424B5 ·Filed Aug 14, 2026

UCTT

Ultra Clean Holdings, Inc.
BEARISH
Impact 6/10
Horizonweeks Processed1mo ago SEC0000950103-26-012378
Notable filing: 424B5
Actionable Insight ▼ Bearish

Monitor daily trading volumes and any 8-K filings reporting actual ATM sales. If the company sells a significant portion quickly, it could pressure the stock. Conversely, if sales are slow or proceeds are used for accretive M&A, the overhang may diminish. The stock's strong recent performance (up ~23% in prior month) may provide a favorable window for the company to execute sales.

DirectionBearish
Confidencehigh
Horizonweeks
Latest settled — T+20d ⚠ clustered
UCTT ▼ -21.83% at T+20d
SHORT call ✓ call won +21.83% · α vs SPY +19.84% · entry $84.93 → $66.39
Next anchor: T+60d in 5w
Latest observation: T+31 -21.32% FF3 residual α
Entry anchored
Aug 14, 2026
via day open
T+1d
+3.47%
call -3.47% · α -3.95%
$87.88
settled 7w ago
T+5d
-10.01%
call +10.01% · α +8.64%
$76.43
settled 6w ago
T+20d
-21.83%
call +21.83% · α +19.84%
$66.39
settled 18d ago
T+60d
—
call — · α —
—
in 5w

Price Chart

Loading chart...

Executive Summary

Ultra Clean Holdings filed a 424B5 prospectus supplement to establish an at-the-market (ATM) equity offering of up to $400 million in common stock. The company may sell shares from time to time through UBS, Barclays, Craig-Hallum, and Oppenheimer at prevailing market prices, with proceeds earmarked for general corporate purposes including working capital, product development, and potential acquisitions. The offering represents potential dilution of approximately 9.5% of current market cap and introduces ongoing overhang risk.

Key Facts

  • Maximum aggregate offering price of $400,000,000 in common stock via ATM program.
  • Sales agents include UBS, Barclays, Craig-Hallum, and Oppenheimer; commission up to 3.0% of gross sales price.
  • Proceeds for general corporate purposes; no specific acquisition plans disclosed.
  • Stock closed at $92.91 on August 13, 2026; market cap ~$4.2B.
  • Short interest of 3.3M shares (~7.4% of estimated shares outstanding) as of July 31, 2026.

Financial Impact

Potential dilution of up to ~4.3M shares at current price (~9.5% of shares outstanding), with net proceeds reduced by ~$12M in commissions at maximum.

dilutionshare countmarket cap

Risk Factors

  • Dilution from up to $400M in new shares could pressure EPS and stock price.
  • At-the-market sales at prevailing prices create uncertainty and potential downward drift.
  • No specific use of proceeds; management discretion may not align with shareholder interests.

Market Snapshot

Exchange
Nasdaq
Sector
Semiconductors & Related Devices
Analyst Consensus
91% bullish (11 analysts)

Investment Themes

Semiconductors

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
424B5 Filing (Primary)0000950103-26-012378
Document: dp251730_exfilingfees.htm0000950103-26-012378
Document: 0000950103-26-012378-index-headers.html0000950103-26-012378
Document: 0000950103-26-012378-index.html0000950103-26-012378
Document: 0000950103-26-012378.txt0000950103-26-012378
17 reports for UCTT
Performance horizon

Track record builds as more directional reports settle.

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

US Market Status

Market Open — Closes in 3h 56m

Subscribe to SecBot

Get Real-Time SEC Filing Intelligence

Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.

Try SecBot Free Coming soon: SecBot Pro with alerts, watchlists, and API access