Dunaway William J sold $6.4M of SNEX

Dunaway William J (Chief Financial Officer) sold 96,490 shares of StoneX Group Inc. (SNEX) at $66.35 ($6.40M total) on 2026-08-14 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Dunaway William J
Published Aug 18, 2026, 12:28 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 18, 2026, 12:35 AM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$SNEX
Neutral
medium confidence
Mentioned
$SNEX
Relevance
5/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$SNEXNeutralLow
01

Why it matters

The newest fact is the disclosed sale details: 96,490 shares at $66.3468 on Aug 14, totaling $6.40M, with holdings after the trade of 502,203 shares.

02

Market read

Traders may treat this as a mild sentiment datapoint, but it does not provide new operational or financial guidance.

03

What to watch

The article does not state whether other insiders sold, whether the plan is part of routine diversification, or whether there were concurrent corporate events.

Relevance 5/10Novelty 3/10Timing: Form 4 filed Aug 17, covering an Aug 14 sale.

Background

The article is a SEC Form 4 insider transaction disclosure for StoneX Group Inc. (SNEX).

Company-level read

Ticker impact

$SNEXNeutralMedium confidence
Context

StoneX CFO Dunaway William J sold 96,490 shares in an open-market transaction worth about $6.40M, per a new Form 4 filed Aug 17.

Expected impact

Likely limited near-term impact; any effect would be sentiment-driven rather than earnings or guidance-related.

Evidence & confidence

The filing discloses transaction size, price, and that it was pre-arranged under Rule 10b5-1, which typically reduces interpretive weight versus discretionary selling.

Market effects

No direct sector read-through; this is company-specific insider activity.

None indicated.

None indicated.

Counterpoint

Even with a 10b5-1 plan, large insider sales can still coincide with private views on near-term risk, so traders may watch for follow-on disclosures.

Key entities

  • StoneX Group Inc.

    Subject of the Form 4 insider transaction disclosure (SNEX).

  • Dunaway William J

    Chief Financial Officer who executed the open-market sale under a Rule 10b5-1 plan.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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