0.3748
price down icon1.76%   -0.0067
after-market After Hours: .37 -0.0048 -1.28%
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Gossamer Bio Inc stock is traded at $0.3748, with a volume of 9.44M. It is down -1.76% in the last 24 hours and down -6.77% 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:
$0.3815
Open:
$0.3744
24h Volume:
9.44M
Relative Volume:
0.64
Market Cap:
$87.96M
Revenue:
$44.05M
Net Income/Loss:
$-156.16M
P/E Ratio:
-0.5454
EPS:
-0.6872
Net Cash Flow:
$-158.51M
1W Performance:
-17.08%
1M Performance:
-6.77%
6M Performance:
-86.12%
1Y Performance:
-68.24%
1-Day Range:
Value
$0.3637
$0.4108
1-Week Range:
Value
$0.3213
$0.45
52-Week Range:
Value
$0.3213
$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
2026-03-19
Name
Latest SEC Filings
Name
GOSS's Discussions on Twitter

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

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
GOSS icon
GOSS
Gossamer Bio Inc
0.3748 89.54M 44.05M -156.16M -158.51M -0.6872
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
453.74 115.58B 12.07B 3.95B 3.19B 15.33
REGN icon
REGN
Regeneron Pharmaceuticals Inc
756.73 79.23B 14.34B 4.50B 3.77B 41.56
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
328.16 43.59B 3.71B 313.75M 465.38M 2.2571
ARGX icon
ARGX
Argen X Se Adr
692.83 43.26B 4.16B 1.29B 734.26M 19.58
INSM icon
INSM
Insmed Inc
147.60 31.97B 606.42M -1.28B -997.58M -6.403

Gossamer Bio Inc Stock (GOSS) Upgrades & Downgrades

Date Action Analyst Rating Change
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
10:00 AM

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Gossamer Bio, Inc.GOSS - PR Newswire

10:00 AM
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09:00 AM

GOSS: Management Optimistic About Topline Results -- LEVI & KORSINSKY, LLP Investigates After Trial Fails - GlobeNewswire

09:00 AM
pulisher
Mar 25, 2026

Options Flow: Is Gossamer Bio Inc a stock for growth or value investorsPortfolio Performance Report & Daily Risk Controlled Trade Plans - baoquankhu1.vn

Mar 25, 2026
pulisher
Mar 25, 2026

GOSS: Announces Topline Results for Phase 3 PROSERA Trial -- LEVI & KORSINSKY, LLP - PR Newswire

Mar 25, 2026
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Mar 24, 2026

Gossamer Bio (GOSS) continues downtrend despite impressive revenue - MSN

Mar 24, 2026
pulisher
Mar 24, 2026

Setup Watch: Should I set a stop loss on Gossamer Bio IncTrade Entry Report & Smart Investment Allocation Insights - baoquankhu1.vn

Mar 24, 2026
pulisher
Mar 24, 2026

Gossamer Bio (GOSS) Continues Downtrend Despite Impressive Revenue - Insider Monkey

Mar 24, 2026
pulisher
Mar 24, 2026

683 Capital (GOSS) reports 3.90% position including exercisable warrants - Stock Titan

Mar 24, 2026
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Mar 23, 2026

Gossamer Bio downgraded by Cantor on unclear regulatory path for seralutinib - Seeking Alpha

Mar 23, 2026
pulisher
Mar 23, 2026

This Box Analyst Is No Longer Bullish; Here Are Top 5 Downgrades For Monday - Benzinga

Mar 23, 2026
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Mar 23, 2026

Gossamer Bio (GOSS) Downgraded to Neutral by Cantor Fitzgerald | - GuruFocus

Mar 23, 2026
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Mar 23, 2026

Cantor Fitzgerald Reiterates "Neutral" Rating for Gossamer Bio (NASDAQ:GOSS) - MarketBeat

Mar 23, 2026
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Mar 23, 2026

Cantor Fitzgerald cuts Gossamer Bio stock rating after trial miss By Investing.com - Investing.com South Africa

Mar 23, 2026
pulisher
Mar 23, 2026

Q3 EPS Estimates for Gossamer Bio Boosted by HC Wainwright - MarketBeat

Mar 23, 2026
pulisher
Mar 22, 2026

Gossamer Bio, Inc.(NasdaqGS:GOSS) dropped from S&P Biotechnology Select Industry Index - marketscreener.com

Mar 22, 2026
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Mar 21, 2026

Gossamer Bio (GOSS) reports topline phase 3 results for seralutinib in pulmonary arterial hypertension - MSN

Mar 21, 2026
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Mar 20, 2026

Gossamer Bio (GOSS) reprices Chief Medical Officer stock options - Stock Titan

Mar 20, 2026
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Mar 20, 2026

Gossamer Bio (GOSS) reprices EVP Caryn Peterson’s stock options to $0.45 - Stock Titan

Mar 20, 2026
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Mar 20, 2026

Gossamer Bio (GOSS) cuts Chief Commercial Officer option strike prices to $0.45 - Stock Titan

Mar 20, 2026
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Mar 20, 2026

Gossamer Bio (GOSS) reprices CEO stock options to $0.45 strike - Stock Titan

Mar 20, 2026
pulisher
Mar 20, 2026

Gossamer Bio (GOSS) reprices multiple stock option grants for COO/CFO - Stock Titan

