Insider Summary API: Summarize insider activity for one issuer — SEC Form 4

Summarize insider activity for one issuer — returns filings, distinct insiders, buy/sell/net USD and largest transactions over a chosen window. Use for a cheap net-buying signal before pulling full transaction lines.

Free — no key, no signup, rate-limited to 60 calls per minute per client.

How do you call it?

GET /v1/sec/insider/summary — product id sec_insider_summary. Over MCP, call answerpool_get with product_id=sec_insider_summary.

curl "https://answerpool.io/v1/sec/insider/summary?ticker=JEF"

Live call: https://answerpool.io/v1/sec/insider/summary?ticker=JEF · JSON sample: /v1/samples/sec_insider_summary

What does the answer look like?

A representative response, the same static sample served at /v1/samples/sec_insider_summary.

{
 "as_of": "2026-08-31T14:00:00Z",
 "index_started_at": "2026-08-27T00:00:00Z",
 "window_days": 30,
 "cik": "0000096223",
 "ticker": "JEF",
 "company": "JEFFERIES FINANCIAL GROUP INC.",
 "filings": 3,
 "distinct_insiders": 3,
 "buy_usd": 4500000.0,
 "sell_usd": 0.0,
 "net_usd": 4500000.0,
 "largest_buy_usd": 1500000.0,
 "largest_sale_usd": 0.0,
 "refresh_after": "2026-09-17T11:15:00.000Z"
}

How fresh is it, and where does the data come from?

The fastest source behind this answer can change every 15 minutes, so every response carries a refresh_after timestamp — right now it would be 2026-09-17T11:15:00.000Z. Schedule the next call on that value rather than on a guess.

• SEC EDGAR (US federal public domain) — upstream: https://efts.sec.gov

Method version 0.1.0 · serving cache 1 day · every response carries a result_id you can resolve at /v1/provenance.

When should you use it?

Quick per-company insider signal in one call.

What you skip building

• Form 4 aggregation
• buy/sell math
• owner dedup

When should you not use it?

You need per-line detail — use transactions; or market-wide — use screen.

Where else can you find this?

• Catalog entry (JSON, free)
• OpenAPI schema — input and output types, prices, the 402 flow
• llms.txt — every product in one plain-text document