Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees sold $316K of First Interstate BancSystem (FIBK)

Executed Oct 1 2025, disclosed Oct 3 2025, 2 days later.

Value, as filed

$316K

10,000 sh × $31.59

Executed

Oct 1 2025

the trade date, as filed

Disclosed

Oct 3 2025

2 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

ST Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees 10% owner profile →

Susan 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.

The name

FIBK

First Interstate BancSystem, Inc. FIBK · Financial Services · 27 filings in 24 months ticker →

Financial Services · First Interstate BancSystem, Inc. operates as a bank holding company for First Interstate Bank that provides a range of banking products an…

More Financial Services filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees in FIBK

FIBKSALE First Interstate BancSystem, Inc. $328K
10,000 sh × $32.75
Exec Dec 1 2025
Filed Dec 1 2025 · 5:30 PM ET FIBKSALE First Interstate BancSystem, Inc. $310K
10,000 sh × $30.99
Exec Nov 3 2025
Filed Nov 3 2025 · 5:30 PM ET FIBKSALE First Interstate BancSystem, Inc. $323K
10,000 sh × $32.28
Exec Sep 2 2025
Filed Sep 2 2025 · 5:30 PM ET FIBKSALE First Interstate BancSystem, Inc. $1.5M
55,000 sh × $27.86
Exec Aug 1 2025
Filed Aug 1 2025 · 5:30 PM ET FIBKSALE First Interstate BancSystem, Inc. $1.7M
55,000 sh × $31.11
Exec Jul 14 2025
Filed Jul 15 2025 · 5:30 PM ET