yahoo Finance

Sep 04, 2026
pulisher
Sep 03, 2026

Gossamer Bio seeks nod for 1.6B-share issuance | GOSS SEC FilingForm PRE 14A - stocktitan.net

Sep 03, 2026
pulisher
Sep 03, 2026

Gossamer Bio Stock (GOSS) Opinions on Phase Advancement Catalysts - Moomoo

Sep 03, 2026
pulisher
Aug 27, 2026

H.C. Wainwright reiterates Gossamer Bio stock rating on NDA progress By Investing.com - Investing.com Nigeria

Aug 27, 2026
pulisher
Aug 27, 2026

H.C. Wainwright reiterates Gossamer Bio stock rating on NDA progress - investing.com

Aug 27, 2026
pulisher
Aug 26, 2026

Gossamer Bio (NASDAQ: GOSS) ties CFO’s 5.8M options to seralutinib FDA decision - Stock Titan

Aug 26, 2026
pulisher
Aug 26, 2026

Gossamer Bio (NASDAQ: GOSS) ties CCO options to FDA drug decision - Stock Titan

Aug 26, 2026
pulisher
Aug 24, 2026

GOSS 4-DAY DEADLINE ALERT: Gossamer Bio Investors With Losses May Seek to Lead the Class Action After Executives Allegedly Concealed Placebo Risk: HBSS - Eastern Progress

Aug 24, 2026
pulisher
Aug 24, 2026

Gossamer Bio (NASDAQ: GOSS) has 6% of its stock under D. E. Shaw’s reported influence - Stock Titan

Aug 24, 2026
pulisher
Aug 22, 2026

Gossamer Bio Slides as $250M Financing Hinges on FDA Milestones - sahmcapital.com

Aug 22, 2026
pulisher
Aug 21, 2026

Gossamer Bio (NASDAQ:GOSS) Funding Move Signals Biotech Shift - Kalkine Media

Aug 21, 2026
pulisher
Aug 21, 2026

Gossamer Bio Secures Up To $250 Million To Fund Seralutinib Through Potential FDA Approval - pulse2.com

Aug 21, 2026
pulisher
Aug 21, 2026

Latham Advises Gossamer Bio on Structured Private Placement - Latham & Watkins LLP

Aug 21, 2026
pulisher
Aug 21, 2026

Latham Advises Gossamer Bio on Up to US$250 Million Structured Private Placement, Including US$150 Million of Committed Capital - Legal Desire

Aug 21, 2026
pulisher
Aug 21, 2026

Gossamer Bio Slips as $250M Financing Hinges on FDA ApprovalGossamer Bio (NASDAQ:GOSS) - Benzinga

Aug 21, 2026
pulisher
Aug 21, 2026

Gossamer Bio (GOSS) Raises $250M in Private Placement Amid Chall - GuruFocus

Aug 21, 2026
pulisher
Aug 21, 2026

Gossamer Bio Secures Up to $250 Million Private Placement to Fund Seralutinib Through Potential FDA Approval - Yahoo Finance

Aug 21, 2026
pulisher
Aug 21, 2026

Gossamer Bio Secures Up to $250M to Advance Seralutinib Toward FDA Approval - citybiz.co

Aug 21, 2026
pulisher
Aug 21, 2026

$Gossamer Bio (GOSS.US)$ yessir 🦁 mode still early - Moomoo

Aug 21, 2026
pulisher
Aug 21, 2026

Gossamer Bio (GOSS) Raises $250M in Private Placement Amid Challenging Valuation Landscape - GuruFocus

Aug 21, 2026
pulisher
Aug 21, 2026

Gossamer Bio Agrees to Up to $250 Million Private Placement; Shares Rise Pre-Bell - marketscreener.com

Aug 21, 2026
pulisher
Aug 21, 2026

Gossamer Bio secures up to $250m in milestone-based financing - Investing.com

Aug 21, 2026
pulisher
Aug 21, 2026

$Gossamer Bio (GOSS.US)$ @traderslink_this_guy@TradersLink__ we never lacking 🤷‍♂️ 😉 - Moomoo

Aug 21, 2026
pulisher
Aug 21, 2026

Gossamer Bio Lines Up Up To $250 Million Private Placement With Milestone-Triggered Warrants - TradingView

Aug 21, 2026
pulisher
Aug 21, 2026

Gossamer Bio Announces Up to $250 Million Structured Private Placement, Including $150 Million of Committed Capital, to Fund Seralutinib Through Potential FDA Approval - Yahoo Finance

Aug 21, 2026
pulisher
Aug 19, 2026

Gossamer Bio, Inc. announced that it expects to receive $250 million in funding - marketscreener.com

Aug 19, 2026
pulisher
Aug 18, 2026

Revenue per share of Gossamer Bio, Inc. – HAM:4GB - TradingView

Aug 18, 2026
pulisher
Aug 17, 2026

Gossamer Bio achieves exceptional financial eff... - Pluang

Aug 17, 2026
pulisher
Aug 16, 2026

Gossamer Bio (GOSS) Stock Sees Fair Value Cut As Analysts Split On Seralutinib - Yahoo Finance

Aug 16, 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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$58.93
price up icon 0.79%
$123.98
price up icon 1.14%
$39.98
price up icon 1.04%
$245.51
price up icon 2.57%
ONC ONC
$353.46
price up icon 1.55%
$196.94
price up icon 0.52%
Cap:     |  Volume (24h):