# Sigma Lithium Corporation (SGML)

- Sector: Materials · Industry: Other Industrial Metals and Mining
- SEC CIK: 0001848309 ([filings on EDGAR](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0001848309))
- Full page: https://inspectstocks.com/stocks/sgml
- Data as of: price 2026-09-25; newest filing used 2026-03-30; latest fiscal period ended 2025-12-31

## Grade

**F-** on the balance-sheet rubric used for lenders, 1 of 5 checks passed.

| Check | Result | Now | Before |
| --- | --- | --- | --- |
| Profitable | failed | -$50.2M |  |
| Earnings growing overall | failed | -$50.2M | -$28.3K |
| Earnings growing recently | passed | -$50.2M | -$51.4M |
| Earns well on its assets | failed | -17.1% |  |
| Book value per share growing | failed | $0.51 | $1.34 |

Business quality (the + / − mark): 0 of 6 checks passed.

| Check | Result | Now | Before |
| --- | --- | --- | --- |
| Profitable | failed | -45.6% |  |
| Healthy profit margin | failed | -45.6% |  |
| Strong operating margin | failed | -38.6% |  |
| Good return on equity | failed | -88.6% |  |
| Debt under control | failed | 2.53 |  |
| Turns sales into cash | failed | -6.8% |  |

How the grade works: the letter counts failed checks (none → A, one → B, two → C, three → D, four or more → F). It is built from SEC filings only — the share price never enters it — and describes the business, not whether the stock is worth buying.

## Key figures

In US dollars, as filed.

| Measure | Value |
| --- | --- |
| Revenue, trailing twelve months | $110M |
| Net income, trailing twelve months | -$50.2M |
| Free cash flow, trailing twelve months | -$7.4M |
| Net margin | -45.6% |
| Operating margin | -38.6% |
| Return on equity | -88.6% |
| Debt to equity | 2.53 |
| Diluted EPS, trailing twelve months | -$0.45 |
| Share price | $9.58 |
| Market value | $1.1B |
| Price / sales | 9.7x |

## More on this company

- [Overview](https://inspectstocks.com/stocks/sgml)
- [Financial statements](https://inspectstocks.com/stocks/sgml/financials)
- [Competitors](https://inspectstocks.com/stocks/sgml/peers)
- [Earnings](https://inspectstocks.com/stocks/sgml/earnings)

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Source: InspectStocks, built from the company’s own SEC filings. This describes a business — it is not investment advice and not a recommendation to buy or sell anything.