Director-only cluster sells at 0.06% of market cap after strong earnings are not predictive. The Q3 guidance raise and 22.5% YoY revenue growth dominate the narrative. Ignore this insider noise; focus on the business fundamentals and upcoming quarterly execution against the $331-339M revenue guide. The cross-filing earnings context confirms no adverse signal — these are simply director rebalancing trades.
Price Chart
Executive Summary
A cluster of insider sales totaling $17.3M was filed within 2 weeks of MTSI's Q2 FY2026 earnings release (May 7), which showed a 22.5% revenue beat and raised Q3 guidance to $331-339M above consensus. All three sellers are independent directors, not C-suite executives. The total value is ~0.06% of MTSI's $28.7B market cap — below the 0.1% materiality threshold. Historical calibration shows cluster sells at MTSI score=6 have a 31% observed up-move probability (p_obs 0.31) and near-symmetric wins/losses (+16.6% μ_w vs -16.1% μ_l), offering no edge. Given the director-only composition, trivial percentage of market cap, and the academic finding that cluster sells carry no informational edge, the filing is routine and non-directional.
Key Financial Metrics
Key Facts
- Total insider sales: $17.26M (0.06% of $28.7B market cap — sub-materiality threshold of 0.1%)
- All three sellers are independent directors (Chung, Bland, Ribar), not C-suite officers
- Cluster occurred 6-7 days after a strong Q2 FY2026 earnings report (revenue +22.5% YoY to $289M, adjusted EPS $1.09 beat vs $0.85 YoY)
- Q3 guidance raised to $331-339M revenue vs $330M consensus; adjusted EPS guided to $1.31-1.37
- No 10b5-1 plan disclosure, but director sales after earnings are frequently driven by personal liquidity or portfolio rebalancing
- Prior MTSI score=6 cluster sell reports show 31% up-move probability at T+20 with symmetric wins/losses (±16%), no edge
Financial Impact
$17.26M in shares sold, representing 0.06% of market cap — economically negligible
Risk Factors
- No C-suite insider buying to reinforce the positive earnings trajectory
- Director sales at elevated stock prices (~$378-380) may indicate valuation concerns at current levels
- Historical insider cluster data shows modest selling volume persists ($17.3M in 30d prior)
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-MTSI-1779134566250 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Aug 6, 2026 8w ago | 8-K | $301.64 $259.95 | ▼ −13.82% | ▼ −14.42% | $323.14 (+7.13%) |
Jun 9, 2026 16w ago | Press Release | $358.72 $304.82 | ▼ −15.03% | ▼ −16.47% | $323.14 (−9.92%) |
May 29, 2026 17w ago | 144 | $353.79 $380.37 | ▲ +7.51% | ▲ +8.81% | $323.14 (−8.66%) |
May 27, 2026 18w ago | 144 | $400.66 $390.19 | ▼ −2.61% | ▼ −0.71% | $323.14 (−19.35%) |
May 18, 2026 19w ago | Insider Cluster | $358.98 $367.11 | ▲ +2.26% | ▲ +1.28% | $323.14 (−9.98%) |
May 18, 2026 19w ago | Insider Cluster | $358.98 $367.11 | ▲ +2.26% | ▲ +1.28% | $323.14 (−9.98%) |
May 18, 2026 19w ago | Insider Cluster | $358.98 $367.11 | ▲ +2.26% | ▲ +1.28% | $323.14 (−9.98%) |
May 18, 2026 19w ago | Insider Cluster | $380.45 $395.70 | ▲ +4.01% | ▲ +3.68% | $323.14 (−15.06%) |
May 18, 2026 19w ago | Insider Cluster | $358.98 $367.11 | ▲ +2.26% | ▲ +1.28% | $323.14 (−9.98%) |
May 15, 2026 19w ago | Insider Cluster | $356.25 $368.32 | ▲ +3.39% | ▲ +1.81% | $323.14 (−9.29%) |
US Market Status
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