{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-335335","form_type":"8-K","ticker":"UNF","cik":"0000717954","company_name":"UNIFIRST CORP","filed_at":"2025-12-29T23:59:59+00:00","discovered_at":"2026-05-14T18:02:41.987663+00:00","generated_at":"2026-05-16T12:11:14.764224+00:00","sec_items":["5.02","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"UniFirst EVP of Operations David DiFillippo to retire effective Jan 5, 2026","bullets":["David DiFillippo announced retirement as EVP, Operations on December 29, 2025.","Retirement effective January 5, 2026; responsibilities transitioned over past year.","No replacement named in filing; company thanked DiFillippo for his service."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-335335","json":"https://secwatch.observer/filing/0001193125-25-335335.json","markdown":"https://secwatch.observer/filing/0001193125-25-335335.md","text":"https://secwatch.observer/filing/0001193125-25-335335.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/717954/000119312525335335/0001193125-25-335335-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/717954/000119312525335335/unf-20251223.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-16T12:11:14.764224+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"}