secwatch.observer — SEC 8-K summary
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Issuer:     FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK:        0000860413
Form:       8-K
Filed at:   2026-07-16T20:06:43+00:00
Accession:  0000860413-26-000078
Event type: leadership
Sentiment:  neutral
Materiality: 0.35
Item codes: 5.02, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

First Interstate BancSystem appoints Matthew Ritter and Kevin Turner to board
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- Appointed July 13, 2026 as Class II directors with terms expiring at 2029 annual meeting.
- Ritter has 25+ years in finance/real estate/energy; Turner was COO of Microsoft (2005-2016).
- Ritter joins Risk and Technology committees; Turner joins Audit and Technology committees.
- Board expands to 13 members: 4 Class I, 5 Class II, 4 Class III directors.
- Both directors deemed independent under NASDAQ rules; standard non-employee compensation.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/860413/000086041326000078/0000860413-26-000078-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/860413/000086041326000078/fibk-20260713.htm
  HTML page:      https://secwatch.observer/filing/0000860413-26-000078

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