SEC filings & market structure

Material Events (8-K)

Returns Form 8-K filings — the SEC's 'current report' form, filed within 4 business days of any material event at a publicly-traded company. Each record is one filing, with `item_codes` declaring WHAT kind of event(s) it covers.

EndpointGET /v1/material-events

SourceSEC Form 8-K

Authx-api-key — a free key works

What it returns

One record per result. Fields (from a live response):

Identity — company_cik, company_name
Subject — ticker
Dates — filing_date, period_of_report
Provenance — sec_filing_url, data_source, accession_number, primary_document_url, original_accession_number
Details — item_codes, id, is_amendment

Filters

ticker	Stock symbol filter, e.g. 'AAPL'. Case-insensitive.
company_cik	SEC CIK number (10-digit, padded with leading zeros). Alternative to ticker.
item_codes	Array of item codes to filter on (OR semantics). E.g., ['5.02'] for exec changes, ['1.01','2.01'] for any deal activity. Max 30 codes per query.…
is_amendment	Filter to only original 8-Ks (false) or only amendments / 8-K/A filings (true). Omit to include both.
since	ISO date (YYYY-MM-DD). Only records on or after this date, using sort_by as the date field.
until	ISO date (YYYY-MM-DD). Only records on or before this date.
sort_by	Field used for ordering and for since/until filters. filing_date = when filed with SEC; period_of_report = when the underlying event occurred.…
sort_order	Default: desc (most recent first).
limit	Maximum records to return. Default 50, max 500.

Example request

curl "https://api.keyvex.com/v1/material-events?ticker=AAPL&limit=1" \
  -H "x-api-key: YOUR_KEY"

Response

{
  "results": [
    {
      "ticker": "",
      "sec_filing_url": "https://www.sec.gov/Archives/edgar/data/2061670/000206167026000060",
      "filing_date": "2026-06-22",
      "data_source": "SEC_EDGAR_8K",
      "accession_number": "0002061670-26-000060",
      "primary_document_url": "https://www.sec.gov/Archives/edgar/data/2061670/000206167026000060/mlend-20260622.htm",
      "company_cik": "0002061670",
      "company_name": null,
      "item_codes": [
        "8.01"
      ],
      "original_accession_number": null,
      "id": "0002061670-26-000060",
      "is_amendment": false,
      "period_of_report": "2026-06-22"
    }
  ],
  "count": 1,
  "has_more": true
}

Example questions you can answer

Recent 8-K material events for a ticker.
M&A, executive-change, or earnings 8-Ks across the market.

Related datasets

Insider TransactionsSEC Form 4 / 5 insider buys and sells.Planned Insider SalesSEC Form 144 Institutional Holdings (13F)SEC Form 13F Activist Stakes (13D / 13G)SEC Schedule 13D / 13G

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