$MIAX

Jayabalan Harish sold $842K of MIAX

Jayabalan Harish (EVP, CISO and CRO) sold 20,000 shares of MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX) at $42.12 ($0.84M total) on 2026-07-06 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · Jayabalan Harish
Published Jul 7, 2026, 8:14 PM UTC
Analysis
alphai AI DeskAI-generated
Added to alphai Jul 7, 2026, 8:15 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.
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

The disclosed sale is under a pre-arranged Rule 10b5-1 plan, which generally lowers the informational content for near-term price discovery.

02

Market read

Traders may log the transaction for sentiment/positioning, but it is unlikely to drive a fundamental repricing by itself.

03

What to watch

The article lacks context on total compensation, remaining plan schedule, and whether sales are part of a broader multi-tranche program; those factors can materially change interpretation.

Relevance 4/10Novelty 3/10Timing: Filed after-hours on 2026-07-07; reflects sale executed 2026-07-06.

Background

The article is a primary-source SEC Form 4 insider transaction for MIAMI INTERNATIONAL HOLDINGS, INC. (MIAX).

Company-level read

Ticker impact

$MIAXNeutralMedium confidence
Context

Form 4 shows EVP/CISO/CRO Jayabalan Harish sold 20,000 MIAX shares on 2026-07-06 at $42.12 via a 10b5-1 plan.

Expected impact

Low near-term impact; any reaction is likely muted and short-lived.

Evidence & confidence

The filing is an open-market sale under a pre-arranged 10b5-1 plan, which typically reduces interpretive value versus discretionary selling.

Market effects

No sector read-across; this is company-specific insider transaction disclosure.

None indicated.

None indicated.

Counterpoint

Even with 10b5-1, repeated insider selling can coincide with executives de-risking ahead of perceived risk, so traders may watch for follow-on filings.

Key entities

  • MIAMI INTERNATIONAL HOLDINGS, INC.

    Subject of the Form 4 insider transaction; EVP/CISO/CRO sold shares via open-market sale under a 10b5-1 plan.

  • Jayabalan Harish

    EVP, CISO and CRO who reported the sale of 20,000 shares at $42.12 on 2026-07-06.

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