# GOSSAMER BIO, INC. (GOSS) · Edgar & Edgarette company card

> Gossamer Bio (GOSS) saw revenue fall 57.7% in FY2025 to $48 million, operating margin -352% against a -3.8% median for pharmaceutical preparations, equity -71.3% of assets. Every figure is from the company’s own annual report filed with the SEC.

SEC CIK 1728117 · fiscal year ended 2025-12-31 · 4 audited years read · [page](https://www.pops4.com/boards/company/GOSS) · [JSON](https://www.pops4.com/boards/company/GOSS.json)

## Figures, as filed in the 10-K

| Measure | Value |
|---|---|
| Revenue | $48M |
| Revenue growth, 1 year | -57.7% |
| Revenue growth per year | — |
| Operating margin | -352.2% (prior year -52.2%) |
| Net margin | -351.5% |
| Operating cash flow | −$171M |
| Capital spending | $79,000 |
| Free cash flow | −$171M |
| Cash | $38M |
| Long-term debt | — |
| Total assets | $172M |
| Total equity | −$123M |
| Equity ÷ assets | -71.3% |
| Return on equity | — |
| Dividend per share | — |
| Dividend years rising | — |

## Readings, computed from those figures

- Altman Z: -30.36 (distress zone)
- Piotroski F: 0 of 9 (weak)
- Health Harbor boat: Rotting at the dock · four or more warning signs · liabilities exceed assets (often from years of share buybacks, not always distress); operating cash flow was negative; operating loss: a margin of -352.2% in FY2025; revenue is hard to predict: its 80% range is ±28%

## Edgarette's reading

Exposure: revenue $48.5M (FY2025). Experience: revenue down 57.7% on the year; operating margin -352.2%, down from -52.2%. Soundness: equity -71.3% of assets (liabilities exceed assets). Credibility: four or more audited years, reasonable weight. Range: 80% of past cases like this landed between $15.0M and $27.0M next year (method v3, set from 749 SEC company-years; on a year the method never saw, 83% landed inside). A statistical range, not company guidance. Against peers (114 filers, $50M+ revenue, pharmaceutical preparations): operating margin -352.2% against a -3.8% median; growth -57.7% against 13.7%.

Range logged 2026-09-20, receipt 44b38cf90edada5c, status open. A statistical range, not company guidance.

## Health Watch, last 12 months

- Item 3.01 Exchange listing notice or transfer: 1, latest 2026-04-09 ([filing](https://www.sec.gov/Archives/edgar/data/1728117/000172811726000022/0001728117-26-000022-index.htm))
- Item 5.02 Director or officer change: 3, latest 2026-09-16 ([filing](https://www.sec.gov/Archives/edgar/data/1728117/000172811726000101/0001728117-26-000101-index.htm))

## Recent filings

- 8-K · filed 2026-10-28 · 5.07 Submission of Matters to a Vote of Security Holders · [filing](https://www.sec.gov/Archives/edgar/data/1728117/000172811726000109/0001728117-26-000109-index.htm)
- 8-K · filed 2026-09-28 · 8.01 Other Events · [filing](https://www.sec.gov/Archives/edgar/data/1728117/000172811726000106/0001728117-26-000106-index.htm)
- 8-K · filed 2026-09-23 · 8.01 Other Events · [filing](https://www.sec.gov/Archives/edgar/data/1728117/000172811726000104/0001728117-26-000104-index.htm)
- DEF 14A · filed 2026-09-16 · [filing](https://www.sec.gov/Archives/edgar/data/1728117/000172811726000102/0001728117-26-000102-index.htm)
- 8-K · filed 2026-09-16 · 5.02 Departure or Election of Directors; Appointment of Officers; 9.01 Financial Statements and Exhibits · [filing](https://www.sec.gov/Archives/edgar/data/1728117/000172811726000101/0001728117-26-000101-index.htm)
- 8-K · filed 2026-09-11 · 3.03 Material Modifications to Rights of Security Holders; 5.03 Amendments to Articles or Bylaws; Change in Fiscal Year; 8.01 Other Events; 9.01 Financial Statements and Exhibits · [filing](https://www.sec.gov/Archives/edgar/data/1728117/000172811726000094/0001728117-26-000094-index.htm)

## Sources

- facts: https://data.sec.gov/api/xbrl/companyfacts/CIK0001728117.json
- filings: https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1728117

## Cite

POPS4, Edgar & Edgarette: GOSSAMER BIO, INC. (GOSS) company card, from the company's own SEC filings, accessed 2026-11-04, https://www.pops4.com/boards/company/GOSS. CC BY 4.0. For a figure, add the filing URL under filings or sources.

DOI https://doi.org/10.5281/zenodo.23672509 · catalog https://www.pops4.com/boards/catalog.json · Figures as filed with the SEC. Card text CC BY 4.0, POPS4.

Reporting, not investment advice. No price targets and no trading recommendations.

Figures are as filed in audited 10-K reports and can move with restatements, acquisitions, disposals or a change in fiscal year. A range set from how past company-years turned out is not a promise about the next one, and says nothing about the share price.