{"schema_version":"secwatch.filing_event.v1","accession":"0001104659-25-097567","form_type":"8-K","ticker":"TTEK","cik":"0000831641","company_name":"TETRA TECH INC","filed_at":"2025-10-07T23:59:59+00:00","discovered_at":"2026-05-14T18:02:42.295091+00:00","generated_at":"2026-05-17T04:31:36.799114+00:00","sec_items":["5.02","8.01","9.01"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"Tetra Tech promotes Roger R. Argus to President, Jonathan S. Weiss to lead CIG","bullets":["Roger R. Argus promoted to President, reporting to CEO Dan Batrack; previously EVP Corporate Development and President CIG.","Jonathan S. Weiss appointed President of Commercial/International Services Group (CIG), effective immediately.","Both appointments are part of Tetra Tech's succession planning and internal talent development into fiscal year 2026.","Argus has over 30 years at Tetra Tech; Weiss also brings 30+ years leading federal and commercial operations."],"urls":{"canonical":"https://secwatch.observer/filing/0001104659-25-097567","json":"https://secwatch.observer/filing/0001104659-25-097567.json","markdown":"https://secwatch.observer/filing/0001104659-25-097567.md","text":"https://secwatch.observer/filing/0001104659-25-097567.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/831641/000110465925097567/0001104659-25-097567-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/831641/000110465925097567/tm2528147d1_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-17T04:31:36.799114+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"}