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SEC EDGARSEP 41 min read$MIAX

Deitzel Edward sold $464K of MIAX

Deitzel Edward (EVP, CRO, CCO MIAX Exchanges) sold 11,000 shares of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) at $42.21 ($0.46M total) on 2026-09-03 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Deitzel Edward
Published Sep 4, 2026, 8:28 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 4, 2026, 8:44 PM 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.
About AlphAI AI DeskScoring methodologyReport an issue
AlphAI market briefInsider activity
Primary signal
$MIAX
Neutral
high confidence
Mentioned
$MIAX
Relevance
3/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MIAXNeutralLow
01

Why it matters

The disclosed sale is routine and does not provide a trading edge.

02

Market read

Limited relevance; typical insider sale with minimal market effect.

03

What to watch

Holding after sale remains sizable; no immediate red flag.

Relevance 3/10Novelty 4/10Timing: filed Sep 4 2026

Background

Form 4 filing reports insider transactions required by SEC; 10b5‑1 plans allow pre‑arranged sales.

Company-level read

Ticker impact

$MIAXNeutralHigh confidence
Context

Officer Edward Deitzel sold 11,000 shares for $464,310 via a 10b5‑1 plan.

Expected impact

no material impact

Evidence & confidence

Sale size is small relative to float and disclosed via Form 4, typical for insiders.

Market effects

Sector

none

Regional

none

Global

none

Counterpoint

What could challenge this read

Sale could signal insider confidence if accompanied by other purchases.

Key entities

  • Officer
    Edward Deitzel

    EVP, CRO, CCO of MIAX Exchanges

Read at source← All news

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.

MIAX insider trading history →

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