Sigma Lithium Corporation (SGML)

Nasdaq: SGML · Metal Mining · Sao Paulo, BR · filing with the SEC since 2021

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Grade4.8

◀ Past 6.5● Present 3.5▶ Future 4.0

5 est.

Overview Business Financials Grade Forecast Sentiment Ownership People Filings Patents Chart

The grade of Sigma Lithium Corporation

Nine metrics read from its own filings, by tense

Headline grade

4.8/10

◀ Past6.540% of the headline

● Present3.535% of the headline

▶ Future4.025% of the headline

All three tenses have at least two readings, so the archetype blend applies as printed.

Of the nine metrics, 4 read as filed from the record and 5 are SI estimates, each with its reasoning, its confidence and what would change it on its card.

◀ Past

What did they actually do?

6.5/1040% of the headline grade · 1 of 3 filed, 2 estimated

Surviving crises

as filed

6.8/10

Has it survived what it has been through?

No warning events in its filings since 2021.

weight 45% of this tense · 68th percentile among 44 sector filers · read for itself

From the record

Sigma Lithium Corporation's filings since 2021 show no warning events in the scan: no bankruptcy or receivership notice, no debt default notice, no exchange listing notice, no restatement warning, no auditor change, no material cyber incident and no late-report notice (its current reports).

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Track record

SI estimate

5.7/10

What has it actually done, year after year?

SI estimate 5.7/10, confidence 20 of 100 (family median).

weight 33% of this tense · 50th percentile among 22 sector filers · read for its customers

SI estimate Inferred, not read as filed

Why it is an estimate: Fewer than three filed years of revenue on file, so the desk assumes the typical reading of its industry family, the median of 22 members with one.
What the record cannot read: Fewer than three filed years of revenue on file.
How it was reasoned: family median, 22 readings behind it.
Confidence: 20 of 100
What would change it: Its next annual report on file with the inputs replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: Sigma Lithium Corporation's track record is put at 5.7 of 10 with a confidence of 20 of 100, because fewer than three filed years of revenue on file, so the desk assumes the typical reading of its industry family, the median of 22 members with one. Its next annual report on file with the inputs replaces this estimate with the filed reading.

Shareholder treatment

SI estimate

6.9/10

How has it treated the people who own it?

SI estimate 6.9/10, confidence 35 of 100 (one part).

weight 22% of this tense · 69th percentile among 35 sector filers · read for its shareholders

SI estimate Inferred, not read as filed

Why it is an estimate: Read from one part only, the share count over the years, which ranks in the top 31% of 35 in its family; fewer than two of the parts can be read: the share count over the years, and the cash returned against a positive operating cash flow or net income.
What the record cannot read: Fewer than two of the parts can be read: the share count over the years, and the cash returned against a positive operating cash flow or net income.
How it was reasoned: one part: the share count over the years, the one part on file, ranked among 35 in its family.
Confidence: 35 of 100
What would change it: A filing that carries the missing parts replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: Sigma Lithium Corporation's shareholder treatment is put at 6.9 of 10 with a confidence of 35 of 100, because read from one part only, the share count over the years, which ranks in the top 31% of 35 in its family; fewer than two of the parts can be read: the share count over the years, and the cash returned against a positive operating cash flow or net income. A filing that carries the missing parts replaces this estimate with the filed reading.

● Present

What are they doing right now?

3.5/1035% of the headline grade · 2 of 3 filed, 1 estimated

Financial health

as filed

3.1/10

Is it financially healthy right now?

ROE -89%: lost 89¢ per shareholder dollar. Leverage 81%: owes 81¢ per asset dollar.

weight 45% of this tense · 31st percentile among 35 sector filers · read for itself

From the record

Return on equity: in the fiscal year ended 2025-12-31, Sigma Lithium Corporation lost about 89 cents for every dollar of shareholders' money, and gross profitability: its products earned about 6 cents per dollar of everything the company owns. Leverage: it owed about 81 cents per dollar of assets, and net share issuance: its share count grew 0.5% over the year (the filed statements).

What it rests on

what it owes per dollar of assetsbottom 10% of its family
return on equitybottom 2% of its family
gross profit against assetsbottom 34% of its family
the share count against the year beforetop 23% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Industry position

as filed

3.1/10

How strong is its position in its industry?

bottom 31% of 24 in its family; net margin -45.6%.

weight 33% of this tense · 31st percentile among 24 sector filers · read for its customers

From the record

Sigma Lithium Corporation's standing among 24 graded names in its industry family: revenue of $110 million in fiscal 2025 ranks in the bottom 41% by size; a net margin of -45.6% ranks in the bottom 40%; revenue growth of -27.3% a year over the last 1 filed years ranks in the bottom 11% (its annual reports).

What it rests on

revenue against the family$110Mbottom 41% of its family
net margin-45.6%bottom 40% of its family
three-year revenue growth-27.3%bottom 11% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Leadership

SI estimate

5.0/10

What are the people in charge doing?

