{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-26-106564","form_type":"8-K","ticker":"TTEK","cik":"0000831641","company_name":"TETRA TECH INC","filed_at":"2026-09-10T13:00:41+00:00","discovered_at":"2026-09-10T13:02:00.318024+00:00","generated_at":"2026-09-10T13:02:04.229967+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Tetra Tech boosts share repurchase authorization by $500M to $898M total","bullets":["Board authorized $500M increase to buyback program; total available repurchases now $898M.","Twelve months ended Q3 FY2026: $567M cash flow from operations; $322M returned to shareholders via buybacks and dividends.","Net debt leverage ratio 0.88x at end of Q3 FY2026; company continues deleveraging.","CEO Roger Argus cites confidence in long-term growth and balanced capital allocation."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-26-106564","json":"https://secwatch.observer/filing/0001104659-26-106564.json","markdown":"https://secwatch.observer/filing/0001104659-26-106564.md","text":"https://secwatch.observer/filing/0001104659-26-106564.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/831641/000110465926106564/0001104659-26-106564-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/831641/000110465926106564/tm2625143d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-10T13:02:04.229967+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"}