Heyneman John M Jr

Heyneman John M Jr is listed in filings as Director, 10% Owner at First Interstate BancSystem, Inc.. This profile follows SEC Form 4 activity through Jun 3, 2026, including sale activity. Recent filings connect the profile to First Interstate BancSystem, Inc. (FIBK). The current snapshot covers public activity from Aug 1, 2024 to Jun 3, 2026. Reported amounts are shown as $944.3K to $641.2K. The page organizes purchases, sales, issuer links, reported share activity, and filing evidence for review as public disclosure data.