secwatch.observer — SEC 8-K summary
======================================

Issuer:     FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK:        0000860413
Form:       8-K
Filed at:   2025-06-10T23:59:59+00:00
Accession:  0001104659-25-058170
Event type: debt
Sentiment:  neutral
Materiality: 0.60
Item codes: 1.01, 2.03, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

First Interstate BancSystem closes $125M offering of 7.625% subordinated notes due 2035
--------------------------------------------------------------------------------

- Completed public offering of $125M in 7.625% fixed-to-floating rate subordinated notes due 2035.
- Notes initially treated as Tier 2 capital for regulatory purposes.
- Interest: 7.625% fixed through June 15, 2030, then floating at 3M Term SOFR + 398 bps quarterly.
- Company may redeem notes in whole/part starting June 15, 2030, or upon tax/Tier 2 capital events.
- Notes are unsecured, subordinated, and structurally subordinate to liabilities of bank subsidiary.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/860413/000110465925058170/0001104659-25-058170-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/860413/000110465925058170/tm258437d8_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-25-058170

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer