ST
Insider
Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees
10% ownerSusan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees (10% owner) filed 3 Form 4 reports as a reporting entity in the trailing twelve months (0 purchases, 3 sales), most often in First Interstate BancSystem, Inc. (FIBK). The largest single filing was $328K of FIBK (10,000 sh × $32.75, as filed), executed Dec 1 2025.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
3
0 buys · 3 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$953K
shares × price, as filed
Last traded
Dec 1 2025
Filed Dec 1 2025
Median ADV $42.3M across their filed names
Open performance→Volume by month
Buys $0
Sells $4.5M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Financial Services
3 filings
Sector per market data · by filing · past 12 months
Most traded names
FIBKRecent filings
FIBKSALE
First Interstate BancSystem, Inc.
View filing →
$328K10,000 sh × $32.75
Exec Dec 1 2025
Filed Dec 1 2025 · 5:30 PM ET FIBKSALE First Interstate BancSystem, Inc. View filing → $310K
10,000 sh × $30.99
Exec Nov 3 2025
Filed Nov 3 2025 · 5:30 PM ET FIBKSALE First Interstate BancSystem, Inc. View filing → $316K
10,000 sh × $31.59
Exec Oct 1 2025
Filed Oct 3 2025 · 5:30 PM ET FIBKSALE First Interstate BancSystem, Inc. View filing → $323K
10,000 sh × $32.28
Exec Sep 2 2025
Filed Sep 2 2025 · 5:30 PM ET FIBKSALE First Interstate BancSystem, Inc. View filing → $1.5M
55,000 sh × $27.86
Exec Aug 1 2025
Filed Aug 1 2025 · 5:30 PM ET FIBKSALE First Interstate BancSystem, Inc. View filing → $1.7M
55,000 sh × $31.11
Exec Jul 14 2025
Filed Jul 15 2025 · 5:30 PM ET