---
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"
generated_at: "2026-06-28T07:32:24.511385+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Siebert acquires 24% of Tigress, creates RISE Financial Services; DiBartolo joins board

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 1.01, 5.02, 8.01, 9.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000891092-21-007390
- JSON: https://secwatch.observer/filing/0000891092-21-007390.json
- Plain text: https://secwatch.observer/filing/0000891092-21-007390.txt

## Key facts
- Executive change
  Cynthia DiBartolo was appointed as Director at SIEBERT FINANCIAL CORP.
  - Action: appointed
  - Role: Director
  source text: 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_url: https://www.sec.gov/Archives/edgar/data/65596/000089109221007390/0000891092-21-007390-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.