SI estimate 5.0/10, confidence 20 of 100 (family median).

weight 22% of this tense · 50th percentile among 19 sector filers · read for its shareholders

SI estimate Inferred, not read as filed

Why it is an estimate: It files no Form 8-K (a foreign issuer reports on Form 6-K), so officer and director changes cannot be read there; no officer or director has filed a Form 3, 4 or 5 for it in the last fifteen months, so the years in charge cannot be read, so the desk assumes the typical reading of its industry family, the median of 19 members with one.
What the record cannot read: It files no Form 8-K (a foreign issuer reports on Form 6-K), so officer and director changes cannot be read there; no officer or director has filed a Form 3, 4 or 5 for it in the last fifteen months, so the years in charge cannot be read.
How it was reasoned: family median, 19 readings behind it.
Confidence: 20 of 100
What would change it: Its next annual report on file with the inputs replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: Sigma Lithium Corporation's leadership is put at 5.0 of 10 with a confidence of 20 of 100, because it files no Form 8-K (a foreign issuer reports on Form 6-K), so officer and director changes cannot be read there; no officer or director has filed a Form 3, 4 or 5 for it in the last fifteen months, so the years in charge cannot be read, so the desk assumes the typical reading of its industry family, the median of 19 members with one. Its next annual report on file with the inputs replaces this estimate with the filed reading.

▶ Future

What are they set up to do next?

4.0/1025% of the headline grade · 1 of 3 filed, 2 estimated

Room to expand

as filed

2.2/10

How much room does it have to grow?

bottom 22% of 20 in its family for room to expand.

weight 22% of this tense · 22nd percentile among 20 sector filers · read for itself

From the record

Sigma Lithium Corporation's room to grow, from the newest filed statements (fiscal 2025): cash of $6 million against debt of $141 million leaves -45.7% of its assets as net cash, bottom 5% of its family; cash from operations less capital spending is -6.8% of revenue (bottom 39%); a gross margin of 16.7% (bottom 22%) (its annual report).

What it rests on

cash less debt against assets-45.7%bottom 5% of its family
cash from operations less capital spending against revenue-6.8%bottom 39% of its family
gross margin16.7%bottom 22% of its family

A production reading, recomputed from the filings on every data build, read from EDGAR Nov 13, 2026.

Growth drivers

SI estimate

4.7/10

What could actually drive growth from here?

SI estimate 4.7/10, confidence 20 of 100 (family median).

weight 33% of this tense · 50th percentile among 21 sector filers · read for its customers

SI estimate Inferred, not read as filed

Why it is an estimate: The record does not carry three filed years of revenue and two of the four parts: acceleration, the newest year's growth, the growth of research and of capital spending, so the desk assumes the typical reading of its industry family, the median of 21 members with one.
What the record cannot read: The record does not carry three filed years of revenue and two of the four parts: acceleration, the newest year's growth, the growth of research and of capital spending.
How it was reasoned: family median, 21 readings behind it.
Confidence: 20 of 100
What would change it: Its next annual report on file with the inputs replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: Sigma Lithium Corporation's growth drivers is put at 4.7 of 10 with a confidence of 20 of 100, because the record does not carry three filed years of revenue and two of the four parts: acceleration, the newest year's growth, the growth of research and of capital spending, so the desk assumes the typical reading of its industry family, the median of 21 members with one. Its next annual report on file with the inputs replaces this estimate with the filed reading.

Expectations vs reality

SI estimate

4.4/10

Did its newest year beat what its own record pointed to?

SI estimate 4.4/10, confidence 20 of 100 (family median).

weight 45% of this tense · 50th percentile among 18 sector filers · read for its shareholders

SI estimate Inferred, not read as filed

Why it is an estimate: The record does not carry four filed years of revenue and two of the three parts: revenue against the prior pace, earnings against the prior average, the margin change, so the desk assumes the typical reading of its industry family, the median of 18 members with one.
What the record cannot read: The record does not carry four filed years of revenue and two of the three parts: revenue against the prior pace, earnings against the prior average, the margin change.
How it was reasoned: family median, 18 readings behind it.
Confidence: 20 of 100
What would change it: Its next annual report on file with the inputs replaces this estimate with the filed reading.

From the record

SI estimate, not a filed reading: Sigma Lithium Corporation's expectations vs reality is put at 4.4 of 10 with a confidence of 20 of 100, because the record does not carry four filed years of revenue and two of the three parts: revenue against the prior pace, earnings against the prior average, the margin change, so the desk assumes the typical reading of its industry family, the median of 18 members with one. Its next annual report on file with the inputs replaces this estimate with the filed reading.

The grade is the company against its own industry, from its filings. It is not a view on the share price. How the grade is made

SI Assistanton SGML · research, not advice