{"schema_version":"secwatch.filing_event.v1","accession":"0001611983-25-000020","form_type":"8-K","ticker":"LBRDA","cik":"0001611983","company_name":"Liberty Broadband Corp","filed_at":"2025-05-22T23:59:59+00:00","discovered_at":"2026-05-14T18:02:49.019003+00:00","generated_at":"2026-05-20T18:13:28.586022+00:00","sec_items":["5.02","7.01","9.01"],"event_type":"dividend","sentiment":"neutral","materiality_score":0.3,"calibrated_materiality_score":0.3,"confidence":"high","headline":"Liberty Broadband declares $0.4375 quarterly preferred dividend, appoints Derek Chang to board","bullets":["Quarterly cash dividend on Series A Preferred (LBRDP): $0.43750001/share, payable July 15, 2025 to holders of record June 30, 2025.","Derek Chang, President & CEO of Liberty Media Corporation, appointed to board as Class I director, term expiring at 2027 annual meeting.","Board now totals 8 directors; Chang's appointment effective immediately."],"urls":{"canonical":"https://secwatch.observer/filing/0001611983-25-000020","json":"https://secwatch.observer/filing/0001611983-25-000020.json","markdown":"https://secwatch.observer/filing/0001611983-25-000020.md","text":"https://secwatch.observer/filing/0001611983-25-000020.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1611983/000161198325000020/0001611983-25-000020-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1611983/000161198325000020/lbrda-20250522x8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-20T18:13:28.586022+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":"952cb58be2","claim":"Derek Chang was appointed as Class I director at Liberty Broadband Corp.","evidence_excerpt":"On May 22, 2025, Derek Chang was appointed to the board of directors (the “Board”) of Liberty Broadband Corporation (“Liberty”), effective immediately.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1611983/000161198325000020/0001611983-25-000020-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Class I director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}