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Gossamer Bio, Inc. (GOSS)

10.38 -0.31 (-2.90%)
At close: October 30 at 4:00:01 PM EDT
10.15 -0.23 (-2.22%)
Pre-Market: 3:13:25 AM EST
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What's happening with GOSS?

23m ago
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Gossamer Bio’s investment case remains concentrated on seralutinib, its lead drug candidate for pulmonary arterial hypertension (PAH). The company submitted a New Drug Application (NDA) to the U.S. Food and Drug Administration in September, but approval prospects remain contested after the Phase 3 PROSERA trial missed its primary endpoint. GOSS declined 2.90% in the current regular sessionon November 2, 2026.

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  • Previous Close 10.69
  • Open 10.56
  • Bid 9.14 x 100
  • Ask 8.70 x 100
  • Day's Range 10.19 - 10.74
  • 52 Week Range 8.29 - 309.60
  • Volume 179,494
  • Avg. Volume 259,247
  • Market Cap (intraday) 63.488M
  • Beta (5Y Monthly) 2.27
  • PE Ratio (TTM) --
  • EPS (TTM) -52.80
  • Earnings Date (est.) Nov 4, 2026
  • Forward Dividend & Yield -- (0.00%)
  • 1y Target Est 95.40
  • Zacks Rating Neutral

Gossamer Bio, Inc., a clinical-stage biopharmaceutical company, focuses on developing and commercializing seralutinib for the treatment of pulmonary hypertension and pulmonary arterial hypertension in the United States. The company develops GB002, an inhaled, small molecule, platelet-derived growth factor receptor, or PDGFR, colony-stimulatin factor 1 receptor and c-KIT inhibitor, which is in Phase 3 clinical trial for the treatment of PAH. It has license agreements with Pulmokine, Inc. to develop and commercialize GB002 and related backup compounds. The company was formerly known as FSG, Bio, Inc. and changed its name to Gossamer Bio, Inc. in 2017. The company was incorporated in 2015 and is headquartered in San Diego, California.

www.gossamerbio.com

161

Full Time Employees

December 31

Fiscal Year Ends

Healthcare

Sector

Biotechnology

Industry

Recent News

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Performance Overview

Trailing total returns as of 10/30/2026, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) .

YTD Return

GOSS
95.81%
S&P 500 (^GSPC)
10.73%

1-Year Return

GOSS
94.64%
S&P 500 (^GSPC)
11.11%

3-Year Return

GOSS
73.95%
S&P 500 (^GSPC)
81.91%

5-Year Return

GOSS
98.96%
S&P 500 (^GSPC)
64.59%

Earnings Trends

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Earnings Per Share

GAAP
Normalized
GAAP
Normalized

Revenue vs. Earnings

Annual
Quarterly
Annual
Quarterly
Q1 FY26
Revenue 16.95M
Earnings -46.66M
Profit Margin -275.22%

Q2

FY25

Q3

FY25

Q4

FY25

Q1

FY26

-40M
-20M
0
-360.0%
-340.0%
-320.0%
-300.0%
-280.0%

Analyst Insights

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Analyst Price Targets

22.40
95.40 Average
10.38 Current
160.00 High

Analyst Recommendations

  • Strong Buy
  • Buy
  • Hold
  • Underperform
  • Sell

Latest Rating

Date 10/26/2026
Analyst Chardan Capital
Rating Action Maintains
Rating Buy
Price Action Maintains
Price Target 160 -> 160

Statistics

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Valuation Measures

Annual
  • Market Cap

  • Enterprise Value

  • Trailing P/E

  • Forward P/E

  • PEG Ratio (current)

  • Price/Sales (ttm)

  • Price/Book (mrq)

  • Enterprise Value/Revenue

  • Enterprise Value/EBITDA

Financial Highlights

Profitability and Income Statement

  • Profit Margin

    -235.00%

  • Return on Assets (ttm)

    -62.39%

  • Return on Equity (ttm)

    --

  • Revenue (ttm)

    53.29M

  • Net Income Avi to Common (ttm)

    -125.22M

  • Diluted EPS (ttm)

    -52.80

Balance Sheet and Cash Flow

  • Total Cash (mrq)

    57.03M

  • Total Debt/Equity (mrq)

    --

  • Levered Free Cash Flow (ttm)

    -29.76M

Company Insights

Research Reports

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