{"schema_version":"secwatch.filing_event.v1","accession":"0000891092-21-005903","form_type":"8-K","ticker":"SIEB","cik":"0000065596","company_name":"SIEBERT FINANCIAL CORP","filed_at":"2021-08-04T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.476602+00:00","generated_at":"2026-06-29T22:51:16.854335+00:00","sec_items":["8.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.05,"calibrated_materiality_score":0.05,"confidence":"high","headline":"Siebert Financial Corp. moves headquarters to 535 Fifth Avenue, New York","bullets":["Effective August 4, 2021, headquarters relocated to 535 Fifth Avenue, 4th Floor, New York, NY 10017.","Telephone number (212) 644-2400 remains unchanged.","Prior address was 120 Wall Street, New York, NY 10005."],"urls":{"canonical":"https://secwatch.observer/filing/0000891092-21-005903","json":"https://secwatch.observer/filing/0000891092-21-005903.json","markdown":"https://secwatch.observer/filing/0000891092-21-005903.md","text":"https://secwatch.observer/filing/0000891092-21-005903.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/65596/000089109221005903/0000891092-21-005903-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/65596/000089109221005903/sieb8k2021.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T22:51:16.854335+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"}