---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-011976"
form_type: "8-K"
ticker: "FMCB"
cik: "0001085913"
company_name: "FARMERS & MERCHANTS BANCORP"
filed_at: "2023-03-16T23:59:59+00:00"
generated_at: "2026-06-18T00:08:58.205732+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Farmers & Merchants Bancorp CFO Stephen Haley to retire; Bart Olson named successor

## Summary
- Stephen W. Haley, EVP and CFO, will retire effective June 30, 2023.
- Bart R. Olson to join as EVP and CFO effective March 27, 2023.
- Olson was a KPMG audit partner and CFO at multiple financial institutions.
- Olson will work with Haley through June 30 to ensure transition.
- Company assets exceed $5.0 billion; no change in financial guidance.

## SEC filing metadata
- accession: 0001140361-23-011976
- form_type: 8-K
- ticker: FMCB
- cik: 0001085913
- company_name: FARMERS & MERCHANTS BANCORP
- filed_at: 2023-03-16T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1085913/000114036123011976/0001140361-23-011976-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1085913/000114036123011976/brhc10049876_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-011976
- JSON: https://secwatch.observer/filing/0001140361-23-011976.json
- Plain text: https://secwatch.observer/filing/0001140361-23-011976.txt

## Key facts
- Executive change
  Bart R. Olson was appointed as Executive Vice President and Chief Financial Officer at FARMERS & MERCHANTS BANCORP.
  - Action: join
  - Role: Executive Vice President and Chief Financial Officer
  source text: Bart R. Olson will join the Company as its Executive Vice President and Chief Financial Officer effective March 27, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1085913/000114036123011976/0001140361-23-011976-index.htm
- Executive change
  Stephen W. Haley departed as Executive Vice President and Chief Financial Officer at FARMERS & MERCHANTS BANCORP.
  - Action: retiring
  - Role: Executive Vice President and Chief Financial Officer
  source text: Stephen W. Haley, Executive Vice President and Chief Financial Officer, will be retiring effective June 30, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1085913/000114036123011976/0001140361-23-011976-index.htm

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