ACLS AXCELIS TECHNOLOGIES INC

NEUTRAL Impact: 3/10 Insider Cluster (12 insiders)
Horizon weeks Filed May 15, 2026 Processed 25d 15h ago
Insider cluster: 5 insiders, $1.7M total
Latest settled — T+5d
ACLS ▲ +12.33% at T+5d
NEUTRAL call ✓ call won +12.33% · α vs SPY +10.71% · entry $146.24 → $164.27
Next anchor: T+20d tomorrow
Currently $180.12 · +23.17% from $146.24 entry
Entry anchored
May 15, 03:59 PM ET
via Databento tick
T+1d
-2.06%
call -2.06% · α -1.41%
$143.23
settled 26d ago
T+5d
+12.33%
call +12.33% · α +10.71%
$164.27
settled 22d ago
T+20d
call — · α —
tomorrow
T+60d
call — · α —
in 8w

Price Chart

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Executive Summary

Five Axcelis insiders sold a total of $1.74M in open-market sales over a 7-day window ending May 15, 2026, following the company's Q1 2026 earnings release on May 7. The earnings showed a sharp YoY decline: revenue grew only 3.3% to $199M, while GAAP EPS fell 66% to $0.30 and non-GAAP EPS fell 32% to $0.72, with gross margin contracting from 46.1% to 40.5%. The insider sales represent 0.036% of ACLS's $4.8B market cap, a trivial amount that does not signal material bearish conviction, especially given the cluster includes a director and multiple EVPs selling around the same time—likely routine post-earnings window diversification.

Key Financial Metrics

Direction
selling
Total Value
$1.7M
Insiders
12

Actionable Insight

The insider sales are too small relative to market cap to drive price action. The earnings report is the dominant catalyst: revenue slightly above expectations but margins compressed and EPS sharply lower. Monitor Q2 results for margin recovery and the Veeco merger timeline for potential upside. The flat 2026 revenue outlook suggests limited near-term catalysts.

Key Facts

  • 5 insiders sold $1.74M total in open-market sales (0.036% of $4.8B market cap)
  • Sales occurred May 12-14, 2026, within 7 days of Q1 2026 earnings release (May 7)
  • Q1 2026 revenue $199M (+3.3% YoY), GAAP EPS $0.30 (-66% YoY), non-GAAP EPS $0.72 (-32% YoY)
  • GAAP gross margin fell to 40.5% from 46.1% YoY; operating margin fell to 4.0% from 15.1%
  • Q2 2026 guidance: revenue ~$205M, GAAP EPS ~$0.57, non-GAAP EPS ~$0.90
  • 7 directors received non-cash stock grants of 1,440 shares each on May 15 ($0 value, no economic signal)
  • Company expects 2026 revenue flat YoY; merger with Veeco expected to close H2 2026

Financial Impact

Insider sales of $1.74M represent 0.036% of market cap — trivial. Earnings decline of 66% GAAP EPS and 32% non-GAAP EPS YoY is material but already priced into the stock.

revenueepsgross marginoperating margin

Risk Factors

  • Continued margin compression from Power/General Mature market digestion
  • Veeco merger integration risks and potential regulatory hurdles
  • Flat 2026 revenue guidance limits upside without a catalyst
  • Insider sales pattern could accelerate if earnings trends worsen

Market Snapshot

Exchange
Nasdaq
Sector
Special Industry Machinery, NEC
Analyst Consensus
58% bullish (12 analysts)

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-ACLS-1779138335480
9 reports for ACLS
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for ACLS — sortable, filterable
Type Now
Jun 4, 2026
8d ago
Insider Cluster
NEUTRAL ★ 3/10
$155.28 awaiting T+5awaiting T+5$180.12 (+16.00%)
May 28, 2026
15d ago
Insider Cluster
NEUTRAL ★ 3/10
$150.41 $147.16▼ −2.16%▲ +0.36%$180.12 (+19.75%)
May 26, 2026
17d ago
Insider Cluster
NEUTRAL ★ 3/10
$157.91 $159.19▲ +0.81%▲ +0.34%$180.12 (+14.06%)
May 22, 2026
21d ago
Insider Cluster
NEUTRAL ★ 2/10
$164.27 $158.78▼ −3.34%▼ −4.55%$180.12 (+9.65%)
May 21, 2026
22d ago
Insider Cluster
NEUTRAL ★ 3/10
$156.94 $150.42▼ −4.15%▼ −5.81%$180.12 (+14.77%)
May 15, 2026
28d ago
Insider Cluster
NEUTRAL ★ 4/10
$149.56 $155.55▲ +4.01%▲ +2.20%$180.12 (+20.43%)
May 15, 2026
28d ago
Insider Cluster
NEUTRAL ★ 3/10
$146.24 $164.27▲ +12.33%▲ +10.71%$180.12 (+23.17%)
May 15, 2026
28d ago
Insider Cluster
NEUTRAL ★ 2/10
$146.24 $164.27▲ +12.33%▲ +10.71%$180.12 (+23.17%)
May 6, 2026
5w ago
Insider Cluster
BEARISH ★ 6/10
$171.00 $162.15▲ +5.18%▲ +6.35%$180.12 (−5.33%)
Showing 9 of 9

US Market Status

Market Closed — Opens Mon (49h 9m)

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