The CFO's $1.50M sale is the key signal here, as C-suite open-market sales carry more weight than director sales. While the dollar amount is small relative to market cap, the sustained selling pattern (5 sells totaling $6.0M in 30 days) warrants monitoring. Watch for any upcoming 8-K filings, earnings pre-announcements, or material corporate developments that could explain this cluster. If the stock breaks below $42 support, selling pressure could accelerate.
Price Chart
Executive Summary
Two MIAX insiders, including the CFO, sold a combined $1.71M in open-market sales on August 17, 2026. The CFO's $1.50M sale is the dominant trade, representing a material cash-out relative to his position. While the director's sale is smaller and paired with option exercises, the cluster signals potential insider caution ahead of any upcoming corporate event or earnings period.
Key Financial Metrics
Key Facts
- CFO Lance Emmons sold 35,000 shares for $1.50M at $42.83 on 2026-08-17
- Director Cynthia Schwarzkopf sold 5,000 shares for $214K at $42.85 on 2026-08-17, after exercising options at $0 and $12
- Total insider cluster sales: $1.71M over a 7-day window
- Market cap is $4.2B; total sales represent ~0.04% of market cap, which is below the 0.1% threshold for materiality
- Recent 30-day insider activity shows 5 sells totaling $6.0M, indicating a sustained selling pattern
Financial Impact
Total insider sales of $1.71M represent 0.04% of MIAX's $4.2B market cap, which is below the 0.1% materiality threshold. However, the CFO's $1.50M sale is notable in absolute terms and relative to his role.
Risk Factors
- Insider sales may be liquidity-driven or part of a 10b5-1 plan, reducing their predictive value
- The director's sale was paired with option exercises, which is a common tax-planning strategy and not purely informational
- The cluster represents only 0.04% of market cap, which is below the typical materiality threshold for bearish signals
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MIAX-1787196972800 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | SC 13G/A | $33.03 | awaiting T+1 | — | $32.53 (−1.51%) |
Oct 26, 2026 1d ago | Insider Cluster | $33.16 | awaiting T+1 | — | $32.53 (−1.90%) |
Oct 1, 2026 26d ago | Press Release | $33.75 $33.01 | ▼ −2.19% | ▼ −2.93% | $32.53 (−3.61%) |
Sep 4, 2026 7w ago | Insider Cluster | $43.46 $42.89 | ▼ −1.31% | ▼ −0.85% | $32.53 (−25.15%) |
Sep 4, 2026 7w ago | Insider Cluster | $43.46 $42.89 | ▼ −1.31% | ▼ −0.85% | $32.53 (−25.15%) |
Aug 19, 2026 9w ago | Insider Cluster | $41.32 $42.59 | ▲ +3.07% | ▲ +2.66% | $32.53 (−21.27%) |
Aug 19, 2026 9w ago | Insider Cluster | $41.32 $42.59 | ▼ −3.07% | ▼ −2.66% | $32.53 (+21.27%) |
Aug 6, 2026 11w ago | Insider Cluster | $44.23 $43.59 | ▲ +1.45% | ▲ +1.42% | $32.53 (+26.45%) |
Jul 16, 2026 14w ago | Insider Cluster | $42.33 $42.04 | ▼ −0.69% | ▼ −0.52% | $32.53 (−23.15%) |
Jul 14, 2026 15w ago | Insider Cluster | $42.43 $42.89 | ▲ +1.08% | ▲ +1.63% | $32.53 (−23.33%) |
US Market Status
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