{"transactions":[{"id":4617515,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-09-14T23:21:32.000Z","date":"2026-09-14","kind":"sale","planned":false,"acquired":false,"shares":8071,"price":37.29,"value":300967.59,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.10 to $37.44. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 453,200 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 sharesheld of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":817738,"source":{"system":"sec-edgar","filing":"0001493152-26-042633","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1909090/000149315226042633/ownership.xml","form_type":"4"}},{"id":4616695,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-09-14T17:31:56.000Z","date":"2026-09-11","kind":"sale","planned":false,"acquired":false,"shares":16929,"price":37.03,"value":626880.87,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $37.00 to $37.23. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 461,271 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 sharesheld of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":825809,"source":{"system":"sec-edgar","filing":"0001493152-26-042536","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/1909090/000149315226042536/ownership.xml","form_type":"4"}},{"id":708518,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-07-16T23:01:26.000Z","date":"2026-07-16","kind":"sale","planned":false,"acquired":false,"shares":10000,"price":40.3,"value":403000.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $40.12 to $40.57. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 478,200 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 sharesheld of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":842738,"source":{"system":"sec-edgar","filing":"0001493152-26-033609","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315226033609/ownership.xml","form_type":"4"}},{"id":732867,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-06-18T19:46:45.000Z","date":"2026-06-18","kind":"sale","planned":false,"acquired":false,"shares":9390,"price":36.11,"value":339072.9,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.00 to $36.33. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 488,200 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 sharesheld of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":852738,"source":{"system":"sec-edgar","filing":"0001493152-26-029300","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315226029300/ownership.xml","form_type":"4"}},{"id":732866,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-06-18T14:23:30.000Z","date":"2026-06-17","kind":"sale","planned":false,"acquired":false,"shares":4500,"price":36.29,"value":163305.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from\n$36.01 to $36.45. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First\nInterstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the\nnumber of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 497,590 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678\nshares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares\nheld of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of\nrecord by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the\nIssuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share\nbeneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such\nsecurities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any,\ntogether with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R.\nScott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":862128,"source":{"system":"sec-edgar","filing":"0001493152-26-029217","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315226029217/ownership.xml","form_type":"4"}},{"id":750258,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-06-04T22:41:20.000Z","date":"2026-06-04","kind":"sale","planned":false,"acquired":false,"shares":12892,"price":35.58,"value":458697.36,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.43 to $35.74. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 502,090 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":866628,"source":{"system":"sec-edgar","filing":"0001493152-26-027328","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315226027328/ownership.xml","form_type":"4"}},{"id":796239,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-05-01T18:58:56.000Z","date":"2026-04-30","kind":"sale","planned":false,"acquired":false,"shares":53504,"price":35.42,"value":1895111.68,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $35.13 to $35.70. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 514,982 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":879520,"source":{"system":"sec-edgar","filing":"0001493152-26-020876","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315226020876/ownership.xml","form_type":"4"}},{"id":826849,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-03-27T17:02:12.000Z","date":"2026-03-26","kind":"sale","planned":false,"acquired":false,"shares":3000,"price":33.45,"value":100350.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $33.31 to $33.55. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 568,486 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":933024,"source":{"system":"sec-edgar","filing":"0001493152-26-013130","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315226013130/ownership.xml","form_type":"4"}},{"id":948770,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-01-06T23:50:55.000Z","date":"2026-01-06","kind":"sale","planned":false,"acquired":false,"shares":1827,"price":36.92,"value":67452.84,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.42 to $37.15. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Composed of 571,486 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":936024,"source":{"system":"sec-edgar","filing":"0001493152-26-000677","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315226000677/ownership.xml","form_type":"4"}},{"id":948769,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2026-01-06T23:50:55.000Z","date":"2026-01-05","kind":"sale","planned":false,"acquired":false,"shares":3173,"price":36.2,"value":114862.6,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $36.10 to $36.37. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Composed of 573,313 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":937851,"source":{"system":"sec-edgar","filing":"0001493152-26-000677","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315226000677/ownership.xml","form_type":"4"}},{"id":1010173,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-11-04T00:56:51.000Z","date":"2025-11-03","kind":"sale","planned":false,"acquired":false,"shares":4800,"price":31.27,"value":150096.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Composed of 576,486 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 45,200 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":941024,"source":{"system":"sec-edgar","filing":"0001493152-25-020655","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315225020655/ownership.xml","form_type":"4"}},{"id":1012256,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-10-29T23:02:21.000Z","date":"2025-10-29","kind":"sale","planned":false,"acquired":false,"shares":7000,"price":32.09,"value":224630.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.00 to $32.64. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 576,486 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":945824,"source":{"system":"sec-edgar","filing":"0001493152-25-020116","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315225020116/ownership.xml","form_type":"4"}},{"id":1021085,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-10-09T19:23:20.000Z","date":"2025-10-09","kind":"sale","planned":false,"acquired":false,"shares":685,"price":31.66,"value":21687.1,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $31.52 to $31.76. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 589,086 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":952824,"source":{"system":"sec-edgar","filing":"0001493152-25-017566","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315225017566/ownership.xml","form_type":"4"}},{"id":1021838,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-10-09T01:07:23.000Z","date":"2025-10-08","kind":"sale","planned":false,"acquired":false,"shares":5600,"price":32.01,"value":179256.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.00 to $32.07. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Composed of 584,171 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."}],"balance_after":953509,"source":{"system":"sec-edgar","filing":"0001493152-25-017493","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315225017493/ownership.xml","form_type":"4"}},{"id":1021837,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2025-10-09T01:07:23.000Z","date":"2025-10-07","kind":"sale","planned":false,"acquired":false,"shares":13715,"price":32.09,"value":440114.35,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $32.00 to $32.33. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 589,771 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":959109,"source":{"system":"sec-edgar","filing":"0001493152-25-017493","document":"ownership.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000149315225017493/ownership.xml","form_type":"4"}},{"id":1365822,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-14T22:00:56.000Z","date":"2024-11-13","kind":"sale","planned":false,"acquired":false,"shares":6500,"price":34.18,"value":222170.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $34.11 to $34.30.  The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Composed of 589,372 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."}],"balance_after":958710,"source":{"system":"sec-edgar","filing":"0000860413-24-000136","document":"wk-form4_1731621646.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000136/wk-form4_1731621646.xml","form_type":"4"}},{"id":1365821,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":6,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-11-14T22:00:56.000Z","date":"2024-11-12","kind":"sale","planned":false,"acquired":false,"shares":22050,"price":33.8,"value":745290.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $33.64 to $34.18.  The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 595,872 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 36,553 shares held of record by Holland Elizabeth Scott Trust, 36,553 shares held of record by Harper Grace Scott Trust, 36,554 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":965210,"source":{"system":"sec-edgar","filing":"0000860413-24-000136","document":"wk-form4_1731621646.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000136/wk-form4_1731621646.xml","form_type":"4"}},{"id":1445768,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":2,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":3,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":4,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":5,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":6,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-07-31T20:02:58.000Z","date":"2024-07-30","kind":"sale","planned":false,"acquired":false,"shares":20000,"price":31.6,"value":632000.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $31.52 to $31.64.  The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 595,872 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 43,903 shares held of record by Holland Elizabeth Scott Trust, 43,903 shares held of record by Harper Grace Scott Trust, 43,904 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":987260,"source":{"system":"sec-edgar","filing":"0000860413-24-000114","document":"wk-form4_1722456171.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000114/wk-form4_1722456171.xml","form_type":"4"}},{"id":1481421,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":2,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":3,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":5,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":6,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-06-13T22:46:40.000Z","date":"2024-06-12","kind":"sale","planned":false,"acquired":false,"shares":14403,"price":26.14,"value":376494.42,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"3. The price reported in column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $25.75 to $26.49. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holders of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Composed of 615,872 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 43,903 shares held of record by Holland Elizabeth Scott Trust, 43,903 shares held of record by Harper Grace Scott Trust, 43,904 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."}],"balance_after":1007260,"source":{"system":"sec-edgar","filing":"0000860413-24-000104","document":"wk-form4_1718318792.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000104/wk-form4_1718318792.xml","form_type":"4"}},{"id":1481420,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":2,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":3,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":5,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":6,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-06-13T22:46:40.000Z","date":"2024-06-11","kind":"sale","planned":false,"acquired":false,"shares":29499,"price":25.29,"value":746029.71,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The price reported in column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $25.14 to $25.42. The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holders of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 615,872 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 48,704 shares held of record by Holland Elizabeth Scott Trust, 48,704 shares held of record by Harper Grace Scott Trust, 48,705 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":1021663,"source":{"system":"sec-edgar","filing":"0000860413-24-000104","document":"wk-form4_1718318792.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000104/wk-form4_1718318792.xml","form_type":"4"}},{"id":1493743,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":2,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":3,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":4,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":5,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":6,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2024-06-04T20:04:10.000Z","date":"2024-06-01","kind":"grant","planned":false,"acquired":true,"shares":3579,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan. The restricted stock units vest on June 1, 2025, subject to the reporting persons provision of continuous service to the Registrant through the vesting date."}],"balance_after":14114,"source":{"system":"sec-edgar","filing":"0000860413-24-000094","document":"wk-form4_1717531442.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041324000094/wk-form4_1717531442.xml","form_type":"4"}},{"id":1781446,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":2,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":3,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":4,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":6,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-09-14T22:48:01.000Z","date":"2023-09-13","kind":"sale","planned":false,"acquired":false,"shares":29000,"price":24.85,"value":720650.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $24.78 to $25.01.  The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Composed of 615,872 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 58,537 shares held of record by Holland Elizabeth Scott Trust, 58,537 shares held of record by Harper Grace Scott Trust, 58,538 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."}],"balance_after":1051162,"source":{"system":"sec-edgar","filing":"0000860413-23-000176","document":"wk-form4_1694731668.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000176/wk-form4_1694731668.xml","form_type":"4"}},{"id":1781445,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":2,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":3,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":4,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":6,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-09-14T22:48:01.000Z","date":"2023-09-13","kind":"sale","planned":false,"acquired":false,"shares":15000,"price":24.92,"value":373800.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F3","text":"The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $24.90 to $24.93.  The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"Composed of 644,872 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 58,537 shares held of record by Holland Elizabeth Scott Trust, 58,537 shares held of record by Harper Grace Scott Trust, 58,538 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."}],"balance_after":1080162,"source":{"system":"sec-edgar","filing":"0000860413-23-000176","document":"wk-form4_1694731668.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000176/wk-form4_1694731668.xml","form_type":"4"}},{"id":1781444,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":2,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":3,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":4,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":6,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Common Stock","published_at":"2023-09-14T22:48:01.000Z","date":"2023-09-11","kind":"gift","planned":false,"acquired":true,"shares":140491,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"ownership.nature","element":"natureOfOwnership","label":"F1","text":"Composed of 659,872 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 58,537 shares held of record by Holland Elizabeth Scott Trust, 58,537 shares held of record by Harper Grace Scott Trust, 58,538 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":1095162,"source":{"system":"sec-edgar","filing":"0000860413-23-000176","document":"wk-form4_1694731668.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000176/wk-form4_1694731668.xml","form_type":"4"}},{"id":1855162,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":3,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":4,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":5,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":6,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2023-06-15T20:55:09.000Z","date":"2023-06-13","kind":"gift","planned":false,"acquired":true,"shares":1,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares acquired by Harrison William Scott Trust (1) as a bona fide gift"},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Composed of 519,381 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 58,537 shares held of record by Holland Elizabeth Scott Trust, 58,537 shares held of record by Harper Grace Scott Trust, 58,538 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."}],"balance_after":954671,"source":{"system":"sec-edgar","filing":"0000860413-23-000160","document":"wk-form4_1686862500.