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FIBK
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First Interstate BancSystem, Inc.

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

First Interstate BancSystem, Inc. (FIBK), in the Financial Services sector, has 19 disclosed filings on Paydirt over the trailing twelve months from 8 corporate insiders: 0 purchases and 19 sales. Filers took a median of 0 days from execution to disclosure, and the most recent trade was executed Sep 16 and filed Sep 16. The most active filer was Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees with 6 filings.

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Filings, ttm
19
0 buys · 19 sells
Traders, ttm
8
8 insiders
Volume, ttmiDollar value disclosed in the window
$9.1M
estimated for Congress, as filed for insiders
Median delay
0d
execution to disclosure
Last traded
Sep 16
Filed Sep 16
ADViAverage daily dollar volume
$42.3M
market data
Share price · 12M
$37.35 (+20.2%)
$39.73$33.78$27.83Sep 22 2025Mar 23Sep 18

Adjusted for splits and dividends.

Volume by month
$3.2M$1.6M$0Oct 2024Apr 2025Oct 2025Apr 2026Nov 2024 · sells $3.2MJul 2025 · sells $1.7MAug 2025 · sells $1.9MSep 2025 · sells $323KOct 2025 · sells $1.2MNov 2025 · sells $2.5MDec 2025 · sells $328KJan 2026 · sells $115KMar 2026 · sells $100KMay 2026 · sells $1.9MJun 2026 · sells $1.5MJul 2026 · sells $403KSep 2026 · sells $1.0M
Buys $0 Sells $16.2M

Estimated for Congress, as filed for insiders · by filing month · past 24 months

Who filed
ST Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-Trustees 10% owner 6 filings JO Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04 10% owner 5 filings JS Jonathan R Scott Director 4 filings JJ John M Heyneman Jr Director 3 filings HT Harrison William Scott Trust 10% owner 2 filings IC IXL Ltd Liability Co 10% owner 2 filings JT Juliana Sarah Scott Rose Trust 10% owner 2 filings ET Elizabeth Lauren Scott Rose Trust 10% owner 1 filing
Recent filings
Julie A ScottSALE 10% owner $102K
2,700 sh × $37.64
Exec Sep 16
Filed Sep 16 · 7:04 PM ET Jonathan R ScottSALE 10% owner $301K
8,071 sh × $37.29
Exec Sep 14
Filed Sep 14 · 7:21 PM ET Jonathan R ScottSALE 10% owner $627K
16,929 sh × $37.03
Exec Sep 11
Filed Sep 14 · 1:31 PM ET Jonathan R ScottSALE 10% owner $403K
10,000 sh × $40.30
Exec Jul 16
Filed Jul 16 · 7:01 PM ET Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04SALE 10% owner $163K
4,500 sh × $36.29
Exec Jun 17
Filed Jun 18 · 5:30 PM ET Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04SALE 10% owner $339K
9,390 sh × $36.11
Exec Jun 18
Filed Jun 18 · 5:30 PM ET Elizabeth Lauren Scott Rose TrustSALE 10% owner $540K
15,000 sh across 3 lots
Exec Jun 18
Filed Jun 18 · 5:30 PM ET IXL Ltd Liability CoSALE 10% owner $459K
12,892 sh × $35.58
Exec Jun 4
Filed Jun 4 · 5:30 PM ET Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04SALE 10% owner $1.9M
53,504 sh × $35.42
Exec Apr 30
Filed May 1 · 5:30 PM ET Harrison William Scott TrustSALE 10% owner $100K
3,000 sh × $33.45
Exec Mar 26
Filed Mar 27 · 5:30 PM ET IXL Ltd Liability CoSALE 10% owner $115K
3,173 sh × $36.20
Exec Jan 5
Filed Jan 6 · 5:30 PM ET Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-TrusteesSALE 10% owner $328K
10,000 sh × $32.75
Exec Dec 1 2025
Filed Dec 1 2025 · 5:30 PM ET John M Heyneman JrSALE Director $944K
30,432 sh × $31.03
Exec Nov 21 2025
Filed Nov 25 2025 · 5:30 PM ET John M Heyneman JrSALE Director $1.1M
35,000 sh across 2 lots
Exec Nov 10 2025
Filed Nov 12 2025 · 5:30 PM ET Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-TrusteesSALE 10% owner $310K
10,000 sh × $30.99
Exec Nov 3 2025
Filed Nov 3 2025 · 5:30 PM ET Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04SALE 10% owner $150K
4,800 sh × $31.27
Exec Nov 3 2025
Filed Nov 3 2025 · 5:30 PM ET Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04SALE 10% owner $225K
7,000 sh × $32.09
Exec Oct 29 2025
Filed Oct 29 2025 · 5:30 PM ET Harrison William Scott TrustSALE 10% owner $619K
19,315 sh across 2 lots
Exec Oct 7 2025
Filed Oct 8 2025 · 5:30 PM ET Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-TrusteesSALE 10% owner $316K
10,000 sh × $31.59
Exec Oct 1 2025
Filed Oct 3 2025 · 5:30 PM ET Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-TrusteesSALE 10% owner $323K
10,000 sh × $32.28
Exec Sep 2 2025
Filed Sep 2 2025 · 5:30 PM ET John M Heyneman JrSALE Director $357K
11,818 sh × $30.19
Exec Aug 14 2025
Filed Aug 18 2025 · 5:30 PM ET Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-TrusteesSALE 10% owner $1.5M
55,000 sh × $27.86
Exec Aug 1 2025
Filed Aug 1 2025 · 5:30 PM ET Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-TrusteesSALE 10% owner $1.7M
55,000 sh × $31.11
Exec Jul 14 2025
Filed Jul 15 2025 · 5:30 PM ET First Interstate Bank TTEE for James R Scott Jr. GST Exempt Trust No 1 Dtd 12/11/2020SALE 10% owner $209K
6,067 sh × $34.50
Exec Nov 22 2024
Filed Nov 25 2024 · 5:30 PM ET Jonathan R ScottSALE Director $967K
28,550 sh across 2 lots
Exec Nov 12 2024
Filed Nov 14 2024 · 5:30 PM ET