ACLS AXCELIS TECHNOLOGIES INC
Price Chart
Executive Summary
Five Axcelis insiders sold a total of ~$956K in open-market sales over a 7-day window, representing ~0.02% of the company's $4.9B market cap. The sell cluster includes the EVP General Counsel, EVP of R&D, EVP Global Customer Operations, VP Corporate Controller, and a Director, but the aggregate dollar value is immaterial relative to company size. Per academic literature, cluster sells are typically liquidity/vesting-driven and carry little predictive signal.
Key Financial Metrics
Actionable Insight
Dollar value is too small to warrant concern — this appears to be routine portfolio diversification and/or pre-planned 10b5-1 selling. Monitor upcoming earnings (2.02) or any material agreements (1.01) for potential catalysts, but this insider cluster alone is not actionable.
Key Facts
- 5 insiders sold open-market shares totaling roughly $956K from May 20-27, 2026
- Total sales are ~0.02% of ACLS's $4.9B market cap — immaterial by proportionality standards
- Sellers include C-suite (EVP GC, EVP R&D, EVP Ops) and a Director — broad but small-dollar
- No open-market purchases reported in the cluster; net direction is selling
- Cluster sells are weakly predictive vs cluster buys per academic literature (Cohen et al.; Alldredge 2019)
Financial Impact
Total insider sales of ~$956K, or 0.02% of market cap
Risk Factors
- If insider selling accelerates to >0.5% of market cap in a concentrated window, signal would strengthen
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ACLS-1780002346779 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
|
Jun 4, 2026
1d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 28, 2026
8d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 26, 2026
10d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 22, 2026
14d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 21, 2026
15d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 15, 2026
21d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 15, 2026
21d ago
|
Insider Cluster
| $146.24 $164.27 | ▲ +12.33% | ▲ +10.71% | $147.16 (+0.63%) |
|
May 15, 2026
21d ago
|
Insider Cluster
| — | awaiting T+5 | — | — |
|
May 6, 2026
4w ago
|
Insider Cluster
| $171.00 $162.15 | ▲ +5.18% | ▲ +6.35% | $147.16 (+13.94%) |
US Market Status
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