Chadwin

Stock market data for agents. Run market-wide research faster, cheaper, and better.

$ Complete Chadwin CLI login in your browser:https://www.chadwin.co/cli-auth/activate?user_code=ABCD-2345Signed in $ Sync completeData root: ~/Library/Application Support/Chadwin/data $ Verification completeAuth: signed inData: validAPI: reachable $ Data is currentCurrent snapshot: Jun 8, 2026 07:30:00 UTC

Download the CLI to get started

curl -fsSL https://www.chadwin.co/install.sh | sh
Read CLI docs

Built for market-wide search

Compact local data indexes enable fast screens without dozens of slow API calls

Data where agents already work

Local data, ready for grep, find, jq, Python, and DuckDB and more

Evidence on demand

API to fetch full filings and source artifacts for deeper context

Data coverage

We‘re launching with an insider trading data set and will rapidly expand coverage

Available now

  • Insider transactions

    SEC Form 3, 4, and 5 activity normalized for market-wide screening

  • Complete company lists

    The current universe of public companies and tickers for broad research

Coming next

  • Annual and quarterly financial statements

    Normalized income statement, balance sheet, and cash flow for the entire market

  • 10-K, 10-Q, 20-F, and 40-F filings

    Annual and quarterly filings in clean, token-efficient markdown

  • 8-K filings

    Current report filings for material events and company announcements

  • 6-K filings

    Foreign issuer reports for international companies listed in US markets

  • 13-F institutional holdings

    Institutional portfolio disclosures for ownership and positioning research

Get 50% off your first three months

Use code BETA50 at checkout

Get started