AnswerPool

Insider Code Glossary API: Explain Form 4 transaction codes — free lookup

Explain Form 4 transaction codes — P purchase, S sale, A award, F tax withholding, M exercise and the rest. Free. Use once so an insider screen filters on the right codes instead of guessing.

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

How do you call it?

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

curl "https://answerpool.io/v1/sec/insider/codes"

Live call: https://answerpool.io/v1/sec/insider/codes · JSON sample: /v1/samples/sec_transaction_codes

What does the answer look like?

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

as_of2026-08-31T14:00:00Z
count1
refresh_after2026-09-17T11:15:00.000Z

entries

codenamedescriptioncovered
Popen_market_purchaseOpen-market or private purchase.true
The same sample as raw JSON
{
 "as_of": "2026-08-31T14:00:00Z",
 "count": 1,
 "entries": [
  {
   "code": "P",
   "name": "open_market_purchase",
   "description": "Open-market or private purchase.",
   "covered": true
  }
 ],
 "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.

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?

Before filtering insider transactions by code or direction.

What you skip building

When should you not use it?

n/a - free reference data.

Where else can you find this?