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000160/wk-form4_1686862500.xml","form_type":"4"}},{"id":1868264,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":3,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":5,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":6,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2023-06-05T21:01:53.000Z","date":"2023-06-01","kind":"grant","planned":false,"acquired":true,"shares":4534,"price":0,"value":0.0,"ownership":{"direct":true},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares issuable upon vesting of restricted stock units granted to the reporting person pursuant to the Registrant's 2023 Equity and Incentive Plan. The restricted stock units vest on June 1, 2024, subject to the reporting persons provision of continuous service to the Registrant through the vesting date."}],"balance_after":10535,"source":{"system":"sec-edgar","filing":"0000860413-23-000156","document":"wf-form4_168599889941536.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000156/wf-form4_168599889941536.xml","form_type":"4"}},{"id":1885900,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":3,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":5,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":6,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2023-05-19T20:54:18.000Z","date":"2023-05-17","kind":"sale","planned":false,"acquired":false,"shares":23250,"price":23.07,"value":536377.5,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold by Harrison William Scott Trust (7,750), by Harper Grace Scott Trust (7,750), and by Holland Elizabeth Scott Trust (7,750)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $23.00 to $23.17.  The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Composed of 519,381 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 58,537 shares held of record by Holland Elizabeth Scott Trust, 58,537 shares held of record by Harper Grace Scott Trust, 58,537 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Composed of 519,381 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 58,537 shares held of record by Holland Elizabeth Scott Trust, 58,537 shares held of record by Harper Grace Scott Trust, 58,537 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":954670,"source":{"system":"sec-edgar","filing":"0000860413-23-000097","document":"wf-form4_168452963381105.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000097/wf-form4_168452963381105.xml","form_type":"4"}},{"id":1900185,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":3,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":5,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":6,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2023-05-09T22:52:20.000Z","date":"2023-05-08","kind":"sale","planned":false,"acquired":false,"shares":3000,"price":23.14,"value":69420.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F5","text":"Shares sold by Harrison William Scott Trust (1000), by Harper Grace Scott Trust (1000), and by Holland Elizabeth Scott Trust (1000)."},{"field":"price","element":"transactionPricePerShare","label":"F6","text":"The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $22.47 to $24.05.  The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Composed of 519,381 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 66,287 shares held of record by Holland Elizabeth Scott Trust, 66,287 shares held of record by Harper Grace Scott Trust, 66,287 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Composed of 519,381 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 66,287 shares held of record by Holland Elizabeth Scott Trust, 66,287 shares held of record by Harper Grace Scott Trust, 66,287 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":977920,"source":{"system":"sec-edgar","filing":"0000860413-23-000091","document":"wf-form4_168367272336456.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041323000091/wf-form4_168367272336456.xml","form_type":"4"}},{"id":1900184,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":28394,"kind":"organization","name":"IXL Ltd Liability Co","position":3,"cik":"0001909090","reported_name":"IXL Ltd Liability Co","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":4,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":5,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":6,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2023-05-09T22:52:20.000Z","date":"2023-05-05","kind":"sale","planned":false,"acquired":false,"shares":26250,"price":23.27,"value":610837.5,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"shares","element":"transactionShares","label":"F1","text":"Shares sold by Harrison William Scott Trust (8,750), by Harper Grace Scott Trust (8750), and by Holland Elizabeth Scott Trust (8750)."},{"field":"price","element":"transactionPricePerShare","label":"F2","text":"The price reported in column 4 is a weighted average price.  These shares were sold in multiple transactions at prices ranging from $22.91 to $23.53.  The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Composed of 519,381 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 66,287 shares held of record by Holland Elizabeth Scott Trust, 66,287 shares held of record by Harper Grace Scott Trust, 66,287 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Composed of 519,381 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 66,287 shares held of record by Holland Elizabeth Scott Trust, 66,287 shares held of record by Harper Grace Scott Trust, 66,287 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. 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Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. 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Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. 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Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. 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Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. 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Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I and Table II being made from Jonathan R. Scott's perspective. 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These shares were sold in multiple transactions at prices ranging from $40.01 to $40.87.  The reporting person undertakes to provide to First Interstate BancSystem, Inc., any security holder of First Interstate BancSystem, Inc., or the staff of the Securities and Exchange Commission, upon, request, the full information regarding the number of shares sold at each separate price within the ranges set forth above."