{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-354111","form_type":"8-K","ticker":"MTZ","cik":"0000015615","company_name":"MASTEC INC","filed_at":"2026-08-17T20:24:01+00:00","discovered_at":"2026-08-17T20:25:02.011134+00:00","generated_at":"2026-08-17T20:25:07.452291+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"MasTec completes $650M offering of 5.850% senior notes due 2036","bullets":["Issued $650M aggregate principal of 5.850% senior unsecured notes due Sept 30, 2036 on Aug 17, 2026.","Interest payable semi-annually Mar 30 and Sep 30, first payment Mar 30, 2027.","Notes are senior unsecured, not guaranteed by subsidiaries, structurally subordinated to subsidiary obligations.","Company may redeem notes at specified prices; customary events of default and remedies apply."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-354111","json":"https://secwatch.observer/filing/0001193125-26-354111.json","markdown":"https://secwatch.observer/filing/0001193125-26-354111.md","text":"https://secwatch.observer/filing/0001193125-26-354111.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/15615/000119312526354111/0001193125-26-354111-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/15615/000119312526354111/d299977d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-08-17T20:25:07.452291+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"}