AlphAIAlphAI — Financial news for AI agents
SEC EDGARJUN 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 $42.16 ($0.46M total) on 2026-06-02 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Deitzel Edward
Published Jun 4, 2026, 8:44 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Jun 4, 2026, 8:58 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
medium confidence
Mentioned
$MIAX
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$MIAXNeutralLow
01

Why it matters

Insider selling disclosures can influence near-term sentiment, but 10b5-1 plans typically reduce interpretability as a directional signal.

02

Market read

A planned insider sale is unlikely to be a standalone catalyst, but may slightly affect short-term trading sentiment around the filing date.

03

What to watch

Insider sales can be offset by other insider buys or broader institutional flows, which are not addressed in this filing-only article.

Relevance 4/10Novelty 2/10Timing: Filed June 4, covering a June 2 sale transaction.

Background

The article is an SEC Form 4 insider transaction disclosure for Miami International Holdings, Inc. (MIAX).

Company-level read

Ticker impact

$MIAXNeutralMedium confidence
Context

MIAX disclosed an EVP/CRO insider open-market sale of 11,000 shares ($463,760) under a pre-arranged 10b5-1 plan.

Expected impact

Low likelihood of a sustained price move; any impact is likely brief and sentiment-driven.

Evidence & confidence

Form 4 shows a planned 10b5-1 sale rather than an unexpected change in outlook, and the article provides no new company-specific operating or financial catalyst.

Market effects

Sector

Minimal; this is company-specific insider activity without disclosed sector-wide developments.

Regional

None.

Global

None.

Counterpoint

What could challenge this read

Because the sale is under a 10b5-1 plan, it may reflect liquidity/compensation mechanics rather than bearish expectations.

Key entities

  • issuer
    MIAX

    Miami International Holdings, Inc.; subject of the Form 4 insider sale disclosure.

  • insider
    Deitzel Edward

    EVP, CRO, CCO; reported an open-market sale under a pre-arranged 10b5-1 plan.

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 →

Related articles

OCT 7
$MIAXHigh

Keefe Bruyette cuts Miami International stock price target on volume miss

Keefe, Bruyette & Woods reduced its price target for Miami International Holdings (NYSE: MIAX) to $35 from $48, citing lower-than-expected trading volumes in Q3 2026. The company's options, cash equities, and futures volumes fell short of estimates, contributing to a 31% YTD stock decline. However, agricultural futures volume and revenue per contract for cash equities and futures exceeded estimates.

investing.com2 min
SEP 1
$MIAXMed

Morgan Stanley cuts Miami International Holdings stock rating on balanced risk-reward outlook

Morgan Stanley downgraded Miami International Holdings (MIAX) to Equalweight, lowering its price target to $50.00 from $53.00, citing a balanced risk-reward profile. The firm expects revenue per contract to soften and margin expansion to slow. MIAX's stock trades at $42.87, below the new target and fair value estimate. The company reported strong Q2 2026 earnings, beating expectations with $0.48 EPS and $141.1M revenue. Morgan Stanley remains constructive on MIAX's long-term growth.

uk.investing.com2 min
AUG 14
$MIAXMedAI 8/10

MIAX (MIAX) Q2 2026 Earnings Call Transcript

MIAX (MIAX) reported Q2 2026 results from its earnings call. Total net revenue rose 35% year over year to $141 million, with adjusted EBITDA margin up more than 700 bps to 54% and adjusted diluted EPS of $0.48. MIAX said Bloomberg Financial Futures products launched and options volumes stayed elevated amid volatile market conditions.

yahoo.com7 min
AUG 5
$MIAXMedAI 8/10

Miami International Holdings Reports Second Quarter 2026 Results

Miami International Holdings (MIAX) reported Q2 2026 net revenue of $141.1 million, up 35% YoY. GAAP diluted EPS was $0.40 and adjusted diluted EPS $0.48. Adjusted EBITDA rose 57% to $76.8 million, with a 54% margin. The company updated FY 2026 expense guidance and noted higher options volumes and new index futures launches.

prnewswire.com6 min
AUG 5
$MIAXMed

Miami International Holdings Reports Second Quarter 2026 Results

MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) filed an SEC Form 8-K — Results of Operations and Financial Condition. Miami International Holdings Reports Second Quarter 2026 Results • Record Q2 Net revenue of $141 million (+35% YoY) • Q2 GAAP diluted EPS of $0.40; Adjusted diluted EPS of $0.48 • Q2 Adjusted EBITDA of $77 million (+57% YoY); Adjusted EBITDA margin of 54% (+>700 bps YoY) • Update

SEC EDGAR 8-K6 min