{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-129070","form_type":"8-K","ticker":"SBAC","cik":"0001034054","company_name":"SBA COMMUNICATIONS CORP","filed_at":"2026-03-27T23:59:59+00:00","discovered_at":"2026-05-14T18:02:34.431436+00:00","generated_at":"2026-05-15T08:31:02.298973+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.35,"calibrated_materiality_score":0.35,"confidence":"high","headline":"SBA EVP U.S. Operations Mark Ciarfella retires Dec 31, 2026; stays until Mar 7, 2027","bullets":["Mark Ciarfella, EVP U.S. Operations, gave notice of retirement effective Dec 31, 2026.","He will remain as a non-executive employee through March 7, 2027 to support transition.","No successor named; search process not disclosed in filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-129070","json":"https://secwatch.observer/filing/0001193125-26-129070.json","markdown":"https://secwatch.observer/filing/0001193125-26-129070.md","text":"https://secwatch.observer/filing/0001193125-26-129070.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1034054/000119312526129070/0001193125-26-129070-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1034054/000119312526129070/d108430d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-15T08:31:02.298973+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"}