{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-21-123937","form_type":"8-K","ticker":"TTEK","cik":"0000831641","company_name":"TETRA TECH INC","filed_at":"2021-10-07T23:59:59+00:00","discovered_at":"2026-05-14T18:04:15.790095+00:00","generated_at":"2026-06-28T22:24:33.856541+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Tetra Tech authorizes additional $400M share repurchase program, total $563M available","bullets":["Board authorized $400M share repurchase program, doubling previous authorization; total $563M available.","In last 12 months, generated $294M operating cash flow; returned $98M to shareholders via buybacks and dividends.","Net debt leverage ratio was 0.1x at end of Q3 2021, reflecting continued deleveraging.","Completed five strategic acquisitions in last 12 months, adding technical capabilities and geographic presence."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-21-123937","json":"https://secwatch.observer/filing/0001104659-21-123937.json","markdown":"https://secwatch.observer/filing/0001104659-21-123937.md","text":"https://secwatch.observer/filing/0001104659-21-123937.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/831641/000110465921123937/0001104659-21-123937-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/831641/000110465921123937/tm2129431d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T22:24:33.856541+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"}