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AI brief of an SEC Form 8-K · First Interstate BancSystem (FIBK)

First Interstate BancSystem executes employment agreement with new COO Jeff Lee

Neutral Impact 2 of 5 leadership Written later

First Interstate BancSystem and its bank subsidiary signed an employment agreement with Jeff Lee on September 14, 2026, formalizing his appointment as Executive Vice President and Chief Operations Officer. The filing sets out severance terms, including enhanced payments if he is terminated without cause or leaves for good reason within six months before or 18 months after a change in control.

Key points

  • Employment agreement with Jeff Lee executed and effective September 14, 2026; his COO appointment took effect with the signing.
  • Severance without cause or for good reason: one times base salary plus one times average annual cash incentive over the prior three years, paid over 12 months, with up to 12 months of insurance coverage.
  • Change-in-control severance: two times base salary plus two times target annual cash incentive, a pro-rata target bonus, and up to 24 months of insurance coverage.
  • Non-compete and non-solicitation restrictions run 12 months after termination, or 18 months if termination falls within the change-in-control window.

The filing

CompanyFirst Interstate BancSystem (FIBK)
Form8-K, current report
Filed with the SECSep 16, 2026, 2:06 PM ET
Accession number0000860413-26-000092

Items reported: 5.02 Director / Officer Change

Read the filing on SEC.gov ↗

Written by AI on Nov 8, 2026, 1:38 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on September 16, 2026.

Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.