Mar 20, 2026
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Mar 20, 2026

Gossamer Bio (GOSS) cuts EVP Waage option strike to $0.45 in 2.07M-share repricing - Stock Titan

Mar 20, 2026
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Mar 20, 2026

Analysts revise forecasts for Gossamer Bio (GOSS) amid uncertain regulatory environment - MSN

Mar 20, 2026
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Mar 20, 2026

Analysts Revise Forecasts for Gossamer Bio (GOSS) Amid Uncertain Regulatory Environment - Yahoo Finance

Mar 20, 2026
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Mar 20, 2026

Biotech company cuts half its staff after disappointing trial sees stock plummet - KRON4

Mar 20, 2026
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Mar 20, 2026

Layoff Tracker: Gossamer, BiomX Reveal Hefty Staff Cuts - BioSpace

Mar 20, 2026
pulisher
Mar 19, 2026

Big Picture: Does Gossamer Bio Inc stock benefit from AI growth2026 Buyback Activity & Accurate Trade Setup Notifications - baoquankhu1.vn

Mar 19, 2026
pulisher
Mar 19, 2026

5 Most Active Penny Stocks to Buy - Insider Monkey

Mar 19, 2026
pulisher
Mar 19, 2026

Guggenheim Remains a Hold on Gossamer Bio (GOSS) - The Globe and Mail

Mar 19, 2026
pulisher
Mar 19, 2026

Gossamer Bio Inc Stock (ISIN: US38198T1034) Faces Uncertainty After Phase 3 Setback and Widening Los - AD HOC NEWS

Mar 19, 2026
pulisher
Mar 19, 2026

[EFFECT] Gossamer Bio, Inc. SE... | GOSS SEC FilingForm EFFECT - Stock Titan

Mar 19, 2026
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Mar 18, 2026

Calif. biotech company lays off almost half of staff after 78% stock drop - SFGATE

Mar 18, 2026
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Mar 18, 2026

Gossamer Bio plans FDA talks after narrow miss in key pivotal study, stock sinks - MSN

Mar 18, 2026
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Mar 18, 2026

Gossamer Bio 2025 Annual Report: Seralutinib PAH Clinical Development, FDA Path, and Regulatory Strategy Insights - Minichart

Mar 18, 2026
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Mar 18, 2026

Gossamer Bio, Inc. Investigated by the Portnoy Law Firm - GlobeNewswire

Mar 18, 2026
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Mar 18, 2026

Gossamer Bio (NASDAQ:GOSS) Releases Earnings Results, Misses Estimates By $0.01 EPS - MarketBeat

Mar 18, 2026
pulisher
Mar 18, 2026

XOMA Royalty Reports 2025 Financial Results and Highlights Recent Business Achievements - GlobeNewswire Inc.

Mar 18, 2026
pulisher
Mar 18, 2026

Gossamer Bio Inc Stock (ISIN: US38198T1034) Faces Investor Lawsuit After Phase 3 Trial Failure and E - AD HOC NEWS

Mar 18, 2026
pulisher
Mar 17, 2026

Gossamer Bio (GOSS) reports Q4 loss, beats revenue estimates - MSN

Mar 17, 2026
pulisher
Mar 17, 2026

INVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Gossamer Bio, ... - Bluefield Daily Telegraph

Mar 17, 2026
pulisher
Mar 17, 2026

Gossamer Bio earnings missed by $0.02, revenue topped estimates - Investing.com Canada

Mar 17, 2026
pulisher
Mar 17, 2026

Gossamer Bio Q4 2025 Earnings: Revenue Beats Forecasts, Loss WidensNews and Statistics - IndexBox

Mar 17, 2026
pulisher
Mar 17, 2026

Gossamer Bio (GOSS) Reports Q4 Loss, Beats Revenue Estimates - Yahoo Finance

Mar 17, 2026
pulisher
Mar 17, 2026

GOSS Exceeds Q4 Revenue Expectations Amid PROSERA Results Analys - GuruFocus

Mar 17, 2026
pulisher
Mar 17, 2026

Gossamer Bio Inc. announced that, during the evaluation of the impact of the Prosera trial results on its clinical programs, it has suspended new patient enrollment in the Phase III Seranata study for patients with progressive fibrosing interstitial lung disease (Ph - Bitget

Mar 17, 2026
pulisher
Mar 17, 2026

Gossamer Bio: Fourth Quarter Financial Results Overview - Bitget

Mar 17, 2026
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Mar 17, 2026

Gossamer Bio Q4 net loss widens - TradingView

Mar 17, 2026
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Mar 17, 2026

Gossamer Bio (NASDAQ: GOSS) registers up to $200M shelf for equity, debt - Stock Titan

Mar 17, 2026
pulisher
Mar 17, 2026

Gossamer Bio: Q4 Earnings Snapshot - marketscreener.com

Mar 17, 2026
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Mar 17, 2026

Gossamer Bio 2025 10-K: Revenue $48.5M, Net loss $170.4M - TradingView

Mar 17, 2026
pulisher
Mar 17, 2026

Gossamer Bio (NASDAQ: GOSS) 2025 loss widens as seralutinib Phase 3 misses goal - Stock Titan

Mar 17, 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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$27.35
price down icon 0.04%
$46.94
price down icon 0.19%
$53.57
price up icon 0.06%
$87.46
price down icon 1.48%
ONC ONC
$276.95
price down icon 2.29%
$147.60
price down icon 0.48%
Cap:     |  Volume (24h):