TriCo Bancshares
ent_148f6dfad6e3389a
Disclosures
2
SEC 10-K Item 1C · SEC 8-K · 1 jurisdiction
Incidents
1
filings grouped by incident
Max affected reported
—
no filed count in sample
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- TriCo Bancshares
- Normalized
- trico bancshares— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- 0000356171
- Domain
- tricobank.com
Disclosure history (2)newest first
- FEDERALSEC 10-K Item 1Cas victim2026-03-02
TriCo Bancshares' 2025 10-K Item 1C references a February 2023 criminal cyberattack that caused temporary interruption of company systems, disclosure of certain confidential information, and resulted in litigation and governmental inquiries, the consequences of which may be material. No specific attack vector, affected-individual count, or data types are enumerated in the Item 1C disclosure.
- FEDERALSEC 8-Kas reporting2023-10-13
Tri Counties Bank, a subsidiary of TriCo Bancshares, experienced a cybersecurity incident in February 2023 involving malware infection. The Bank took systems offline, engaged forensic investigators, and notified law enforcement. An investigation determined that an unauthorized actor accessed systems storing sensitive customer and employee data, including SSNs, financial accounts, and PHI. The incident is contained; affected individuals are receiving credit monitoring.