The cluster is modest in size relative to market cap and follows a textbook cashless-exercise pattern — not a strong bearish signal. However, the simultaneous C-suite selling warrants monitoring for any upcoming negative news (earnings miss, regulatory action). The cross-filing amplifiers suggest that if an earnings or offering filing appears soon, this cluster becomes more informative. For now, treat as routine post-vesting liquidity.
Price Chart
Executive Summary
Three top executives (CEO, EVP/CIO, EVP/CSO) sold a combined $5.70M in open-market shares on June 2, 2026, following derivative exercises at $0 and $12 strike prices. The sales represent ~0.15% of MIAX's $3.8B market cap — a modest but notable cluster involving the entire C-suite, all on the same day, suggesting coordinated post-vesting liquidity rather than a bearish signal.
Key Financial Metrics
Key Facts
- Chairman & CEO Thomas Gallagher sold 70,000 shares for $2.97M at $42.36
- EVP & CIO Douglas Schafer sold 48,000 shares for $2.06M at $42.84
- EVP & CSO Shelly Brown sold 16,000 shares for $674K at $42.12
- All three insiders exercised options at $0 or $12 strike before selling — typical cashless exercise pattern
- Total cluster value of $5.70M equals ~0.15% of MIAX's $3.8B market cap
- All sales occurred on the same day (June 2, 2026), consistent with a shared blackout-window opening or vesting schedule
Financial Impact
$5.70M in open-market sales by three top executives, representing ~0.15% of market cap
Risk Factors
- All three top executives selling on the same day could indicate coordinated insider concern ahead of undisclosed negative news
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-1780605728917 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | Insider Cluster | — | awaiting T+1 | — | — |
Oct 1, 2026 25d ago | Press Release | $33.75 $33.01 | ▼ −2.19% | ▼ −2.93% | $33.16 (−1.75%) |
Sep 4, 2026 7w ago | Insider Cluster | $43.46 $42.89 | ▼ −1.31% | ▼ −0.85% | $33.16 (−23.70%) |
Sep 4, 2026 7w ago | Insider Cluster | $43.46 $42.89 | ▼ −1.31% | ▼ −0.85% | $33.16 (−23.70%) |
Aug 19, 2026 9w ago | Insider Cluster | $41.32 $42.59 | ▲ +3.07% | ▲ +2.66% | $33.16 (−19.75%) |
Aug 19, 2026 9w ago | Insider Cluster | $41.32 $42.59 | ▼ −3.07% | ▼ −2.66% | $33.16 (+19.75%) |
Aug 6, 2026 11w ago | Insider Cluster | $44.23 $43.59 | ▲ +1.45% | ▲ +1.42% | $33.16 (+25.03%) |
Jul 16, 2026 14w ago | Insider Cluster | $42.33 $42.04 | ▼ −0.69% | ▼ −0.52% | $33.16 (−21.66%) |
Jul 14, 2026 14w ago | Insider Cluster | $42.43 $42.89 | ▲ +1.08% | ▲ +1.63% | $33.16 (−21.85%) |
Jul 7, 2026 15w ago | Insider Cluster | $41.86 $42.99 | ▲ +2.70% | ▲ +1.85% | $33.16 (−20.78%) |
US Market Status
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