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UCTT · Ultra Clean Holdings, Inc.
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UCTT Ultra Clean (UCTT) Insider Trading, Ownership & Congress Trades

Semiconductors & Electronics · Semiconductors & related devices · CIK 0001275014
Quote by TradingView
SEC filings
Insider buyers, 180 days
0
House members buying, 1 year
0
STOCK Act, US House only, disclosed up to 45 days after the trade
Funds added, last quarter
243
13F, latest reported quarter

What the filings say about UCTT

Insiders, 180 days
-$11.3M net sold
8 sellers · 0% of sales under a 10b5-1 plan

Ultra Clean insider trades (Form 4)

Form 4 buys and sells (codes P and S). Grants, option exercises and 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 no insider buying. Source: SEC Form 4 filings, as of 2026-10-27.

Insider
Filed
Shares
Value
Since filing
HARDING BRIAN E
Chief Accounting Officer
SELL
2026-07-07 SECtraded 2026-07-02
440
$55.8K
-53.7%
Context
  • 27 earlier Form 4 trades (code P or S) here by this insider (1 buy, 26 sales), the last on Jun 4, 2026.
  • The trade is 1.2% of the 36,978 shares held after it.
  • 2 other insiders sold within 30 days.
  • 243 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Accounting Officer HARDING BRIAN E sold about $55.8K of UCTT on Jul 2, 2026; 2 other insiders sold within 30 days and 243 funds added in the latest 13F quarter.
HARDING BRIAN E
Chief Accounting Officer
SELL
2026-07-07 SECtraded 2026-07-02
2,194
$281.6K
-53.7%
Context
  • 27 earlier Form 4 trades (code P or S) here by this insider (1 buy, 26 sales), the last on Jun 4, 2026.
  • The trade is 6.3% of the 34,784 shares held after it.
  • 2 other insiders sold within 30 days.
  • 243 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Accounting Officer HARDING BRIAN E sold about $281.6K of UCTT on Jul 2, 2026; 2 other insiders sold within 30 days and 243 funds added in the latest 13F quarter.
HARDING BRIAN E
Chief Accounting Officer
SELL
2026-07-07 SECtraded 2026-07-02
1,203
$156.5K
-53.7%
Context
  • 27 earlier Form 4 trades (code P or S) here by this insider (1 buy, 26 sales), the last on Jun 4, 2026.
  • The trade is 3.6% of the 33,581 shares held after it.
  • 2 other insiders sold within 30 days.
  • 243 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: Chief Accounting Officer HARDING BRIAN E sold about $156.5K of UCTT on Jul 2, 2026; 2 other insiders sold within 30 days and 243 funds added in the latest 13F quarter.
Savage Sheri
CFO
SELL
2026-06-09 SECtraded 2026-06-04
120
$10.5K
-48.6%
Context
  • 14 earlier Form 4 trades (code P or S) here by this insider (14 sales), the last on Jul 12, 2024.
  • The trade is 0.2% of the 76,244 shares held after it.
  • 5 other insiders sold within 30 days.
  • 243 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CFO Savage Sheri sold about $10.5K of UCTT on Jun 4, 2026; 5 other insiders sold within 30 days and 243 funds added in the latest 13F quarter.
Savage Sheri
CFO
SELL
2026-06-09 SECtraded 2026-06-04
600
$52.4K
-48.6%
Context
  • 14 earlier Form 4 trades (code P or S) here by this insider (14 sales), the last on Jul 12, 2024.
  • The trade is 0.7% of the 80,297 shares held after it.
  • 5 other insiders sold within 30 days.
  • 243 funds added in the 13F quarter to Jun 30, 2026.
Insider activity: CFO Savage Sheri sold about $52.4K of UCTT on Jun 4, 2026; 5 other insiders sold within 30 days and 243 funds added in the latest 13F quarter.
149 transactions on record
Since filing: total return from the first close after the filing to the latest close, dividend-adjusted. Not a forecast.
Context lines are counts over the filings above and returns from our own price history, never a price level. Not investment advice.
See all insider buying · insider selling
Showing the latest few. to see 144 more transactions and use the screener and CSV export. We store only your email; there is no password.
Seven facts, ranked against the sector · Rank is not a forecast
Insiders
net -$11.3M over 180 days
below 63% of Semiconductors & Electronics
Congress
no House purchase disclosed in the last 12 months
Funds
243 funds bought in last quarter
more than 68% of Semiconductors & Electronics
Revenue
-2.1% year over year
below 73% of Semiconductors & Electronics
Margin
-8.8% net margin
below 63% of Semiconductors & Electronics
Buybacks
$40.0M repurchased, FY to 2026-06-26
more than 52% of Semiconductors & Electronics
Short interest
8.4% of the float short (float per yahoo 2026-10-26) · 4.4 days to cover · settled 2026-09-30
more than 69% of Semiconductors & Electronics
What changed in the last 30 days
Oct 27Insider selling stopped: no sales in 90 days after 84 in the prior 90
Why it matters
The absence is the signal: 84 sales in one 90-day window and none in the next is a change of behaviour, not a filing.

