William L Mack — Insider Trading History & SEC Filings
SEC CIK 1051774 — Director
William L Mack is a corporate insider tracked via SEC EDGAR filings. Officers, directors, and 10%+ beneficial owners must report transactions in their company's stock on Form 4, typically within two business days. This page shows William L Mack's reported transactions, current holdings across companies, and filing history.
Frequently asked questions
Who is William L Mack?
William L Mack is a corporate insider (SEC CIK 1051774) with reported roles including Director. This page tracks their SEC Form 4, Form 3, and Form 5 filings, current holdings, and transaction history.
How current is this insider data?
Insiders must report transactions to the SEC typically within two business days. finshort ingests new EDGAR filings continuously, so transactions appear shortly after they are filed.