# Insidewell API by CyberMax

> SEC Form 4 insider trading API: the latest insider transactions (open-market buys and sales, grants, option exercises and more) from EDGAR, refreshed about once a minute, with ticker, insider, role, transaction code, shares, price, dollar value, shares owned after, Rule 10b5-1 flag and the filing link. Filters: ticker, insider, code, minimum value, date range, role, 10b5-1 plan. Plus cluster buys (2+ insiders buying within 7 days). REST + MCP server. Information only, not investment advice.

> Paid API keys from $19/month (Watchlist: 10,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://insidewell-api.cybermaxtools.com/buy/watchlist?s=lead · all plans: https://insidewell-api.cybermaxtools.com/docs#pricing

Every SEC Form 4 insider trade, pulled from EDGAR about once a minute and cleaned into one table: filter by ticker, insider, buy or sale, dollar value and dates, or ask for cluster buys (2+ insiders buying the same stock within 7 days). For traders, analysts, newsletters, fintech builders and AI agents. Free tier, no key; plans from $5 (one-time pack) or $19/month.

## API (free tier without a key; paid API keys for more)
- [/api/trades](https://insidewell-api.cybermaxtools.com/api/trades?code=P&minValue=100000): Latest insider trades from SEC Form 4, filtered
- [/api/cluster-buys](https://insidewell-api.cybermaxtools.com/api/cluster-buys?days=14): Cluster buys: 2+ insiders buying the same stock within 7 days
- [/api/status](https://insidewell-api.cybermaxtools.com/api/status): Data freshness: last update, filings and trades in the window (free, not metered)
- GET for simple calls, POST a JSON body for lists. Same field names as the bulk version's dataset records.
- OpenAPI 3.1: https://insidewell-api.cybermaxtools.com/openapi.json

## MCP (remote, streamable HTTP, no auth)
- Endpoint: https://insidewell-api.cybermaxtools.com/mcp
- `insider_trades`: Latest insider transactions from SEC Form 4 filings (EDGAR, refreshed about once a minute), newest filed first, up to 100 rows: ticker, insider, role, code (P buy, S sale, ...), shares, price, dollar value, dates and the filing link. Defaults to open-market buys and sales filed in the last 7 days.
- `cluster_buys`: Companies where 2+ different insiders bought the stock on the open market within 7 days (window, minimum insiders and minimum dollars adjustable), with each insider, total dollars and filing links.
- `data_status`: When Insidewell last pulled new Form 4 filings from EDGAR and which filed dates it covers.

## Limits
- Up to 100 trades per call; 20 calls a minute per IP on the free tier.
- Free tier: 100 calls a day per IP, no key. Paid keys from $5 (one-time pack) or $19/month (see Get an API key).
- Rolling 45-day window of Form 4 and 4/A filings, pulled from SEC EDGAR about once a minute; each response says when the data was last updated.
- Non-derivative transactions (common stock and similar); option grants and other derivative rows are not included. Joint filings are attributed to the first reporting owner.
- Information only, not investment advice.

## More
- Health: https://insidewell-api.cybermaxtools.com/health
- All CyberMax tools: https://cybermax-tools-cybermax.static.hf.space/
- Up to 100 trades per call; page with offset. The free Hugging Face dataset has the full weekly snapshot; for scheduled watchlists that email or post new filings, Insidewell is also on the Apify Store.

## Pricing
- Free: 100 calls a day per IP, 20/min, no key.
- Watchlist: $19/month, 10,000 calls a month, 30/min. Buy: https://insidewell-api.cybermaxtools.com/buy/watchlist?s=llms
- Desk: $49/month, 50,000 calls a month, 60/min. Buy: https://insidewell-api.cybermaxtools.com/buy/desk?s=llms
- Fund: $99/month, 150,000 calls a month, 120/min. Buy: https://insidewell-api.cybermaxtools.com/buy/fund?s=llms
- Pay as you go: $5, 2,000 calls (one-time pack, no expiry), 30/min. Buy: https://insidewell-api.cybermaxtools.com/buy/payg?s=llms
- Watchlist yearly: $190/year, 10,000 calls a month, 30/min. Buy: https://insidewell-api.cybermaxtools.com/buy/watchlist-yearly?s=llms
- Desk yearly: $490/year, 50,000 calls a month, 60/min. Buy: https://insidewell-api.cybermaxtools.com/buy/desk-yearly?s=llms
- Fund yearly: $990/year, 150,000 calls a month, 120/min. Buy: https://insidewell-api.cybermaxtools.com/buy/fund-yearly?s=llms
- Using several CyberMax APIs? CyberMax API All-Access: one key for all 10 APIs (this one included, 10,000 calls a month here) for $119/month. https://api-all-access.cybermaxtools.com/
- Use the key as `x-api-key: KEY` or `Authorization: Bearer KEY` (MCP too). Usage: https://insidewell-api.cybermaxtools.com/key. Machine-readable: https://insidewell-api.cybermaxtools.com/pricing.json

## Pay per call (x402, USDC on Base): for AI agents, no key, no account
- $0.003 per call, paid in USDC on Base (x402 "exact" scheme, v1 and v2).
- https://insidewell-api.cybermaxtools.com/x402/api/trades: same as /api/trades, always pay-per-call (an unpaid call returns HTTP 402 with the payment requirements).
- https://insidewell-api.cybermaxtools.com/x402/api/cluster-buys: same as /api/cluster-buys, always pay-per-call (an unpaid call returns HTTP 402 with the payment requirements).
- Plain endpoints keep the free tier and API keys; with no key, they also answer 402 (instead of 429) once the free daily quota is used.
- Send the signed payment as X-PAYMENT (v1) or PAYMENT-SIGNATURE (v2); the receipt comes back in X-PAYMENT-RESPONSE / PAYMENT-RESPONSE. Failed calls are not charged.