The insider sales are modest relative to market cap and follow a strong earnings report, consistent with routine portfolio rebalancing rather than informed selling. Monitor for any subsequent 8-K filings or guidance changes, but no immediate bearish read-through is warranted. The CEO's option exercise at $12/share (deep in-the-money) is a non-cash event and does not signal bearishness.
Price Chart
Executive Summary
A cluster of 7 MIAX insiders, including the CEO and multiple EVPs, sold $6.03M in stock over the past week, representing ~0.12% of the $5.0B market cap. The sales follow a strong Q1 earnings beat (revenue +40% YoY, EPS beat by 17%) reported on May 6, suggesting profit-taking or routine diversification rather than a bearish signal. The CEO also exercised options at $12/share, but the open-market sales dominate the cluster.
Key Financial Metrics
Key Facts
- 7 insiders sold a total of $6.03M in open-market sales from May 4-11, 2026
- CEO Thomas Gallagher sold $756K worth of shares on May 5
- EVP & CIO Douglas Schafer sold $2.27M, the largest single trade in the cluster
- Sales represent ~0.12% of MIAX's $5.0B market cap, below the 0.5% materiality threshold
- Cluster follows Q1 2026 earnings on May 6: revenue $128.6M (+40% YoY), adjusted EPS $0.42 vs consensus $0.36
- CEO also exercised 24,999 options at $12/share (non-cash event) on May 11
Financial Impact
Total insider sales of $6.03M represent 0.12% of market cap — modest and routine for a $5B company
Risk Factors
- Insider sales could accelerate if Q2 2026 results disappoint
- The cluster includes multiple C-suite executives, which could indicate coordinated selling if a material negative event is pending
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-1778704012794 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | Insider Cluster | $33.16 | awaiting T+1 | — | $32.59 (−1.72%) |
Oct 1, 2026 26d ago | Press Release | $33.75 $33.01 | ▼ −2.19% | ▼ −2.93% | $32.59 (−3.44%) |
Sep 4, 2026 7w ago | Insider Cluster | $43.46 $42.89 | ▼ −1.31% | ▼ −0.85% | $32.59 (−25.01%) |
Sep 4, 2026 7w ago | Insider Cluster | $43.46 $42.89 | ▼ −1.31% | ▼ −0.85% | $32.59 (−25.01%) |
Aug 19, 2026 9w ago | Insider Cluster | $41.32 $42.59 | ▲ +3.07% | ▲ +2.66% | $32.59 (−21.13%) |
Aug 19, 2026 9w ago | Insider Cluster | $41.32 $42.59 | ▼ −3.07% | ▼ −2.66% | $32.59 (+21.13%) |
Aug 6, 2026 11w ago | Insider Cluster | $44.23 $43.59 | ▲ +1.45% | ▲ +1.42% | $32.59 (+26.32%) |
Jul 16, 2026 14w ago | Insider Cluster | $42.33 $42.04 | ▼ −0.69% | ▼ −0.52% | $32.59 (−23.01%) |
Jul 14, 2026 14w ago | Insider Cluster | $42.43 $42.89 | ▲ +1.08% | ▲ +1.63% | $32.59 (−23.19%) |
Jul 7, 2026 15w ago | Insider Cluster | $41.86 $42.99 | ▲ +2.70% | ▲ +1.85% | $32.59 (−22.15%) |
US Market Status
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