0.1927
price down icon43.32%   -0.1473
after-market After Hours: .22 0.0273 +14.17%
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Gossamer Bio Inc stock is traded at $0.1927, with a volume of 56.89M. It is down -43.32% in the last 24 hours and down -56.79% 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:
$0.34
Open:
$0.3
24h Volume:
56.89M
Relative Volume:
3.58
Market Cap:
$45.23M
Revenue:
$48.47M
Net Income/Loss:
$-170.37M
P/E Ratio:
-0.257
EPS:
-0.7499
Net Cash Flow:
$-171.35M
1W Performance:
-43.11%
1M Performance:
-56.79%
6M Performance:
-93.68%
1Y Performance:
-81.47%
1-Day Range:
Value
$0.1626
$0.30
1-Week Range:
Value
$0.1626
$0.3551
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
0.1927 79.80M 48.47M -170.37M -171.35M -0.7499
VRTX icon
VRTX
Vertex Pharmaceuticals Inc
436.58 110.90B 12.34B 4.34B 3.71B 16.87
REGN icon
REGN
Regeneron Pharmaceuticals Inc
629.68 73.20B 14.92B 4.42B 3.79B 41.04
ARGX icon
ARGX
Argen X Se Adr
776.26 49.71B 4.16B 1.29B 734.26M 19.58
ALNY icon
ALNY
Alnylam Pharmaceuticals Inc
286.27 38.32B 4.29B 577.22M 641.34M 4.2086
RVMD icon
RVMD
Revolution Medicines Inc
144.37 30.97B 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

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08:24 AM

ROSEN, TRUSTED INVESTOR COUNSEL, Encourages Gossamer Bio, - GlobeNewswire

08:24 AM
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08:12 AM

ROSEN, SKILLED INVESTOR COUNSEL, Encourages Regencell Bioscience Holdings Limited Investors to Secure Counsel Before Important Deadline in Securities Class Action – RGC - GlobeNewswire Inc.

08:12 AM
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07:04 AM

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

07:04 AM
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06:59 AM

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

06:59 AM
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02:33 AM

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

02:33 AM
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01:26 AM

Gossamer Bio (GOSS) Launches Exchange Offer for Convertible Notes - GuruFocus

01:26 AM
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01:25 AM

Deadline Alert: Gossamer Bio, Inc. (GOSS) Shareholders Who - GlobeNewswire

01:25 AM
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01:08 AM

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

01:08 AM
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01:00 AM

GOSS Investor Alert: Gossamer Bio Securities Fraud Lawsuit - GlobeNewswire

01:00 AM
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12:57 PM

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

12:57 PM
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12:26 PM

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

12:26 PM
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12:00 PM

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

12:00 PM
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11:56 AM

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

11:56 AM
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10:30 AM

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

10:30 AM
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10:14 AM

Gossamer Bio Shares Decline After Wider-Than-Expected Q1 Loss Despite Revenue Beat (GOSS) - Yahoo Finance

10:14 AM
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10:09 AM

Gossamer Bio, Inc. Launches Exchange Offer and Consent Solicitation Intended to Eliminate Over $120 - PharmiWeb.com

10:09 AM
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10:02 AM

Gossamer Bio earnings missed by $0.03, revenue topped estimates - Investing.com Canada

10:02 AM
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09:11 AM

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

09:11 AM
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09:10 AM

Gossamer Bio Releases Q1 2026 Financial Results - AlphaStreet

09:10 AM
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09:08 AM

Gossamer Bio Q1 Earnings Call Highlights - MarketBeat

09:08 AM
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08:56 AM

Gossamer Bio Announces First Quarter 2026 Financial Results and Provides Business Update - BioSpace

08:56 AM
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08:38 AM

Gossamer Bio Q1 2026 Earnings Call Transcript - MarketBeat

08:38 AM
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08:02 AM

Gossamer Bio stock falls 5% on earnings miss despite revenue beat By Investing.com - Investing.com South Africa

08:02 AM
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08:02 AM

Gossamer Bio stock falls 5% on earnings miss despite revenue beat - Investing.com India

