secwatch.observer — SEC 8-K summary ====================================== Issuer: FIRST INTERSTATE BANCSYSTEM INC (FIBK) CIK: 0000860413 Form: 8-K Filed at: 2025-08-18T23:59:59+00:00 Accession: 0000860413-25-000122 Event type: debt Sentiment: neutral Materiality: 0.40 Item codes: 1.02, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 First Interstate BancSystem redeems all outstanding 5.25% subordinated notes due 2030 -------------------------------------------------------------------------------- - Redeemed all outstanding $5.25% Fixed-to-Floating Rate Subordinated Notes due 2030 on Aug 15, 2025 at 100% par plus accrued interest. - Company deposited sufficient funds with trustee to satisfy and discharge obligations under the notes and related First Supplemental Indenture. - Holders were notified of redemption election on July 3, 2025. - Remaining subordinated debt: $125M principal of 7.625% notes due 2035 under separate indenture. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/860413/000086041325000122/0000860413-25-000122-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/860413/000086041325000122/fibk-20250815.htm HTML page: https://secwatch.observer/filing/0000860413-25-000122 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer