---
schema_version: "secwatch.filing_event.v1"
accession: "0000860413-24-000071"
form_type: "8-K"
ticker: "FIBK"
cik: "0000860413"
company_name: "FIRST INTERSTATE BANCSYSTEM INC"
filed_at: "2024-05-23T23:59:59+00:00"
generated_at: "2026-06-01T09:30:31.741264+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.65
calibrated_materiality_score: 0.65
confidence: "high"
source: SEC EDGAR
---

# First Interstate shareholders approve 2M-share plan amendment; Board names Stephen B. Bowman as Chair

## Summary
- Shareholders approved amendment to 2023 Equity and Incentive Plan, increasing reserved shares by 2,000,000.
- All four Class III director nominees (Heyneman, Jahnke, Riley, Scott) elected to three-year terms.
- Stephen B. Bowman appointed Chair of the Board, effective May 23, 2024, replacing David L. Jahnke.
- Bowman served as CFO of Northern Trust until 2020; Jahnke remains on the Board.

## SEC filing metadata
- accession: 0000860413-24-000071
- form_type: 8-K
- ticker: FIBK
- cik: 0000860413
- company_name: FIRST INTERSTATE BANCSYSTEM INC
- filed_at: 2024-05-23T23:59:59+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.65
- calibrated_materiality_score: 0.65
- confidence: high
- sec_items: 5.02, 5.07, 7.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/860413/000086041324000071/0000860413-24-000071-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/860413/000086041324000071/fibk-20240520.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000860413-24-000071
- JSON: https://secwatch.observer/filing/0000860413-24-000071.json
- Plain text: https://secwatch.observer/filing/0000860413-24-000071.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.