---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-21-035877"
form_type: "8-K"
ticker: "FMCB"
cik: "0001085913"
company_name: "FARMERS & MERCHANTS BANCORP"
filed_at: "2021-10-29T23:59:59+00:00"
generated_at: "2026-06-28T16:05:17.679630+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# CFO Stephen Haley retiring Dec 31, 2021; Mark Olson named successor effective Nov 1

## Summary
- Stephen W. Haley, EVP and CFO, retiring on Dec 31, 2021 after 18 years; will assist transition.
- Mark K. Olson appointed EVP and CFO effective Nov 1, 2021; previously CFO of $3.6B Altabank.
- Olson brings 32 years of banking financial leadership; will work with Haley until year-end.
- Haley played key role in company growth to over $5.0 billion in assets.

## SEC filing metadata
- accession: 0001140361-21-035877
- form_type: 8-K
- ticker: FMCB
- cik: 0001085913
- company_name: FARMERS & MERCHANTS BANCORP
- filed_at: 2021-10-29T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1085913/000114036121035877/0001140361-21-035877-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1085913/000114036121035877/brhc10030220_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-21-035877
- JSON: https://secwatch.observer/filing/0001140361-21-035877.json
- Plain text: https://secwatch.observer/filing/0001140361-21-035877.txt

## Key facts
- Executive change
  Mark K. Olson was appointed as Executive Vice President and Chief Financial Officer at FARMERS & MERCHANTS BANCORP.
  - Action: appointed
  - Role: Executive Vice President and Chief Financial Officer
  source text: The Company also announced that Mark K. Olson will join the Company as its Executive Vice President and Chief Financial Officer effective November 1, 2021.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1085913/000114036121035877/0001140361-21-035877-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: Farmers & Merchants Bancorp today announced that Stephen W. Haley, Executive Vice President and Chief Financial Officer, will be retiring effective December 31, 2021
  evidence_url: https://www.sec.gov/Archives/edgar/data/1085913/000114036121035877/0001140361-21-035877-index.htm

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