SecBot SecBot
Insider Cluster (2 insiders) ·Filed Mar 17, 2026

MIAX

MIAMI INTERNATIONAL HOLDINGS, INC.
NEUTRAL
Impact 4/10
Horizondays Processed7mo ago
Insider cluster: 3 insiders, $4.4M total
Actionable Insight • Neutral

Monitor for additional selling in coming weeks — while current activity is within normal ranges for option monetization, sustained net selling by insiders, especially C-suite, could signal caution. Compare next earnings report to recent price strength.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
MIAX ▼ -0.05% at T+60d
NEUTRAL call -0.05% · α vs SPY -9.91% · entry $39.82 → $39.80
Entry = T+0 close
Mar 16, 2026
via day close
T+1d
-0.68%
call -0.68% · α +0.72%
$39.55
settled 7mo ago
T+5d
-0.90%
call -0.90% · α +1.75%
$39.46
settled 7mo ago
T+20d
+11.05%
call +11.05% · α +6.75%
$44.22
settled 7mo ago
T+60d
-0.05%
call -0.05% · α -9.91%
$39.80
settled 5mo ago

Price Chart

Loading chart...

Executive Summary

Two insiders at MIAX sold shares in the past week, with EVP Shelly Brown selling $1.02M in stock and Director Kurt Eckert selling $1.48M after exercising options to acquire 12,917 shares at $12. The total open-market sales amount to $2.5M, representing 0.07% of the company's $3.6B market cap. Most transactions were related to option exercises and tax-efficient monetization.

Key Financial Metrics

Direction
selling
Total Value
$2.5M
Insiders
2

Key Facts

  • EVP Shelly Brown sold 25,932 shares in the open market for $1.02M at $39.33 per share.
  • Director Kurt Eckert exercised options to acquire 12,917 shares at $12, then sold 37,917 shares (including prior holdings) for $1.48M at $39.
  • Total open-market sales in the cluster: $2.5M.
  • Total insider sales over last 30 days: $4.4M vs $935K in buys.
  • No C-suite executives other than Brown were involved in open-market dispositions.

Financial Impact

$2.5M in open-market sales (0.07% of $3.6B market cap), plus $310K in non-cash option exercises.

insider ownershipmarket sentiment

Risk Factors

  • Perception of insider profit-taking after stock appreciation.
  • Potential for increased selling pressure if more option holders exercise near-term.

Market Snapshot

Exchange
NYSE

Investment Themes

Traditional Finance

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CONTEXT: Insider Cluster Data (4 trades, 7d window)cluster-MIAX-1774387753103
41 reports for MIAX
Performance horizon
67% Hit rate @ T+1 6 of 9 directional calls Went positive at some point 9 of 9 best @ T+5▲ +10.93%May 6, 2026
Filters
Rows
Reports for MIAX — sortable, filterable
TypeNow
Oct 1, 2026
25d ago
Press Release
NEUTRAL ★ 1/10
$33.75 $33.01▼ −2.19%▼ −2.93%$33.19 (−1.66%)
Sep 4, 2026
7w ago
Insider Cluster
NEUTRAL ★ 3/10
$43.46 $42.89▼ −1.31%▼ −0.85%$33.19 (−23.63%)
Sep 4, 2026
7w ago
Insider Cluster
NEUTRAL ★ 2/10
$43.46 $42.89▼ −1.31%▼ −0.85%$33.19 (−23.63%)
Aug 19, 2026
9w ago
Insider Cluster
MIXED ★ 5/10
$41.32 $42.59▲ +3.07%▲ +2.66%$33.19 (−19.68%)
Aug 19, 2026
9w ago
Insider Cluster
BEARISH ★ 5/10
$41.32 $42.59▼ −3.07%▼ −2.66%$33.19 (+19.68%)
Aug 6, 2026
11w ago
Insider Cluster
BEARISH ★ 6/10
$44.23 $43.59▲ +1.45%▲ +1.42%$33.19 (+24.96%)
Jul 16, 2026
14w ago
Insider Cluster
NEUTRAL ★ 5/10
$42.33 $42.04▼ −0.69%▼ −0.52%$33.19 (−21.59%)
Jul 14, 2026
14w ago
Insider Cluster
NEUTRAL ★ 3/10
$42.43 $42.89▲ +1.08%▲ +1.63%$33.19 (−21.78%)
Jul 7, 2026
15w ago
Insider Cluster
MIXED ★ 5/10
$41.86 $42.99▲ +2.70%▲ +1.85%$33.19 (−20.71%)
Jul 7, 2026
15w ago
Insider Cluster
NEUTRAL ★ 4/10
$41.86 $42.99▲ +2.70%▲ +1.85%$33.19 (−20.71%)
Showing 10 of 41

US Market Status

Market Open — Closes in 1h 36m

Subscribe to SecBot

Get Real-Time SEC Filing Intelligence

Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.

Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers
Report published Mar 24, 2026