---
schema_version: "secwatch.filing_event.v1"
accession: "0000913760-25-000127"
form_type: "8-K"
ticker: "SNEX"
cik: "0000913760"
company_name: "StoneX Group Inc."
filed_at: "2025-07-31T23:59:59+00:00"
generated_at: "2026-05-17T22:39:50.969507+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.95
calibrated_materiality_score: 0.95
confidence: "high"
source: SEC EDGAR
---

# StoneX completes $611M cash + 3.1M share acquisition of R.J. O'Brien; largest non-bank FCM

## Summary
- Cash consideration of $610.6M plus 3,085,554 shares of SNEX common stock.
- RJO generated $766M revenue and ~$170M EBITDA in 2024; deal expected to be accretive.
- Targets $50M annual expense savings and $50M in capital synergies.
- Combined entity becomes largest non-bank FCM in U.S.; client float expands by ~$6B.
- Transaction partially funded by $625M 6.875% Senior Secured Notes due 2032.

## SEC filing metadata
- accession: 0000913760-25-000127
- form_type: 8-K
- ticker: SNEX
- cik: 0000913760
- company_name: StoneX Group Inc.
- filed_at: 2025-07-31T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.95
- calibrated_materiality_score: 0.95
- confidence: high
- sec_items: 2.01, 2.03, 3.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/913760/000091376025000127/0000913760-25-000127-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/913760/000091376025000127/intl-20250731.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000913760-25-000127
- JSON: https://secwatch.observer/filing/0000913760-25-000127.json
- Plain text: https://secwatch.observer/filing/0000913760-25-000127.txt

## Key facts
- Debt Financings
  StoneX Group Inc. incurred senior notes of $625,000,000 in aggregate principal amount with The Bank of New York Mellon at 6.875% maturing 2032.
  - Instrument: senior notes
  - Principal: $625,000,000 in aggregate principal amount
  - Counterparty: The Bank of New York Mellon
  - Rate: 6.875%
  - Maturity: 2032
  - Event: incurrence
  source text: in connection with the issuance and sale of $625,000,000 in aggregate principal amount of 6.875% Senior Secured Notes due 2032
  evidence_url: https://www.sec.gov/Archives/edgar/data/913760/000091376025000127/0000913760-25-000127-index.htm
- M&A Transactions
  StoneX Group Inc. completed an acquisition involving RTS Investor Corp. for aggregate consideration of (i) $610,566,926 in cash, subject to post-closing adjustment as provided in the Merger Agreement and (ii) 3,085,554 shares of common (closed 2025-07-31).
  - Action: acquisition
  - Counterparty: RTS Investor Corp.
  - Consideration: aggregate consideration of (i) $610,566,926 in cash, subject to post-closing adjustment as provided in the Merger Agreement and (ii) 3,085,554 shares of common
  - Closing: 2025-07-31
  source text: the Merger Agreement, in connection with the Merger, StoneX paid the equityholders, option holders and holders of stock appreciation rights of RTS aggregate consideration of (i) $610,566,926 in cash, subject to post-closing adjustment as provided in the Merger Agreement and (ii) 3,085,554 shares (the “Stock Consideration”) of common stock, par value $0.01 per share,
  evidence_url: https://www.sec.gov/Archives/edgar/data/913760/000091376025000127/0000913760-25-000127-index.htm

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