# Finnhub Insider Transactions via API OSK Gateway

> Finnhub Insider Transactions via API OSK Gateway is a paid API for AI agents from gateway.apiosk.com, paid per call via x402, $0.15/call, status unknown (last checked 2026-09-14).

Retrieves stock insider transaction data (buys/sells) for a given company symbol and date range via Finnhub, proxied through the API OSK gateway with x402 micropayment.

## Facts

- Endpoint: GET https://gateway.apiosk.com/finnhub/stock/insider-transactions
- Price: $0.15/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/finnhub-insider-transactions-via-api-osk-gateway-08b6b017
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_aLv5H2NbTJ_wRoB3ODYDo

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability finnhub-insider-transactions-via-api-osk-gateway-08b6b017
```

Example prompt: Can you pull the insider transactions for AAPL from January 1, 2025 to April 30, 2025 — I want to see what executives have been buying or selling?

## When to prefer this

Use this endpoint when you need detailed insider buying/selling transaction data for a specific publicly traded company, optionally filtered by date range. Prefer this over general stock data endpoints when the goal is to track executive or director trading behavior, SEC Form 4 filings, or insider sentiment signals for investment research.

## Known failure modes

- Missing required 'symbol' parameter returns a 400 error
- Invalid stock ticker returns empty data array
- Date format not matching YYYY-MM-DD may cause 400 or empty response
- Payment not fulfilled via x402 protocol returns 402 Payment Required
- Date range with no transactions returns empty data array
- Network timeout from upstream Finnhub API returns 5xx error

## How this service works

Insider buy/sell transactions from Form 3/4/5, SEDI and company filings (US, UK, CA, AU, IN and major EU markets). Max 100 transactions per call.

## Output

Returns an array of insider transaction records for the specified stock symbol, each including the insider's name, share count, change in shares, filing date, transaction code (e.g. 'S' for sale), transaction date, and transaction price, along with the stock symbol.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/finnhub-insider-transactions-via-api-osk-gateway-08b6b017/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from gateway.apiosk.com](https://www.zero.xyz/host/gateway.apiosk.com/llms.txt)