{"schema_version":"secwatch.filing_event.v1","accession":"0000891092-21-007390","form_type":"8-K","ticker":"SIEB","cik":"0000065596","company_name":"SIEBERT FINANCIAL CORP","filed_at":"2021-11-17T23:59:59+00:00","discovered_at":"2026-05-14T18:04:15.273388+00:00","generated_at":"2026-06-28T07:32:24.511385+00:00","sec_items":["1.01","5.02","8.01","9.01"],"event_type":"m_and_a","sentiment":"positive","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Siebert acquires 24% of Tigress, creates RISE Financial Services; DiBartolo joins board","bullets":["Siebert acquired 24% of Tigress Holdings; in exchange Tigress received 24% of RISE Financial and 1,449,525 Siebert shares valued at 60-day average price.","Cynthia DiBartolo appointed to Siebert Board; Gloria Gebbia appointed to Tigress Board; DiBartolo remains CEO of Tigress and becomes CEO of RISE.","WPS Prime Services rebranded to RISE Financial Services; division RISE Prime offers ESG-aligned prime brokerage with Pershing clearing.","Transaction closed Nov 16, 2021; RISE targets institutional demand for diverse prime broker services.","DiBartolo brings 35+ years finance experience; first disabled and woman-owned NYSE floor broker."],"urls":{"canonical":"https://secwatch.observer/filing/0000891092-21-007390","json":"https://secwatch.observer/filing/0000891092-21-007390.json","markdown":"https://secwatch.observer/filing/0000891092-21-007390.md","text":"https://secwatch.observer/filing/0000891092-21-007390.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/65596/000089109221007390/0000891092-21-007390-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/65596/000089109221007390/sieb8k2021.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-28T07:32:24.511385+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":"8d9df3e4c1","claim":"Cynthia DiBartolo was appointed as Director at SIEBERT FINANCIAL CORP.","evidence_excerpt":"The Company’s Board of Directors appointed Cynthia DiBartolo as a new member of the Company’s Board of Directors, effective November 16, 2021.","evidence_source":"SEC 8-K Item 5.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/65596/000089109221007390/0000891092-21-007390-index.htm","confidence":0.95,"family_label":"Executive change","details":[{"label":"Action","value":"appointed"},{"label":"Role","value":"Director"}],"fact_type":"executive_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}