What it does
Compare repeated SEC company-facts observations for the same XBRL tag and exact reporting period. Returns changed values with both filing dates and accession numbers; unchanged comparatives are omitted. A later reported difference can reflect an amendment, reclassification, or updated comparative and does not alone establish a formal restatement. Historical data review, not financial advice.
Changed observations with metric, tag, period, values, filing dates, and SEC accession numbers; unchanged observations are omitted.
Who it helps
Analysts checking whether a previously reported fact changed in a later SEC filing.
Inputs
Input names and constraints below come from the registered MCP tool schema.
| Input | What it controls |
|---|---|
| ticker required | US ticker symbol |
| period required | ZodDefault Default: annual. |
| metrics required | Up to six SEC financial metrics; defaults to revenue, net income, assets, and operating cash flow. |
| limit required | Maximum changed fact comparisons returned per metric. Default: 20. |
Example request
Check whether Apple's annual revenue or net income facts changed in later SEC filings.
{
"ticker": "AAPL",
"period": "annual",
"metrics": [
"revenue",
"netIncome"
],
"limit": 20
}What to expect
Changed observations with metric, tag, period, values, filing dates, and SEC accession numbers; unchanged observations are omitted.
Important limits
A changed fact can reflect an amendment, reclassification, or updated comparative. This comparison alone does not establish a formal restatement or explain why a value changed.
Data sources and verification
EdgarStack uses SEC EDGAR filings and, for applicable tools, SEC XBRL company-facts data. Coverage depends on the issuer, filing, taxonomy tags, and tool inputs. Follow the source filing references and verify material facts against the official filing.