State Ledger
Company profile

Gossamer Bio, Inc. CIK 1728117

Ticker
GOSS (Nasdaq)
Industry
Pharmaceutical Preparations
Headquarters
San Diego, CA 92121
Fiscal year end
2025 (FY)
Market Data
Close
$9.80
Change
+$0.50
Change %
5.38%
Volume
16,926

GOSS · trading date Oct 13, 2026 · previous close $9.30 · source: Alpaca (IEX feed, not consolidated full-market data).

Key Financials
Revenue
$48.47M
Net income
-$170.37M
Total assets
$172.25M
Total liabilities
$295.01M
Stockholders' equity
-$122.76M
Cash & equivalents
$37.73M
Operating income
-$170.73M
Operating cash flow
-$171.27M
Capital expenditures
$79.0K

Fiscal year 2025, via 10-K filed 2026-03-17. A dash means this figure wasn't reported in the source filing under a field State Ledger recognizes - not that the value is zero.

Financial Performance
Operating margin
-352.2%
Net margin
-351.5%
Free cash flow
-$171.35M
Free cash flow margin
-353.5%
Liabilities / assets
171.3%
Equity / assets
-71.3%
CapEx / revenue
0.2%
Operating cash flow / net income
1.01×

Derived from the fiscal year 2025 figures above. These metrics are mathematical calculations and do not represent a rating or assessment of the company.

Financial History
Fiscal yearRevenueNet incomeAssetsLiabilitiesEquity
2025 $48.47M -$170.37M $172.25M $295.01M -$122.76M
2024 $114.70M -$56.53M $315.29M $285.80M $29.49M
2023 $0 -$179.82M $311.92M $249.15M $62.77M
2022 $0 -$229.38M $272.45M $260.37M $12.08M
2021 — -$234.00M $343.66M $222.19M $121.46M
Company Details
SIC code
2834
State of incorporation
DE
Active filer
Yes
Most recent SEC filing
Form DEF 14A
2026-09-16
Financials filed via
Form 10-K
filed 2026-03-17

"Most recent SEC filing" may differ from the filing used for the financial figures above.

Location
San Diego, CA 92121
3115 MERRYFIELD ROW
Data & Methodology

SEC EDGAR submissions API (identity, collected Sep 19, 2026, 15:11 UTC) and SEC XBRL Company Facts API (financials, collected Sep 26, 2026, 15:18 UTC) · figures as originally filed, not restated · a dash always means a value wasn't reported, never a real zero.

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