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FIRST INTERSTATE BANCSYSTEM INC

State Commercial Banks · DE · CIK 860413

First Interstate BancSystem Inc makes loans and extends credit, primarily in commercial real estate and business sectors

red 8-K · 90d
$3.60B
Market cap
$38.59
Last close
-0.1%
1D
+5.1%
5D
980K
Volume
Price · last 39 sessions+10.3%
May 4L $34.08 · H $38.63Jun 29
212
Total filings
May 29, 2026
Last filing
12/31
Fiscal year end
8-KExecutive Change · Bylaw AmendmentMay 29, 20268-KExecutive ChangeMay 13, 202610-Q10-QMay 7, 20268-KResults of Operations · Reg FD DisclosureApr 29, 2026DEFA14ADEFA14AApr 16, 2026DEF 14ADEF 14AApr 16, 202610-K10-KFeb 26, 20268-KResults of Operations · Reg FD DisclosureJan 28, 20268-KExecutive ChangeNov 18, 202510-Q10-QNov 6, 20258-KResults of Operations · Reg FD DisclosureOct 29, 20258-KReg FD DisclosureOct 16, 20258-KReg FD DisclosureOct 14, 20258-KExecutive Change · Reg FD DisclosureSep 9, 20258-KExecutive ChangeSep 2, 20258-K/AExecutive ChangeAug 29, 20258-KCompany UpdateAug 28, 20258-KAgreement Terminated · Company UpdateAug 18, 20258-KExecutive ChangeAug 15, 202510-Q10-QAug 6, 20258-KResults of Operations · Reg FD DisclosureJul 29, 20258-KCompany UpdateJul 3, 20258-KMaterial Agreement · New Debt / ObligationJun 10, 2025424B5424B5Jun 6, 20258-KReg FD Disclosure · Company UpdateJun 6, 2025424B5424B5Jun 5, 20258-KReg FD DisclosureJun 2, 20258-KExecutive Change · Reg FD DisclosureJun 2, 20258-KExecutive Change · Bylaw AmendmentMay 23, 2025DEFA14ADEFA14AMay 16, 202510-Q10-QMay 7, 20258-KResults of Operations · Reg FD DisclosureApr 29, 20258-KReg FD DisclosureApr 28, 2025DEFA14ADEFA14AApr 8, 2025DEF 14ADEF 14AApr 8, 20258-KExecutive ChangeMar 19, 202510-K10-KFeb 28, 20258-KExecutive ChangeFeb 26, 20258-KExecutive Change · Reg FD DisclosureFeb 25, 20258-KResults of Operations · Reg FD DisclosureJan 29, 20258-KMaterial Impairment · Results of OperationsJan 10, 202510-Q10-QNov 4, 20248-KResults of Operations · Reg FD DisclosureOct 24, 20248-KExecutive Change · Reg FD DisclosureOct 9, 202410-Q10-QAug 2, 20248-KResults of Operations · Reg FD DisclosureJul 25, 20248-KExecutive ChangeJul 12, 20248-KExecutive ChangeJun 14, 20248-KExecutive Change · Shareholder VoteMay 23, 2024DEFA14ADEFA14AMay 7, 202410-Q10-QMay 3, 2024DEFA14ADEFA14AApr 30, 20248-KResults of Operations · Reg FD DisclosureApr 24, 2024DEFA14ADEFA14AApr 11, 2024DEF 14ADEF 14AApr 11, 20248-KExecutive ChangeApr 4, 202410-K10-KFeb 29, 2024SC 13GSC 13GFeb 9, 20248-KResults of Operations · Reg FD DisclosureJan 30, 2024SC 13GSC 13GJan 30, 20248-KMaterial AgreementDec 14, 20238-KExecutive ChangeDec 1, 20238-KAuditor ChangeNov 30, 202310-Q10-QNov 3, 20238-KResults of Operations · Reg FD DisclosureOct 25, 20238-KExecutive ChangeAug 28, 202310-Q10-QAug 4, 20238-KResults of Operations · Reg FD DisclosureJul 26, 20238-KExecutive ChangeJun 30, 20238-KResults of OperationsMay 25, 20238-KExecutive Change · Security-Holder RightsMay 25, 2023DEFA14ADEFA14AMay 12, 202310-Q10-QMay 5, 2023DEFA14ADEFA14AMay 5, 20238-KResults of Operations · Reg FD DisclosureApr 26, 2023DEFA14ADEFA14AApr 11, 2023DEF 14ADEF 14AApr 11, 20238-KBylaw AmendmentMar 16, 202310-K10-KFeb 24, 20238-KExecutive ChangeFeb 10, 2023

Insider Activity

In the 90 days to Mar 26, 2026: 2 sold $283K.

DateInsiderActionSharesPriceValue
Mar 26, 2026Harrison William Scott TrustTenPercentOwnerSell3,000$33.45$100K
Jan 6, 2026Ixl Ltd Liability CoTenPercentOwnerSell1,827$36.92$67K
Jan 5, 2026Ixl Ltd Liability CoTenPercentOwnerSell3,173$36.20$115K
Dec 1, 2025Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-TrusteesTenPercentOwnerSell10,000$32.75$328K
Nov 21, 2025Rae Ann Morss & John Heyneman Jr., Trustees Fbo Rae Ann Morss Exemption Trust Under The Scott Family 1996 TrustTenPercentOwnerSell30,432$31.03$944K
Nov 11, 2025Heyneman John M JrDirector,TenPercentOwnerSell15,000$32.14$482K
Nov 10, 2025Heyneman John M JrDirector,TenPercentOwnerSell20,000$32.06$641K
Nov 3, 2025Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-TrusteesTenPercentOwnerSell10,000$30.99$310K
Nov 3, 2025Jonathan Scott As Trustee Of The Jonathan R Scott Trust Dated As Of 4/21/04TenPercentOwnerSell4,800$31.27$150K
Oct 29, 2025Jonathan Scott As Trustee Of The Jonathan R Scott Trust Dated As Of 4/21/04TenPercentOwnerSell7,000$32.09$225K
Oct 9, 2025Jonathan Scott As Trustee Of The Jonathan R Scott Trust Dated As Of 4/21/04TenPercentOwnerSell685$31.66$22K
Oct 8, 2025Harrison William Scott TrustTenPercentOwnerSell5,600$32.01$179K
Oct 7, 2025Harrison William Scott TrustTenPercentOwnerSell13,715$32.09$440K
Oct 1, 2025Susan Scott Heyneman Trust, Susan Heyneman & First Interstate Wealth Management Co-TrusteesTenPercentOwnerSell10,000$31.59$316K

Open-market buys & sells (Form 4, transaction codes P/S). Source: SEC structured insider data.

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