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F3","text":"Composed of 520,731 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 71,148 shares held of record by Holland Elizabeth Scott Trust, 71,148 shares held of record by Harper Grace Scott Trust, 71,148 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"Composed of 520,731 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, 71,148 shares held of record by Holland Elizabeth Scott Trust, 71,148 shares held of record by Harper Grace Scott Trust, 71,148 shares held of record by Harrison William Scott Trust and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F4","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Table I being made from Jonathan R. Scott's perspective. 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These shares were sold in multiple transactions at prices ranging from $40.01 to $40.87.  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of record by Harrison William Scott Trust, 520,731 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 94,863 shares held of record by Holland Elizabeth Scott Trust, 94,683 shares held of record by Harper Grace Scott Trust, 94,863 shares held of record by Harrison William Scott Trust, 520,731 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 209,678 shares held of record by IXL Limited Liability Company, and 50,000 shares held of record by Jonathan Scott's spouse."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Tables I and II being made from Jonathan R. Scott's perspective.  The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":1064998,"source":{"system":"sec-edgar","filing":"0000860413-22-000117","document":"wf-form4_164859598661796.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041322000117/wf-form4_164859598661796.xml","form_type":"4"}},{"id":2334355,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":2,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":3,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":4,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":5,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-15T21:26:21.000Z","date":"2022-03-11","kind":"sale","acquired":false,"shares":5000,"price":39.25,"value":196250.0,"ownership":{"direct":true},"balance_after":14160,"source":{"system":"sec-edgar","filing":"0000860413-22-000087","document":"wf-form4_164737956252015.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041322000087/wf-form4_164737956252015.xml","form_type":"4"}},{"id":2334354,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":3,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":4,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-15T20:03:11.000Z","date":"2022-03-10","kind":"sale","acquired":false,"shares":12850,"price":38.9,"value":499865.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F4","text":"The price reported in Column 4 is a weighted average price of the shares disposed of by IXL, Limited Liability Company. These shares were sold in multiple transactions at prices ranging from $38.85 to $38.94, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Tables I and II being made from Jonathan R. Scott's perspective.  The nature of beneficial ownership is described in detail by footnote for all reporting persons."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F5","text":"Composed of 94,863 shares held of record by Holland Elizabeth Scott Trust,  94,683 shares held of record by Harper Grace Scott Trust, 94,863 shares held of record by Harrison William Scott Trust, and 12,850 shares held of record by IXL Limited Liability Company."}],"balance_after":297439,"source":{"system":"sec-edgar","filing":"0000860413-22-000085","document":"wf-form4a_164737457487436.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041322000085/wf-form4a_164737457487436.xml","form_type":"4/A","original_submission_date":"2022-03-10"}},{"id":2334353,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":3,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":4,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-15T20:03:11.000Z","date":"2022-03-02","kind":"exercise","acquired":true,"shares":25700,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder.  The conversion feature of the Class B Common Stock does not expire."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Composed of 94,863 shares held of record by Holland Elizabeth Scott Trust,  94,683 shares held of record by Harper Grace Scott Trust, 94,863 shares held of record by Harrison William Scott Trust, and 25,700 shares held of record by IXL Limited Liability Company."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 94,863 shares held of record by Holland Elizabeth Scott Trust,  94,683 shares held of record by Harper Grace Scott Trust, 94,863 shares held of record by Harrison William Scott Trust, and 25,700 shares held of record by IXL Limited Liability Company."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4 and 5, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Tables I and II being made from Jonathan R. Scott's perspective.  The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":310289,"source":{"system":"sec-edgar","filing":"0000860413-22-000085","document":"wf-form4a_164737457487436.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041322000085/wf-form4a_164737457487436.xml","form_type":"4/A","original_submission_date":"2022-03-10"}},{"id":2340688,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":3,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":4,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class B Common Stock","published_at":"2022-03-11T01:15:49.000Z","date":"2022-03-02","kind":"exercise","acquired":false,"shares":25700,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"see footnote"},"footnotes":[{"field":"derivative.exercise_price","element":"conversionOrExercisePrice","label":"F1","text":"The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder.  The conversion feature of the Class B Common Stock does not expire."},{"field":"shares","element":"transactionShares","label":"F7","text":"Conversion effected by IXL, Limited Liability Company."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder.  The conversion feature of the Class B Common Stock does not expire."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder.  The conversion feature of the Class B Common Stock does not expire."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Tables I and II being made from Jonathan R. Scott's perspective.  The nature of beneficial ownership is described in detail by footnote for all reporting persons."