---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-25-060053"
form_type: "8-K"
ticker: "CBSH"
cik: "0000022356"
company_name: "COMMERCE BANCSHARES INC /MO/"
filed_at: "2025-06-17T23:59:59+00:00"
generated_at: "2026-05-19T05:21:16.399058+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Commerce Bancshares to acquire FineMark Holdings; exchange ratio 0.690 shares of CBSH per FineMark share

## Summary
- Each FineMark common share converts into 0.690 shares of Commerce common stock; cash for fractional shares.
- Termination fee of $24 million payable by FineMark under certain circumstances.
- Transaction requires FineMark shareholder approval, regulatory approvals, and Nasdaq listing of CBSH shares.
- Certain FineMark officers, directors and shareholders entered voting agreements to support the merger.

## SEC filing metadata
- accession: 0001104659-25-060053
- form_type: 8-K
- ticker: CBSH
- cik: 0000022356
- company_name: COMMERCE BANCSHARES INC /MO/
- filed_at: 2025-06-17T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/22356/000110465925060053/0001104659-25-060053-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/22356/000110465925060053/tm2517993d8_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-25-060053
- JSON: https://secwatch.observer/filing/0001104659-25-060053.json
- Plain text: https://secwatch.observer/filing/0001104659-25-060053.txt

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