ACLS AXCELIS TECHNOLOGIES INC
Price Chart
Executive Summary
Five Axcelis insiders, including two EVPs and a VP, collectively sold ~$1.74M in stock over May 12-14, 2026, following a Q1 earnings release on May 7 that showed revenue up 3.3% YoY but GAAP EPS down 66% YoY ($0.30 vs $0.88) and guidance for flat 2026 revenue. Grants and tax-withholding transactions on May 15 are non-cash and not material to the sell signal. The sale cluster is modest at 0.04% of the $4.5B market cap, below materiality thresholds per academic literature, and is likely routine portfolio rebalancing after equity compensation vesting.
Key Financial Metrics
Actionable Insight
The sell cluster is economically trivial relative to market cap and includes no C-suite executives (CEO/CFO not selling). This is consistent with routine diversification after equity vesting. The Veeco merger and flat-revenue guidance are the more relevant trading narratives. Monitor Q2 earnings in early August for order momentum in Memory/DRAM and any Veeco deal timeline updates.
Key Facts
- Insider cluster of 5 open-market sellers (2 EVPs, 1 VP, 1 Director, 1 EVP) over May 12-14, total ~$1.74M sold at $160-$164/share
- Q1 2026 revenue $199.0M (+3.3% YoY) but GAAP EPS dropped to $0.30 from $0.88 (-66% YoY); Non-GAAP EPS $0.72 vs $1.06 (-32% YoY)
- Company guided Q2 2026 revenue ~$205M and non-GAAP EPS ~$0.90; 2026 revenue expected 'relatively flat' vs 2025
- Merger with Veeco Instruments expected to close H2 2026 was announced Oct 2025
- All 5 open-market sellers are non-C-suite (no CEO/CFO selling); ~$570M cash balance provides ample liquidity
Financial Impact
Total insider selling of ~$1.74M represents ~0.04% of the $4.5B market cap — a trivial amount that does not signal material insider bearishness
Risk Factors
- Flat 2026 revenue guidance with Power/Mature markets digestion could persist longer than guided
- Veeco merger integration execution risk and potential shareholder dissent
- Semiconductor equipment cycle cyclicality; tariff/trade policy risks on supply chain
Market Snapshot
Documents Analyzed
This report is based on 1 SEC document filed with EDGAR.
| Document | Accession Number |
|---|---|
| CLUSTER Data (Synthetic) | cluster-ACLS-1779224746392 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
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Jun 4, 2026
5d ago
|
Insider Cluster
| $155.28 awaiting T+5 | awaiting T+5 | — | $159.57 (+2.76%) |
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May 28, 2026
12d ago
|
Insider Cluster
| $150.41 $147.16 | ▼ −2.16% | ▲ +0.36% | $159.57 (+6.09%) |
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May 26, 2026
14d ago
|
Insider Cluster
| $157.91 $159.19 | ▲ +0.81% | ▲ +0.34% | $159.57 (+1.05%) |
|
May 22, 2026
18d ago
|
Insider Cluster
| $164.27 $158.78 | ▼ −3.34% | ▼ −4.55% | $159.57 (−2.86%) |
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May 21, 2026
19d ago
|
Insider Cluster
| $156.94 $150.42 | ▼ −4.15% | ▼ −5.81% | $159.57 (+1.68%) |
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May 15, 2026
25d ago
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Insider Cluster
| $149.56 $155.55 | ▲ +4.01% | ▲ +2.20% | $159.57 (+6.69%) |
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May 15, 2026
25d ago
|
Insider Cluster
| $146.24 $164.27 | ▲ +12.33% | ▲ +10.71% | $159.57 (+9.12%) |
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May 15, 2026
25d ago
|
Insider Cluster
| $146.24 $164.27 | ▲ +12.33% | ▲ +10.71% | $159.57 (+9.12%) |
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May 6, 2026
5w ago
|
Insider Cluster
| $171.00 $162.15 | ▲ +5.18% | ▲ +6.35% | $159.57 (+6.68%) |
US Market Status
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