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F8","text":"Composed of 520,731 shares held of record by Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04, 196,828 shares held of record by IXL Limited Liability Company and 50,000 shares held of record by Jonathan Scott's spouse."}],"balance_after":767559,"derivative":{"exercise_price":0,"underlying":"Class A Common Stock","underlying_shares":25700},"source":{"system":"sec-edgar","filing":"0000860413-22-000079","document":"wf-form4_164696132820265.xml","document_sequence":1,"table":"derivative","row_type":"transaction","position":4,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041322000079/wf-form4_164696132820265.xml","form_type":"4"}},{"id":2340687,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":3,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":4,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-11T01:15:49.000Z","date":"2022-03-10","kind":"sale","acquired":false,"shares":12850,"price":38.9,"value":499865.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F5","text":"The price reported in Column 4 is a weighted average price of the shares disposed of by IXL, Limited Liability Company. These shares were sold in multiple transactions at prices ranging from $38.85 to $38.94, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4, if any, together with Jonathan R. 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The nature of beneficial ownership is described in detail by footnote for all reporting persons."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F6","text":"Composed of 94,863 shares held of record by Holland Elizabeth Scott Trust,  94,683 shares held of record by Harper Grace Scott Trust, 94,863 shares held of record by Harrison William Scott Trust, and 14,650 shares held of record by IXL Limited Liability Company."}],"balance_after":299239,"source":{"system":"sec-edgar","filing":"0000860413-22-000079","document":"wf-form4_164696132820265.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":3,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041322000079/wf-form4_164696132820265.xml","form_type":"4"}},{"id":2340686,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":3,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":4,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-11T01:15:49.000Z","date":"2022-03-08","kind":"sale","acquired":false,"shares":5000,"price":39,"value":195000.0,"ownership":{"direct":true},"footnotes":[{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F4","text":"Includes 143 shares previously reported as indirectly owned by trust."}],"balance_after":19160,"source":{"system":"sec-edgar","filing":"0000860413-22-000079","document":"wf-form4_164696132820265.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":2,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041322000079/wf-form4_164696132820265.xml","form_type":"4"}},{"id":2340685,"issuer":{"id":4141,"kind":"organization","name":"FIRST INTERSTATE BANCSYSTEM INC","symbol":"FIBK"},"owners":[{"id":30197,"kind":"person","name":"Scott Jonathan R","position":1,"cik":"0001361935","reported_name":"Scott Jonathan R","relationship":{"director":true,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30198,"kind":"organization","name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","position":2,"cik":"0001908962","reported_name":"Jonathan Scott as Trustee of the Jonathan R Scott Trust Dated as of 4/21/04","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30200,"kind":"organization","name":"Harper Grace Scott Trust","position":3,"cik":"0001908895","reported_name":"Harper Grace Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30199,"kind":"organization","name":"Harrison William Scott Trust","position":4,"cik":"0001908873","reported_name":"Harrison William Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}},{"id":30201,"kind":"organization","name":"Holland Elizabeth Scott Trust","position":5,"cik":"0001908953","reported_name":"Holland Elizabeth Scott Trust","relationship":{"director":false,"officer":false,"ten_percent_owner":true,"other":false}}],"security":"Class A Common Stock","published_at":"2022-03-11T01:15:49.000Z","date":"2022-03-02","kind":"exercise","acquired":true,"shares":27500,"price":0,"value":0.0,"ownership":{"direct":false,"nature":"See Footnote"},"footnotes":[{"field":"price","element":"transactionPricePerShare","label":"F1","text":"The Class B Common Stock is convertible at any time into Class A Common Stock on a share for share basis at the discretion of the holder.  The conversion feature of the Class B Common Stock does not expire."},{"field":"balance_after","element":"sharesOwnedFollowingTransaction","label":"F2","text":"Composed of 94,863 shares held of record by Holland Elizabeth Scott Trust,  94,683 shares held of record by Harper Grace Scott Trust, 94,863 shares held of record by Harrison William Scott Trust, and 27,500 shares held of record by IXL Limited Liability Company."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F2","text":"Composed of 94,863 shares held of record by Holland Elizabeth Scott Trust,  94,683 shares held of record by Harper Grace Scott Trust, 94,863 shares held of record by Harrison William Scott Trust, and 27,500 shares held of record by IXL Limited Liability Company."},{"field":"ownership.nature","element":"natureOfOwnership","label":"F3","text":"As a result of certain agreements entered into by and among the reporting persons, the Issuer, and certain other stockholders of the Issuer, the reporting persons may be deemed members of a group with the other signatories thereto and may be deemed to share beneficial ownership of the securities reported herein. Each of the reporting persons disclaims beneficial ownership of any such securities, except to the extent of its pecuniary interest therein. The reporting persons expect to file future Forms 4, if any, together with Jonathan R. Scott with the indication of direct or indirect ownership in Tables I and II being made from Jonathan R. Scott's perspective.  The nature of beneficial ownership is described in detail by footnote for all reporting persons."}],"balance_after":312089,"source":{"system":"sec-edgar","filing":"0000860413-22-000079","document":"wf-form4_164696132820265.xml","document_sequence":1,"table":"nonDerivative","row_type":"transaction","position":1,"url":"https://www.sec.gov/Archives/edgar/data/860413/000086041322000079/wf-form4_164696132820265.xml","form_type":"4"}}]}