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UCTT · Ultra Clean Holdings, Inc.
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TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475TEAM-0.32% 13F +439META+3.01% 13F +2,694RCG-2.04% CLUSTERUTHR-4.03% 13F +425CRWV+4.49% 13F +693CRM+2.92% 13F +1,018CVNA-0.98% 13F +794TPL-0.71% 13F +444NET+4.32% 13F +710MSTR+17.56% 13F +526DELL+4.91% 13F +1,203CRWD+5.68% 13F +1,382ANET+1.22% 13F +1,323COIN+10.14% 13F +475
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UCTT

Ultra Clean Holdings, Inc.
SEMICONDUCTORS & ELECTRONICS · SEMICONDUCTORS & RELATED DEVICES · CIK 0001275014
FORM 144 · 1☆ WATCH
INSIDER NET · 180D
-$11.3M
open-market buys minus sells, Form 4 codes P and S
INSIDER BUYERS · 180D
0
CONGRESS BUYERS · 1Y
0
FUNDS ADDED · QTR
243
13F, latest reported quarter
REVENUE GROWTH
-2.1%
XBRL, annual
NET MARGIN
-8.8%
SEVEN FACTS, RANKED AGAINST THE SECTOR · RANK IS NOT A FORECAST
INSIDERS
net -$11.3M over 180 days
-$494.0K over 90 days
below 64% of Semiconductors & Electronics
CONGRESS
no member of Congress has reported trading it
FUNDS
243 funds added or opened last quarter
more than 70% of Semiconductors & Electronics
REVENUE
-2.1% year over year
below 70% of Semiconductors & Electronics
MARGIN
-8.8% net margin
below 60% of Semiconductors & Electronics
BUYBACKS
$40.0M repurchased, FY to 2026-06-26
more than 53% of Semiconductors & Electronics
SHORT
no short interest reported
THE SITUATION · EVERY LINE IS ONE RULE OVER ONE DATASET
Insiders are net sellers: -$11.3M across 8 people in 180 days.
243 funds added or opened positions in the latest 13F quarter, of 438 holders.
The year, with the filings on it
Total return indexed to 100 over the last 12 months · every marker is a federal filing, placed at its date — hover any marker for the detail
TOTAL 12M RETURN +178.1%
+178.1%12M
-9%+161%+330%+500%2025-092025-102025-122026-032026-052026-072026-09 2026-05-01 · GRANGER CLARENCE L sold $931.8K2026-04-30 · Cook Christopher S sold $896.4K2026-05-01 · GRANGER CLARENCE L sold $852.8K2026-05-04 · Cook Christopher S sold $757.2K2026-05-27 · LIGGETT EMILY M sold $755.7K2026-05-05 · Palfrey Jamie J. sold $692.9K2025-12-03 · IBNALE DAVID T sold $625.8K2026-05-14 · McKibben Jeffrey L. sold $365.8K2026-05-05 · HARDING BRIAN E sold $320.0K2026-05-01 · GRANGER CLARENCE L sold $282.8K2026-07-02 · HARDING BRIAN E sold $281.6K2026-06-04 · Savage Sheri sold $272.1K2026-06-04 · Savage Sheri sold $262.7K2026-05-08 · McKibben Jeffrey L. sold $216.2K2026-05-01 · GRANGER CLARENCE L sold $191.4K2026-05-08 · Cho Paul Yoonku sold $173.8K2026-06-04 · HARDING BRIAN E sold $171.5K2026-06-04 · Savage Sheri sold $171.0K2026-06-04 · HARDING BRIAN E sold $170.3K2026-07-02 · HARDING BRIAN E sold $156.5K2026-06-04 · Savage Sheri sold $155.2K2026-06-04 · Savage Sheri sold $137.5K2026-06-04 · Savage Sheri sold $127.3K2026-06-04 · HARDING BRIAN E sold $126.3K2026-06-04 · Savage Sheri sold $126.0K2026-06-04 · HARDING BRIAN E sold $115.9K2026-06-04 · HARDING BRIAN E sold $106.1K2026-06-04 · HARDING BRIAN E sold $103.2K2026-06-04 · Savage Sheri sold $94.9K2026-06-04 · HARDING BRIAN E sold $94.3K2026-05-04 · Cook Christopher S sold $91.8K2026-06-04 · HARDING BRIAN E sold $89.3K2026-06-04 · HARDING BRIAN E sold $88.5K2026-06-04 · Savage Sheri sold $88.3K2026-06-04 · Savage Sheri sold $87.2K2026-06-04 · Savage Sheri sold $84.6K2026-06-02 · Cho Paul Yoonku sold $84.4K2026-06-04 · Savage Sheri sold $83.4K2026-06-04 · Savage Sheri sold $80.5K2026-06-04 · HARDING BRIAN E sold $79.2K2026-06-04 · Savage Sheri sold $76.6K2026-06-04 · Savage Sheri sold $75.3K2026-07-02 · BRIAN HARDING filed to sell $494.0K
INSIDER SELLFORM 144
INDEXED RETURN, DIVIDEND-ADJUSTED — NOT A PRICE CHART · LARGE TRADES DRAWN FIRST WHEN A NAME FILES HEAVILY
Live price
Daily candles from TradingView, on their licence — no filings are marked on this one
WHY THIS NAME IS ON THE DESK
Insiders have filed to sell — before selling.
The record shows a net $11.3M sold by insiders over 180 days, 243 funds added last quarter, $494.0K in planned Form 144 sales. Every figure is a federal filing, dated the day it became public.
Backtest this pattern Open the screener
Same sector, ranked by filing activity
Sector from the SEC's own SIC classification
NVDACRDOVICRMPWRVPLMALABPIMTSIMUAIPAVGOMSI
Insider transactions
Form 4 purchases and sales (codes P and S) — grants, option exercises and preferred conversions excluded

Over the last 180 days, Ultra Clean Holdings, Inc. insiders sold a net $11.3M of stock across 149 Form 4 purchases and sales, with 0 insider(s) buying. Source: SEC Form 4 filings, as of 2026-09-05.

