{"schema_version":"secwatch.filing_event.v1","accession":"0001611983-23-000054","form_type":"8-K","ticker":"LBRDA","cik":"0001611983","company_name":"Liberty Broadband Corp","filed_at":"2023-10-26T23:59:59+00:00","discovered_at":"2026-05-14T18:03:29.776789+00:00","generated_at":"2026-06-09T08:34:34.800838+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Liberty Broadband Chief Corporate Development Officer Rosenthaler to retire Jan 1, 2024","bullets":["Albert E. Rosenthaler notified company of retirement from Chief Corporate Development Officer role.","Retirement effective January 1, 2024.","No successor named in the filing."],"urls":{"canonical":"https://secwatch.observer/filing/0001611983-23-000054","json":"https://secwatch.observer/filing/0001611983-23-000054.json","markdown":"https://secwatch.observer/filing/0001611983-23-000054.md","text":"https://secwatch.observer/filing/0001611983-23-000054.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1611983/000161198323000054/0001611983-23-000054-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1611983/000161198323000054/lbrda-20231020x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-09T08:34:34.800838+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":[{"claim_id":"4d2188385b","claim":"Albert E. Rosenthaler departed as Chief Corporate Development Officer at Liberty Broadband Corp.","evidence_excerpt":"Albert E. Rosenthaler notified Liberty Broadband Corporation (the “Company”) of his intention to retire from his position as Chief Corporate Development Officer of the Company, effective January 1, 2024.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1611983/000161198323000054/0001611983-23-000054-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"retire"},{"label":"Role","value":"Chief Corporate Development Officer"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}