secwatch.observer — SEC 8-K summary
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Issuer:     FIRST INTERSTATE BANCSYSTEM INC (FIBK)
CIK:        0000860413
Form:       8-K
Filed at:   2026-05-29T20:26:09+00:00
Accession:  0000860413-26-000048
Event type: leadership
Sentiment:  neutral
Materiality: 0.40
Item codes: 5.02, 5.03, 5.07, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

First Interstate BancSystem: three directors retire per age policy; charter amended to plurality voting
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- Directors Patricia L. Moss, David L. Jahnke, Stephen M. Lacy retired May 27 after reaching age 72 per retirement policy.
- Board size reduced to 11 from 14; retirements not related to any disagreement with the Company.
- Shareholders approved charter amendment for plurality voting in contested director elections, effective May 28.
- Say-on-pay proposal passed with 68.9M votes in favor (93% of votes cast); auditor ratified with 79.5M for.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/860413/000086041326000048/0000860413-26-000048-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/860413/000086041326000048/fibk-20260527.htm
  HTML page:      https://secwatch.observer/filing/0000860413-26-000048

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