INSIDER
FILED
SHARES
VALUE
HARDING BRIAN E
Chief Accounting Officer
SELL
2026-07-02
440.0
$55.8K
HARDING BRIAN E
Chief Accounting Officer
SELL
2026-07-02
2,194.0
$281.6K
HARDING BRIAN E
Chief Accounting Officer
SELL
2026-07-02
1,203.0
$156.5K
Savage Sheri
CFO
SELL
2026-06-04
120.0
$10.5K
Savage Sheri
CFO
SELL
2026-06-04
600.0
$52.4K
149 TRANSACTIONS ON RECORD

Showing the most recent few. Create a free account to see 144 more transactions on record, the cross-source screener and CSV export. We store only your email address, and there is no password to create.

Institutional holders
13F · holdings as of the latest quarter funds have reported
BlackRock, Inc.
6,919,992.0 sh
$986.7M
Invesco Ltd.
3,124,839.0 sh
$445.6M
VANGUARD PORTFOLIO MANAGEMENT LLC
2,757,438.0 sh
$393.2M
Capital World Investors
2,580,132.0 sh
$367.9M
VANGUARD CAPITAL MANAGEMENT LLC
1,909,026.0 sh
$272.2M
SCHEDULE 13D/G
No 5%+ ownership filings
Nobody has crossed 5% with a filing obligation. Absence is a fact here, not missing data.
Planned sales · Form 144
Filed before the sale — intent, not a trade
BRIAN HARDING
FILED 2026-07-02
$494.0K
Fund concentration
N-PORT · funds ranked by how much of THEMSELVES they put in this stock — the conviction number 13F cannot show
Oberweis Micro-Cap Fund
$38.1M POSITION · AS OF 2026-03-31
3.6%
WPG Partners Select Small Cap Value Fund
$6.8M POSITION · AS OF 2026-02-28
3.3%
FULLERTHALER BEHAVIORAL MICRO-CAP EQUITY FUND
$620.2K POSITION · AS OF 2026-03-31
2.8%
CRM SMALL CAP VALUE FUND
$1.7M POSITION · AS OF 2026-04-30
2.3%
First Eagle US Smid Cap Opportunity Fund
$1.6M POSITION · AS OF 2026-04-30
2.3%
Motley Fool Small-Cap Growth ETF
$1.5M POSITION · AS OF 2026-02-28
2.2%
SEC N-PORT, MONTHLY WITH A ~60-DAY PUBLIC LAG · FUNDS ≥ $10M · % = SHARE OF THE FUND'S OWN BOOK
Executive pay vs shareholder return · Mr. Scholhamer
DEF 14A pay-versus-performance disclosure · both the headline pay and the SEC's mark-to-market figure, beside the return the company delivered and the return of the peer group it chose itself
FY
CEO TOTAL
ACTUALLY PAID
OTHER NEOs AVG
TSR
PEER TSR
2023
$5.0M
$4.3M
$1.8M
+46%
+177%
2022
$4.2M
-$505.8K
$1.9M
+42%
+23%
2021
$5.2M
$11.2M
$1.8M
+145%
+119%
2020
$3.4M
$5.7M
$1.6M
+35%
+45%
TAGGED BY THE COMPANY UNDER SEC ITEM 402(v) · RETURN IS CUMULATIVE FROM THE START OF THE DISCLOSURE PERIOD · GREEN WHERE THE COMPANY BEAT ITS OWN PEER GROUP
Fundamentals
Annual figures from XBRL filings · pick a past date to see them exactly as the market knew them then — restatements and all
2025-122024-122023-122022-12
REVENUE$2.1B$2.1B$1.7B$2.4B
GROSS PROFIT$322.9M$356.3M$277.3M$465.0M
OPERATING INCOME$-107.4M$91.2M$35.2M$120.4M
NET INCOME$-181.2M$23.7M$-31.1M$40.4M
EPS (DILUTED)-4.000.52-0.700.88
OPERATING CASH FLOW$65.6M$65.0M$135.9M$47.2M
CASH$311.8M$313.9M$307.0M$358.8M
LONG-TERM DEBT$481.4M$499.7M—$485.3M
BUYBACKS$3.4M$0$29.4M$12.1M
SEC XBRL · FISCAL-YEAR PERIODS · AS KNOWN ON 2026-09-05 · NOBODY ELSE SHOWS FUNDAMENTALS AS OF A PAST DATE
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Public filings, honestly analyzed. Official US government sources in one desk — every figure carries the date it was filed, and the methodology is published, backtest included.

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© 2026 WAVEMAN · SOURCE: SEC EDGAR & OFFICIAL GOVERNMENT DATA · NOT INVESTMENT ADVICE · CHART BY TRADINGVIEW · UPDATED 2026-09-05 ALL SYSTEMS LIVE FOR MACHINES →