Insider Cluster (3 insiders) ·Filed May 1, 2026

UCTT

Ultra Clean Holdings, Inc.
NEUTRAL
Impact 3/10
Horizondays Processed4mo ago
Insider cluster: 3 insiders, $2.0M total
Actionable Insight • Neutral

The insider sales are small relative to market cap and likely routine. Monitor for any upcoming earnings or news that might explain the clustering, but no immediate action warranted.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
UCTT ▲ +3.87% at T+60d
NEUTRAL call ✓ call won +3.87% · α vs SPY +0.80% · entry $74.61 → $77.50
Entry anchored
Apr 30, 03:59 PM ET
via exchange tick
T+1d
-2.01%
call -2.01% · α -1.67%
$73.11
settled 5mo ago
T+5d
+7.09%
call +7.09% · α +4.74%
$79.90
settled 5mo ago
T+20d
+13.52%
call +13.52% · α +8.24%
$84.70
settled 4mo ago
T+60d
+3.87%
call +3.87% · α +0.80%
$77.50
settled 2mo ago

Price Chart

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Executive Summary

Three Ultra Clean Holdings insiders sold a total of $2.01M in open-market transactions over a 7-day window, following a recent credit facility refinancing. The sales represent a trivial 0.054% of market cap, indicating routine portfolio diversification rather than material bearish signal.

Key Financial Metrics

Direction
selling
Total Value
$2.0M
Insiders
3

Key Facts

  • Three insiders sold shares: Director Clarence Granger ($932K), President Christopher Cook ($757K), and Chief Accounting Officer Brian Harding ($320K)
  • Total sales amount to $2.01M, or 0.054% of UCTT's $3.7B market cap
  • Sales occurred April 28–May 5, 2026, after UCTT's April 24 announcement of a $250M credit facility refinancing

Financial Impact

Insider selling of $2.01M is minimal relative to market cap; no material financial impact.

Risk Factors

  • Insider selling could signal lack of confidence if sales become more significant as a percentage of holdings
  • Recent credit facility amendment may indicate leverage concerns, though covenants appear manageable

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
Analyst Consensus
90% bullish (10 analysts)

Investment Themes

Semiconductors

Documents Analyzed

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

DocumentAccession Number
CLUSTER Data (Synthetic)cluster-UCTT-1778199213294
17 reports for UCTT
Performance horizon
100% Hit rate 3 of 3 directional calls best @ T+20▲ +21.83%Aug 14, 2026
Filters
Rows
Reports for UCTT — sortable, filterable
TypeNow
Aug 14, 2026
7w ago
8-K
BEARISH ★ 6/10
$84.93 $66.39▲ +21.83%▲ +19.84%$76.30 (+10.16%)
Aug 14, 2026
7w ago
424B5
BEARISH ★ 6/10
$84.93 $66.39▲ +21.83%▲ +19.84%$76.30 (+10.16%)
Aug 3, 2026
8w ago
Press Release
BULLISH ★ 8/10
$84.54 $65.11▼ −22.98%▼ −21.75%$76.30 (−9.75%)
Jun 9, 2026
16w ago
Insider Cluster
NEUTRAL ★ 2/10
$90.90 $106.19▲ +16.82%▲ +13.20%$76.30 (−16.06%)
Jun 9, 2026
16w ago
Insider Cluster
NEUTRAL ★ 2/10
$90.90 $106.19▲ +16.82%▲ +13.20%$76.30 (−16.06%)
Jun 8, 2026
16w ago
Insider Cluster
NEUTRAL ★ 2/10
$91.88 $90.78▼ −1.20%▼ −2.64%$76.30 (−16.96%)
Jun 4, 2026
17w ago
Insider Cluster
NEUTRAL ★ 2/10
$82.07 $105.53▲ +28.59%▲ +26.72%$76.30 (−7.03%)
May 27, 2026
18w ago
144
NEUTRAL ★ 2/10
$87.29 $118.82▲ +36.12%▲ +39.27%$76.30 (−12.59%)
May 19, 2026
19w ago
Insider Cluster
NEUTRAL ★ 3/10
$76.98 $111.61▲ +44.99%▲ +44.00%$76.30 (−0.88%)
May 1, 2026
21w ago
10-Q/A
NEUTRAL ★ 2/10
$73.11 $84.70▲ +15.85%▲ +10.21%$76.30 (+4.36%)
Showing 10 of 17

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Report published May 8, 2026