Companies

Look up companies by CIK number to use across the Filings and Insider Transactions endpoints.

What is a CIK?

CIK (Central Index Key) is the SEC's unique identifier for each entity. You can find CIK numbers on the SEC EDGAR company search. Common examples:

Company	Ticker	CIK
Apple Inc.	AAPL	`320193`
Microsoft Corp.	MSFT	`789019`
Tesla Inc.	TSLA	`1318605`
Amazon.com Inc.	AMZN	`1018724`
NVIDIA Corp.	NVDA	`1045810`

Using CIK across endpoints

Endpoint	Parameter	Description
/filings	`cik`	Get all filings for a company
/insider-transactions	`issuerCik`	Get insider transactions for a company
/insider-transactions	`reportingOwnerCik`	Get all transactions by a specific insider

Examples

Get all filings for Apple

bash

curl "https://api.secdaily.io/filings?cik=320193&limit=10" \
  -H "x-api-key: YOUR_API_KEY"

Response:

json

{
  "filings": [
    {
      "id": "0000320193-24-000123",
      "formType": "10-K",
      "filingDateInEst": "2024-11-01",
      "entity": {
        "name": "Apple Inc.",
        "cik": "0000320193",
        "ticker": "AAPL"
      },
      "linkToFiling": "https://www.sec.gov/Archives/edgar/data/320193/000032019324000123/0000320193-24-000123-index.htm"
    }
  ],
  "count": 1247,
  "hasMore": true
}

Get insider transactions for Apple

bash

curl "https://api.secdaily.io/insider-transactions?issuerCik=320193&limit=10" \
  -H "x-api-key: YOUR_API_KEY"

Response:

json

{
  "insiderTransactions": [
    {
      "id": "abc123",
      "accessionNumber": "0001140361-25-001234",
      "issuerCik": "320193",
      "reportingOwnerCik": "1051401",
      "formType": "4",
      "filingDateInEst": "2025-01-16",
      "periodOfReportDate": "2025-01-15",
      "totalAmount": 1250000.00,
      "normalizedOfficerTitle": "CFO",
      "ownerRoles": "officer"
    }
  ],
  "count": 42,
  "recordedTimeInUtc": "2025-01-17T12:00:00Z"
}