# Horizon Kinetics Holding Corp (HKHC) SEC filings and CIK

Canonical: https://sec-api.dev/companies/hkhc

> HKHC’s SEC CIK is 0000088000 (88000).

Insider transactions in the latest quarter: 10 (10 purchases, 0 sales). https://sec-api.dev/insider-trading/hkhc

API: GET https://sec-api.dev/api/v1/filings?cik=88000

---
Independent. Not affiliated with, endorsed by, or sponsored by the U.S. Securities and Exchange Commission. Data is reproduced from public SEC filings and datasets. Not investment advice.
API: https://sec-api.dev/docs · ChatGPT app: https://chatgpt.com/plugins/plugin_asdk_app_6ae0ef2436ac8191941dae8a4d732669 · Free key: https://sec-api.dev/sign-up