8-K current report · filed Sep 16, 2026

FIRST INTERSTATE BANCSYSTEM INC (FIBK) 8-K Current Report: September 16, 2026

Item 5.02FIBK overview

Short answer

FIRST INTERSTATE BANCSYSTEM INC (FIBK) filed an 8-K current report with the SEC on September 16, 2026 reporting Item 5.02 (Departure/Election of Directors or Officers). Jeff Lee’s appointment as Executive Vice President and Chief Operations Officer became effective September 14, 2026.

FIRST INTERSTATE BANCSYSTEM INC 8-K event analysis

AI summary of each reported item and its exhibits

Item 5.02 · Departure/Election of Directors or Officers

  • Jeff Lee’s appointment as Executive Vice President and Chief Operations Officer became effective September 14, 2026
  • Standard termination severance: 1× base salary plus three-year average annual cash incentives, paid over 12 months
  • Change-in-control severance: 2× base salary plus 2× target annual incentive and prorated target bonus
  • Continued insurance coverage: up to 12 months standard, extending to 24 months after qualifying change-in-control termination
  • 12-month non-compete and non-solicitation period, extending to 18 months around a change in control

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