Menu

Markets

Research

News

Learn
Paper trading
AI Chat
Get the app WatchlistsPortfoliosAlerts
Sign in

Gossamer Bio, Inc. GOSS

Full chart Compare
Set alert

Price alert · GOSS

All alert types
9.95 USD +0.67 (+7.22%)

At closeNov 4, 2026, 4:00 PM EST

9.71 -0.24 -2.40%

After hours · Nov 4, 4:00 PM ET

9.42 Day range 10.04
8.29 52-week range 309.60
YTD
-95.99%
1 year
-94.59%

Financial health

Altman Z-Score

-35.69 Distress zone

Bankruptcy-risk model: below 1.81 distress, above 2.99 safe.

Piotroski F-Score

3 / 9 Weak

Nine pass/fail tests of profitability, leverage and efficiency.

FMP rating

C+2 / 5 overall

  • DCF 4
  • Return on Equity 5
  • Return on Assets 1
  • Debt / Equity 1
  • P/E 1
  • P/B 1

Valuation

P/E -4.2×
FY 2016: -1993×FY 2017: -24.3×FY 2018: -0.8×FY 2019: -4.7×FY 2020: -2.7×FY 2021: -3.6×FY 2022: -0.8×FY 2023: -0.8×FY 2024: -3.6×FY 2025: -4.2×
FY 2016 5y median -3.6× FY 2025
P/S 14.6×
FY 2016: 0.0×FY 2017: 0.0×FY 2018: 0.0×FY 2019: 0.0×FY 2020: 0.0×FY 2021: 0.0×FY 2022: 0.0×FY 2023: 0.0×FY 2024: 1.8×FY 2025: 14.6×
FY 2016 5y median 0.0× FY 2025
P/B -5.8×
FY 2016: -1336×FY 2017: -24.0×FY 2018: -1.0×FY 2019: 2.4×FY 2020: 2.1×FY 2021: 7.0×FY 2022: 15.2×FY 2023: 2.2×FY 2024: 6.9×FY 2025: -5.8×
FY 2016 5y median 6.9× FY 2025
P/FCF -4.1×
FY 2016: 8217×FY 2017: -28.6×FY 2018: -1.6×FY 2019: -5.7×FY 2020: -3.3×FY 2021: -4.4×FY 2022: -1.0×FY 2023: -0.9×FY 2024: -59.0×FY 2025: -4.1×
FY 2016 5y median -4.1× FY 2025
EV/EBITDA -5.5×
FY 2016: 0.0×FY 2017: -30.9×FY 2018: -0.1×FY 2019: -4.2×FY 2020: -1.6×FY 2021: -4.1×FY 2022: -1.4×FY 2023: -2.0×FY 2024: -9.0×FY 2025: -5.5×
FY 2016 5y median -4.1× FY 2025
EV/Sales 18.0×
FY 2016: 0.0×FY 2017: 0.0×FY 2018: 0.0×FY 2019: 0.0×FY 2020: 0.0×FY 2021: 0.0×FY 2022: 0.0×FY 2023: 0.0×FY 2024: 3.2×FY 2025: 18.0×
FY 2016 5y median 0.0× FY 2025
FCF Yield -24.2%
FY 2016: 0.0%FY 2017: -3.5%FY 2018: -61.9%FY 2019: -17.7%FY 2020: -30.4%FY 2021: -22.5%FY 2022: -102.2%FY 2023: -114.3%FY 2024: -1.7%FY 2025: -24.2%
FY 2016 5y median -24.2% FY 2025

Profitability

Gross Margin 97.9%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 100.0%FY 2025: 97.9%
FY 2016 5y median 0.0% FY 2025
Operating Margin -336.8%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: -52.2%FY 2025: -336.8%
FY 2016 5y median 0.0% FY 2025
Net Margin -351.5%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: -49.3%FY 2025: -351.5%
FY 2016 5y median 0.0% FY 2025
ROE 138.8%
FY 2016: 67.5%FY 2017: 98.7%FY 2018: 122.4%FY 2019: -51.3%FY 2020: -75.9%FY 2021: -192.7%FY 2022: -1899.3%FY 2023: -286.5%FY 2024: -191.7%FY 2025: 138.8%
FY 2016 5y median -192.7% FY 2025
ROIC -148.7%
FY 2016: 100.0%FY 2017: 810.4%FY 2018: -68.0%FY 2019: -47.5%FY 2020: -41.7%FY 2021: -70.5%FY 2022: -91.9%FY 2023: -66.8%FY 2024: -22.1%FY 2025: -148.7%
FY 2016 5y median -70.5% FY 2025
ROA -98.9%
FY 2016: -138.3%FY 2017: -1521.6%FY 2018: -61.4%FY 2019: -42.4%FY 2020: -45.1%FY 2021: -68.1%FY 2022: -84.2%FY 2023: -57.6%FY 2024: -17.9%FY 2025: -98.9%
FY 2016 5y median -68.1% FY 2025

Growth (YoY)

Revenue -57.7%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: -57.7%
FY 2016 FY 2025
Operating Income -172.5%
FY 2016: 0.0%FY 2017: -7915.7%FY 2018: -2139.5%FY 2019: -24.9%FY 2020: -13.1%FY 2021: -2.6%FY 2022: -1.1%FY 2023: 15.9%FY 2024: 67.4%FY 2025: -172.5%
FY 2016 FY 2025
EPS (diluted) -198.3%
FY 2016: 0.0%FY 2017: -8112.5%FY 2018: -2956.8%FY 2019: 85.4%FY 2020: -7.8%FY 2021: 12.0%FY 2022: 13.3%FY 2023: 56.6%FY 2024: 78.8%FY 2025: -198.3%
FY 2016 FY 2025
Free Cash Flow -4840.7%
FY 2016: 0.0%FY 2017: -28825.0%FY 2018: -1157.7%FY 2019: -109.5%FY 2020: -32.9%FY 2021: 5.3%FY 2022: 1.6%FY 2023: 15.1%FY 2024: 97.8%FY 2025: -4840.7%
FY 2016 FY 2025

Financial Health

Current Ratio 2.6×
FY 2016: 0.4×FY 2017: 0.4×FY 2018: 11.4×FY 2019: 11.1×FY 2020: 13.5×FY 2021: 8.3×FY 2022: 5.3×FY 2023: 5.9×FY 2024: 6.9×FY 2025: 2.6×
FY 2016 5y median 5.9× FY 2025
Quick Ratio 2.6×
FY 2016: 0.4×FY 2017: 0.4×FY 2018: 11.4×FY 2019: 11.1×FY 2020: 13.5×FY 2021: 8.3×FY 2022: 5.3×FY 2023: 5.9×FY 2024: 6.9×FY 2025: 2.6×
FY 2016 5y median 5.9× FY 2025
Debt / Equity -1.7×
FY 2016: -0.3×FY 2017: -0.9×FY 2018: 0.0×FY 2019: 0.1×FY 2020: 0.6×FY 2021: 1.5×FY 2022: 18.7×FY 2023: 3.4×FY 2024: 6.9×FY 2025: -1.7×
FY 2016 5y median 3.4× FY 2025
Net Debt / EBITDA -1.0×
FY 2016: 0.0×FY 2017: -1.0×FY 2018: 0.7×FY 2019: 0.5×FY 2020: 1.3×FY 2021: -0.0×FY 2022: -0.5×FY 2023: -1.1×FY 2024: -3.9×FY 2025: -1.0×
FY 2016 5y median -1.0× FY 2025
Interest Coverage -14.9×
FY 2016: 0.0×FY 2017: -56.4×FY 2018: -12416×FY 2019: 0.0×FY 2020: -16.6×FY 2021: -11.1×FY 2022: -15.7×FY 2023: -13.6×FY 2024: -5.2×FY 2025: -14.9×
FY 2016 5y median -13.6× FY 2025

Dividends

Dividend Yield 0.0%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: 0.0%
FY 2016 5y median 0.0% FY 2025
Payout Ratio 0.0%
FY 2016: 0.0%FY 2017: 0.0%FY 2018: 0.0%FY 2019: 0.0%FY 2020: 0.0%FY 2021: 0.0%FY 2022: 0.0%FY 2023: 0.0%FY 2024: 0.0%FY 2025: 0.0%
FY 2016 5y median 0.0% FY 2025

Annual · latest fiscal year ends 2025-12-31