Insider Cluster (3 insiders) ·Filed Jun 4, 2026

ACLS

AXCELIS TECHNOLOGIES INC
NEUTRAL
Impact 3/10
Horizondays Processed4mo ago
Insider cluster: 3 insiders, $0.7M total
Actionable Insight • Neutral

Insider sales are trivial in size and lack C-suite participation, indicating routine portfolio diversification rather than a bearish signal. Monitor upcoming earnings for any fundamental shift, but this cluster alone does not warrant action.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d
ACLS ▼ -21.63% at T+60d
NEUTRAL call ✗ call lost -21.63% · α vs SPY -25.63% · entry $147.16 → $115.33
Entry anchored
Jun 4, 2026
via day open
T+1d
+5.16%
call +5.16% · α +4.94%
$154.76
settled 4mo ago
T+5d
+22.40%
call +22.40% · α +21.83%
$180.12
settled 4mo ago
T+20d
-4.89%
call -4.89% · α -6.75%
$139.97
settled 3mo ago
T+60d
-21.63%
call -21.63% · α -25.63%
$115.33
settled 5w ago

Price Chart

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Executive Summary

Three insiders at Axcelis Technologies sold a total of $749K in open-market sales over a 7-day window. The sales are small relative to the $4.9B market cap (0.015%) and include a VP, an EVP, and a director, with no C-suite participation. The cluster is routine in size and composition, offering no material signal.

Key Financial Metrics

Direction
selling
Total Value
$749.0K
Insiders
3

Key Facts

  • Three insiders sold a total of $749K in open-market sales from May 27 to June 3, 2026.
  • Sales represent approximately 0.015% of Axcelis' $4.9B market cap.
  • No CEO or CFO participated; sellers were a director, an EVP, and a VP.
  • No insider purchases occurred in the cluster window.

Financial Impact

Total insider sales of $749K, or 0.015% of market cap — immaterial.

insider holdings

Risk Factors

  • Insider sales could increase if the stock continues to rise, but current levels are not alarming.
  • No fundamental red flags from insider activity; risk is low.

Market Snapshot

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

Investment Themes

Industrials & Manufacturing

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-ACLS-1780607230073
11 reports for ACLS
Performance horizon
67% Hit rate 2 of 3 directional calls best @ T+60▲ +23.75%May 6, 2026
Filters
Rows
Reports for ACLS — sortable, filterable
TypeNow
Aug 9, 2026
7w ago
Institutional Cluster
BULLISH ★ 5/10
$132.65 $119.57▼ −9.86%▼ −8.95%$147.77 (+11.40%)
Jun 15, 2026
15w ago
Institutional Cluster
BULLISH ★ 6/10
$191.60 $136.56▼ −28.73%▼ −27.98%$147.77 (−22.88%)
Jun 4, 2026
17w ago
Insider Cluster
NEUTRAL ★ 3/10
$147.16 $139.97▼ −4.89%▼ −6.75%$147.77 (+0.41%)
May 28, 2026
18w ago
Insider Cluster
NEUTRAL ★ 3/10
$150.41 $176.13▲ +17.10%▲ +18.89%$147.77 (−1.76%)
May 26, 2026
18w ago
Insider Cluster
NEUTRAL ★ 3/10
$157.91 $180.70▲ +14.43%▲ +16.33%$147.77 (−6.42%)
May 22, 2026
19w ago
Insider Cluster
NEUTRAL ★ 2/10
$164.27 $167.14▲ +1.75%▲ +3.70%$147.77 (−10.04%)
May 21, 2026
19w ago
Insider Cluster
NEUTRAL ★ 3/10
$156.94 $172.13▲ +9.68%▲ +11.09%$147.77 (−5.84%)
May 15, 2026
20w ago
Insider Cluster
NEUTRAL ★ 4/10
$149.56 $187.53▲ +25.39%▲ +24.65%$147.77 (−1.20%)
May 15, 2026
20w ago
Insider Cluster
NEUTRAL ★ 3/10
$146.24 $176.85▲ +20.93%▲ +19.35%$147.77 (+1.05%)
May 15, 2026
20w ago
Insider Cluster
NEUTRAL ★ 2/10
$146.24 $176.85▲ +20.93%▲ +19.35%$147.77 (+1.05%)
Showing 10 of 11

US Market Status

Market Closed — Opens Mon (64h 11m)

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Report published Jun 4, 2026