{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-158356","form_type":"8-K","ticker":"MTZ","cik":"0000015615","company_name":"MASTEC INC","filed_at":"2024-06-10T23:59:59+00:00","discovered_at":"2026-05-14T18:03:18.964429+00:00","generated_at":"2026-06-01T05:17:38.530000+00:00","sec_items":["1.01","2.03","9.01"],"event_type":"debt","sentiment":"neutral","materiality_score":0.55,"calibrated_materiality_score":0.55,"confidence":"high","headline":"MasTec issues $550M of 5.900% senior notes due 2029","bullets":["Issued $550M aggregate principal amount of 5.900% senior unsecured notes due June 15, 2029.","Interest payable semi-annually on June 15 and December 15, starting December 15, 2024.","Notes are unsecured, not guaranteed by subsidiaries, structurally subordinated to secured debt.","Company may redeem notes in whole or in part at specified redemption prices."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-158356","json":"https://secwatch.observer/filing/0001193125-24-158356.json","markdown":"https://secwatch.observer/filing/0001193125-24-158356.md","text":"https://secwatch.observer/filing/0001193125-24-158356.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/15615/000119312524158356/0001193125-24-158356-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/15615/000119312524158356/d765599d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-01T05:17:38.530000+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"}