The insider selling is routine in size and pattern relative to AMSC's market cap. Monitor for any upcoming 8-K or material event that could explain the concentrated selling window, but no immediate action warranted. The 30-day selling trend ($2.4M total) is consistent with diversification or 10b5-1 plan execution rather than informed bearishness.
Price Chart
Executive Summary
CEO and CFO of AMSC sold a combined $617K in open-market sales over a 4-day window (June 8–11, 2026), with the CEO selling $636K total and the CFO selling $324K. The sales represent ~0.03% of AMSC's $1.8B market cap — a trivial amount — and follow a 30-day pattern of $2.4M in insider selling. No material bearish signal given the small proportionality and routine nature of the sales.
Key Financial Metrics
Key Facts
- CEO Daniel P. McGahn sold 16,500 shares total ($636K) on June 8 and June 11, 2026
- CFO John W. Kosiba Jr. sold 8,312 shares total ($324K) on June 8 and June 11, 2026
- Total cluster value of $617K is ~0.03% of AMSC's $1.8B market cap
- Both sales were open-market transactions (code S), not tax-withholding or option exercises
- Prior 30-day insider activity: 8 sells totaling $2.4M, consistent with ongoing selling pattern
Financial Impact
Total insider sales of $617K represent ~0.03% of market cap — immaterial
Risk Factors
- Continued insider selling pattern could erode confidence if it accelerates beyond 0.1% of market cap per month
- No material financial or operational red flags from this cluster alone
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-AMSC-1781209975687 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Jul 31, 2026 12w ago | Press Release | $29.37 $25.40 | ▼ −13.52% | ▼ −15.97% | $26.72 (−9.03%) |
Jun 12, 2026 19w ago | Insider Cluster | $41.07 $29.31 | ▼ −28.63% | ▼ −29.64% | $26.72 (−34.95%) |
Jun 11, 2026 19w ago | Institutional Cluster | $40.02 $30.44 | ▼ −23.94% | ▼ −27.20% | $26.72 (−33.24%) |
Jun 11, 2026 19w ago | Insider Cluster | $40.02 $30.44 | ▼ −23.94% | ▼ −27.20% | $26.72 (−33.24%) |
Jun 11, 2026 19w ago | Insider Cluster | $40.02 $30.44 | ▼ −23.94% | ▼ −27.20% | $26.72 (−33.24%) |
Jun 10, 2026 19w ago | Insider Cluster | $39.51 $29.55 | ▼ −25.21% | ▼ −29.60% | $26.72 (−32.38%) |
May 27, 2026 21w ago | 8-K | $51.33 $30.01 | ▼ −41.54% | ▼ −43.27% | $26.72 (−47.95%) |
May 21, 2026 22w ago | Press Release | $51.84 $31.02 | ▼ −40.16% | ▼ −43.35% | $26.72 (−48.46%) |
US Market Status
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