---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-23-007063"
form_type: "8-K"
ticker: "FMCB"
cik: "0001085913"
company_name: "FARMERS & MERCHANTS BANCORP"
filed_at: "2023-02-15T23:59:59+00:00"
generated_at: "2026-06-19T10:31:39.377666+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Farmers & Merchants Bancorp CCO Jay Colombini to retire June 30; John Weubbe named successor

## Summary
- Jay J. Colombini, EVP and Chief Credit Officer, plans to retire effective June 30, 2023 after 30 years at the bank.
- John Weubbe, currently SVP and Sacramento Market Manager, will become CCO on April 1, 2023, working alongside Colombini until June 30.
- Weubbe has over 30 years of credit administration experience, including 6 years at Farmers & Merchants Bank of Central California.
- Chairman Steinwert credited Colombini's role in Ag banking and mentoring; Weubbe holds an MBA from Cornell.

## SEC filing metadata
- accession: 0001140361-23-007063
- form_type: 8-K
- ticker: FMCB
- cik: 0001085913
- company_name: FARMERS & MERCHANTS BANCORP
- filed_at: 2023-02-15T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1085913/000114036123007063/0001140361-23-007063-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1085913/000114036123007063/brhc10048281_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-23-007063
- JSON: https://secwatch.observer/filing/0001140361-23-007063.json
- Plain text: https://secwatch.observer/filing/0001140361-23-007063.txt

## Key facts
- Executive change
  John Weubbe was appointed as Chief Credit Officer at FARMERS & MERCHANTS BANCORP.
  - Action: appointed
  - Role: Chief Credit Officer
  source text: The Chief Credit Officer position will be filled by John Weubbe, currently the Bank’s Senior Vice President and Sacramento Market Manager.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1085913/000114036123007063/0001140361-23-007063-index.htm
- Executive change
  Jay J. Colombini departed as Executive Vice President and Chief Credit Officer at FARMERS & MERCHANTS BANCORP.
  - Action: retire
  - Role: Executive Vice President and Chief Credit Officer
  source text: Jay J. Colombini, Executive Vice President and Chief Credit Officer, has announced his intention to retire effective June 30, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1085913/000114036123007063/0001140361-23-007063-index.htm

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