{"schema_version":"secwatch.filing_event.v1","accession":"0000356171-23-000006","form_type":"8-K","ticker":"TCBK","cik":"0000356171","company_name":"TRICO BANCSHARES /","filed_at":"2023-02-14T23:59:59+00:00","discovered_at":"2026-05-14T18:03:47.635746+00:00","generated_at":"2026-06-19T14:46:43.124060+00:00","sec_items":["7.01","9.01"],"event_type":"cyber","sentiment":"negative","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"TriCo Bancshares discloses cybersecurity incident; internal systems taken offline","bullets":["Detected unusual activity and shut down networked systems on Feb 14.","Internal email, telephones, and customer call center offline; branches open.","Customer accounts on separate system; no evidence of account access.","Investigation ongoing; most business services operating normally.","Tri Counties Bank ATMs unavailable; other ATM transactions normal."],"urls":{"canonical":"https://secwatch.observer/filing/0000356171-23-000006","json":"https://secwatch.observer/filing/0000356171-23-000006.json","markdown":"https://secwatch.observer/filing/0000356171-23-000006.md","text":"https://secwatch.observer/filing/0000356171-23-000006.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/356171/000035617123000006/0000356171-23-000006-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/356171/000035617123000006/tcbk-20230214.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-19T14:46:43.124060+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}