08:02 AM
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08:00 AM

Q1 2026 Gossamer Bio Inc Earnings Call Transcript - GuruFocus

08:00 AM
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07:57 AM

GOSS: Seralutinib showed significant vascular benefits in PAH, with a major debt reduction plan underway - TradingView

07:57 AM
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07:55 AM

GOSS Reports Strong Q1 Revenue and Advances Regulatory Efforts - GuruFocus

07:55 AM
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07:39 AM

Gossamer Bio Restructures Debt and Advances Seralutinib Program - TipRanks

07:39 AM
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07:34 AM

Gossamer Bio launches exchange offer for convertible notes - Investing.com

07:34 AM
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07:13 AM

Gossamer Bio Enters Noteholder Support Pact to Advance Convertible Notes Exchange - TradingView

07:13 AM
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07:09 AM

Gossamer Bio Q1 net loss widens on higher R&D expenses - TradingView

07:09 AM
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07:08 AM

Gossamer Bio (GOSS) proposes $72M secured notes, 317.6M shares and 150M warrants in debt swap - Stock Titan

07:08 AM
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07:07 AM

Gossamer Bio launches exchange offer and consent solicitation intended to eliminate over $120 million of debt with existing noteholder support - marketscreener.com

07:07 AM
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07:06 AM

Debt exchange and FDA path shape Gossamer Bio (NASDAQ: GOSS) - Stock Titan

07:06 AM
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07:05 AM

Gossamer Bio, Inc. Launches Exchange Offer and Consent Solicitation Intended to Eliminate Over $120 Million of Debt with Existing Noteholder Support - Yahoo Finance

07:05 AM
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07:00 AM

BRIEF-Gossamer Bio Q1 EPS USD -0.2 - TradingView

07:00 AM
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01:09 AM

GOSS STOCKHOLDER ALERT: Bronstein, Gewirtz and Grossman, LLC Announces that Gossamer Bio, Inc. Investors with Losses Have Opportunity to Lead Class Action Lawsuit! - ACCESS Newswire

01:09 AM
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May 17, 2026

Gossamer Bio Inc stock (US38198T1034): Q1 2026 earnings in focus after steep share price slide - AD HOC NEWS

May 17, 2026
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May 17, 2026

Gossamer Bio, Inc.Common Stock (NQ: GOSS - FinancialContent

May 17, 2026
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May 16, 2026

Gossamer Bio stock (US38198T1034): FDA decision and restructuring put focus on future pipeline - AD HOC NEWS

May 16, 2026
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May 16, 2026

GOSS SHAREHOLDER REMINDER: Faruqi & Faruqi, LLP Reminds Gossamer - The National Law Review

May 16, 2026
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May 16, 2026

GOSS Should I Buy - Intellectia AI

May 16, 2026
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May 16, 2026

Gossamer Bio to Announce First Quarter 2026 Financial Results and - The National Law Review

May 16, 2026
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May 15, 2026

Gossamer Bio (GOSS) Reports Q1 Loss, Tops Revenue Estimates - Yahoo Finance

May 15, 2026
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May 15, 2026

Gossamer Bio: Q1 Earnings Snapshot - Barchart.com

May 15, 2026
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May 15, 2026

Earnings Preview: Gossamer Bio to Report Financial Results Post-market on May 18 - Moomoo

May 15, 2026
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May 15, 2026

Gossamer Bio Inc reports results for the quarter ended March 31Earnings Summary - TradingView

May 15, 2026
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May 15, 2026

Gossamer Bio, Inc. 1Q 2026: Revenue $16.96M, EPS ($0.2) — 10-Q Summary - TradingView

May 15, 2026
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May 15, 2026

Gossamer Bio, Inc. Reports Earnings Results for the First Quarter Ended March 31, 2026 - marketscreener.com

May 15, 2026
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May 15, 2026

Gossamer Bio (NASDAQ: GOSS) warns on going concern as Q1 loss widens - Stock Titan

May 15, 2026
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May 15, 2026

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

May 15, 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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$28.55
price down icon 2.53%
$88.85
price down icon 0.78%
$52.07
price down icon 1.48%
$107.15
price down icon 1.82%
ONC ONC
$293.09
price down icon 0.06%
$144.37
price down icon 0.89%
Cap:     |  Volume (24h):