Company · CIK 860413 # FIRST INTERSTATE BANCSYSTEM INC | CIK | [860413](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000860413) (SEC EDGAR) | | --- | --- | | Industry (SIC) | 6022 — State Commercial Banks | | Incorporated in | DE | | Business address | MT | | Listed | FIBK (Nasdaq) | | First annual or quarterly report | 1996-08-08 | ## Offerings 6 registrations | Registration | Label and status | First filed | Last event | Filings | | --- | --- | --- | --- | --- | | 333-296234 | Shelf Effective | 2026-05-26 | 2026-05-26 | 1 | | 333-272215 | Shelf Effective | 2023-05-26 | 2025-06-06 | 3 | | 333-237226 | Shelf Effective | 2020-03-16 | 2020-05-14 | 3 | | 333-220594 | Shelf Effective | 2017-09-25 | 2020-03-23 | 3 | | 333-188865 | Shelf Effective | 2013-05-24 | 2017-09-25 | 3 | | 333-164380 | Registered company Withdrawn | 2010-01-15 | 2010-03-24 | 7 | ## Filings 30 | Filed | Filing | Registration | Accession | | --- | --- | --- | --- | | 2026-05-26 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/860413/000162828026038071/0001628280-26-038071-index.htm) Shelf registered | 333-296234 | 0001628280-26-038071 | | 2025-06-06 | [424B5](https://www.sec.gov/Archives/edgar/data/860413/000110465925057408/0001104659-25-057408-index.htm) Shelf takedown | 333-272215 | 0001104659-25-057408 | | 2025-06-05 | [424B5](https://www.sec.gov/Archives/edgar/data/860413/000110465925056685/0001104659-25-056685-index.htm) Shelf takedown | 333-272215 | 0001104659-25-056685 | | 2023-05-26 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/860413/000110465923064777/0001104659-23-064777-index.htm) Shelf registered | 333-272215 | 0001104659-23-064777 | | 2021-12-16 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999521004720/9999999995-21-004720-index.htm) Declared effective | 333-260771 | 9999999995-21-004720 | | 2020-05-14 | [424B5](https://www.sec.gov/Archives/edgar/data/860413/000104746920003049/0001047469-20-003049-index.htm) Shelf takedown | 333-237226 | 0001047469-20-003049 | | 2020-05-11 | [424B5](https://www.sec.gov/Archives/edgar/data/860413/000104746920002986/0001047469-20-002986-index.htm) Shelf takedown | 333-237226 | 0001047469-20-002986 | | 2020-03-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999520000605/9999999995-20-000605-index.htm) Declared effective | 333-220594 | 9999999995-20-000605 | | 2020-03-16 | [S-3ASR](https://www.sec.gov/Archives/edgar/data/860413/000104746920001534/0001047469-20-001534-index.htm) Shelf registered | 333-237226 | 0001047469-20-001534 | | 2019-05-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999519001027/9999999995-19-001027-index.htm) Declared effective | 333-228575 | 9999999995-19-001027 | | 2019-05-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999519001026/9999999995-19-001026-index.htm) Declared effective | 333-228574 | 9999999995-19-001026 | | 2018-09-10 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999518002320/9999999995-18-002320-index.htm) Declared effective | 333-225521 | 9999999995-18-002320 | | 2018-07-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999518001699/9999999995-18-001699-index.htm) Declared effective | 333-225521 | 9999999995-18-001699 | | 2017-10-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999517002563/9999999995-17-002563-index.htm) Declared effective | 333-220594 | 9999999995-17-002563 | | 2017-09-25 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999517002448/9999999995-17-002448-index.htm) Declared effective | 333-188865 | 9999999995-17-002448 | | 2017-09-25 | [S-3](https://www.sec.gov/Archives/edgar/data/860413/000086041317000035/0000860413-17-000035-index.htm) Shelf registered | 333-220594 | 0000860413-17-000035 | | 2017-07-03 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999517001731/9999999995-17-001731-index.htm) Declared effective | 333-215749 | 9999999995-17-001731 | | 2017-06-12 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999517001503/9999999995-17-001503-index.htm) Declared effective | 333-215749 | 9999999995-17-001503 | | 2017-04-07 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999517000768/9999999995-17-000768-index.htm) Declared effective | 333-215749 | 9999999995-17-000768 | | 2014-04-04 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999514000884/9999999995-14-000884-index.htm) Declared effective | 333-194050 | 9999999995-14-000884 | | 2013-09-13 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999513002652/9999999995-13-002652-index.htm) Declared effective | 333-188865 | 9999999995-13-002652 | | 2013-05-24 | [S-3](https://www.sec.gov/Archives/edgar/data/860413/000119312513235896/0001193125-13-235896-index.htm) Shelf registered | 333-188865 | 0001193125-13-235896 | | 2010-03-24 | [424B4](https://www.sec.gov/Archives/edgar/data/860413/000095012310027777/0000950123-10-027777-index.htm) Final prospectus | 333-164380 | 0000950123-10-027777 | | 2010-03-23 | [EFFECT](https://www.sec.gov/Archives/edgar/data/860413/999999999510000809/9999999995-10-000809-index.htm) Declared effective | 333-164380 | 9999999995-10-000809 | | 2010-03-23 | [S-1/A](https://www.sec.gov/Archives/edgar/data/860413/000095012310026955/0000950123-10-026955-index.htm) Amendment | 333-164380 | 0000950123-10-026955 | | 2010-03-12 | [RW](https://www.sec.gov/Archives/edgar/data/860413/000095012310024115/0000950123-10-024115-index.htm) Withdrawn | 001-34653 | 0000950123-10-024115 | | 2010-03-11 | [RW](https://www.sec.gov/Archives/edgar/data/860413/000095012310023688/0000950123-10-023688-index.htm) Withdrawn | 333-164380 | 0000950123-10-023688 | | 2010-03-10 | [S-1/A](https://www.sec.gov/Archives/edgar/data/860413/000095012310023119/0000950123-10-023119-index.htm) Amendment | 333-164380 | 0000950123-10-023119 | | 2010-03-02 | [S-1/A](https://www.sec.gov/Archives/edgar/data/860413/000095012310020091/0000950123-10-020091-index.htm) Amendment | 333-164380 | 0000950123-10-020091 | | 2010-01-15 | [S-1](https://www.sec.gov/Archives/edgar/data/860413/000095012310003037/0000950123-10-003037-index.htm) Registration filed | 333-164380 | 0000950123-10-003037 | [All filings of this company](https://equitycapital.markets/filings?cik=860413) · [CSV](https://equitycapital.markets/filings.csv?cik=860413) --- Source page: https://equitycapital.markets/company/860413 · Data: U.S. SEC EDGAR · CC BY 4.0