---
schema_version: "secwatch.filing_event.v1"
accession: "0001628280-25-029906"
form_type: "8-K"
ticker: "TCBK"
cik: "0000356171"
company_name: "TRICO BANCSHARES /"
filed_at: "2025-06-06T23:59:59+00:00"
generated_at: "2026-05-19T18:54:11.147251+00:00"
event_type: "other"
sentiment: "neutral"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# TriCo Bancshares appoints Baker Tilly as new auditor after Moss Adams merger

## Summary
- Moss Adams LLP merged into Baker Tilly US, LLP effective June 3, 2025.
- Audit Committee appointed Baker Tilly as successor independent registered public accounting firm.
- No disagreements or reportable events with Moss Adams in 2024, 2023, or interim period.
- Moss Adams' audit reports for fiscal years 2024 and 2023 were unqualified.

## SEC filing metadata
- accession: 0001628280-25-029906
- form_type: 8-K
- ticker: TCBK
- cik: 0000356171
- company_name: TRICO BANCSHARES /
- filed_at: 2025-06-06T23:59:59+00:00
- event_type: other
- sentiment: neutral
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 4.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/356171/000162828025029906/0001628280-25-029906-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/356171/000162828025029906/tcbk-20250603.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001628280-25-029906
- JSON: https://secwatch.observer/filing/0001628280-25-029906.json
- Plain text: https://secwatch.observer/filing/0001628280-25-029906.txt

## Key facts
- Auditor Changes
  Moss Adams LLP resigned as auditor of TRICO BANCSHARES /.
  - Action: resignation
  - Auditor: Moss Adams LLP
  - Successor: Baker Tilly US, LLP
  source text: ☐ Item 4.01 Changes in Registrant’s Certifying Accountant On June 3, 2025, TriCo Bancshares, (the "Company") was notified that Moss Adams LLP ("Moss Adams"), the Company's independent registered public accounting firm, merged with Baker Tilly US, LLP effective on June 3, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/356171/000162828025029906/0001628280-25-029906-index.htm
- Auditor Changes
  TRICO BANCSHARES / engaged Baker Tilly US, LLP as its auditor.
  - Action: engagement
  - Auditor: Baker Tilly US, LLP
  source text: the Audit Committee of the Company’s Board of Directors approved the appointment of Baker Tilly, as the successor to Moss Adams, as the Company’s independent registered public accounting firm
  evidence_url: https://www.sec.gov/Archives/edgar/data/356171/000162828025029906/0001628280-25-029906-index.htm

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