Watch UCTT

A free account keeps a watchlist and can send one email a day when insiders, funds or Congress file on the names in it. No password and no card.

The year, with the filings on it
Total return over 12 months. Each marker is a filing; hover or tap one for the detail.
+67.6%12M
-22%+122%+267%+412%2025-102025-122026-022026-042026-062026-082026-10 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 (planned sale)
Indexed to 100, dividend-adjusted, not a price chart. When a name files heavily, the largest trades are drawn first.

Who owns UCTT: institutional holders (13F)

13F holdings, latest reported quarter
BlackRock, Inc.
6,919,992 sh
$986.7M
Invesco Ltd.
3,124,839 sh
$445.6M
VANGUARD PORTFOLIO MANAGEMENT LLC
2,757,438 sh
$393.2M
Capital World Investors
2,580,132 sh
$367.9M
VANGUARD CAPITAL MANAGEMENT LLC
1,909,026 sh
$272.2M

Congress trades in UCTT

No Congress trades reported
No House member has disclosed a trade in this stock. See what Congress is buying.

Activist and 5% holders (13D/13G)

No 5%+ ownership filings
Nobody has filed for crossing 5%. That is a fact, not missing data.

UCTT planned insider sales (Form 144)

Notice of intent to sell, filed before any sale
BRIAN HARDING
Filed 2026-07-02
$494.0K

UCTT mutual fund holders (N-PORT)

Funds ranked by the share of their own portfolio in this stock (N-PORT).
Oberweis Micro-Cap Fund
$88.6M position · as of 2026-06-30
5.5%
WPG Partners Select Small Cap Value Fund
$11.0M position · as of 2026-05-31
4.7%
Guardian Small Cap Value Diversified VIP Fund
$5.5M position · as of 2026-06-30
3.4%
FULLERTHALER BEHAVIORAL MICRO-CAP EQUITY FUND
$1.0M position · as of 2026-06-30
3.4%
Invesco Semiconductors ETF
$72.4M position · as of 2026-07-31
3.0%
WPG Partners Small Cap Value Diversified Fund
$910.6K position · as of 2026-05-31
2.5%
SEC N-PORT, monthly, about 60 days late · funds ≥ $10M · % is the share of the fund's own portfolio
Executive pay vs shareholder return · Mr. Scholhamer
CEO pay, headline and as actually paid, against the company's return and its chosen peers' (DEF 14A).
FY
CEO total
Actually paid
Other execs, 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). Returns are cumulative from the start of the disclosure period. Green where the company beat its own peer group.
Live price
Daily candles from TradingView, under their licence. No filings marked.
Why this name is on the desk
The complete filing record, in one place.
The record shows a net $11.3M sold by insiders over 180 days, 243 funds added last quarter. Each figure is a federal filing, dated the day it went public.
Backtest this pattern Open the screener
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UCTT financials

Revenue growth
-2.1%
XBRL, annual
Net margin
-8.8%
Ratios from the company's XBRL filings, latest filings
Revenue, TTM
$2.2B
four quarters, 2025-06-28 to 2026-06-26
Net margin, TTM
-1.1%
net income over revenue, 2025-06-28 to 2026-06-26
Free cash flow, TTM
-$113.1M
operating cash flow minus capex, 2025-06-28 to 2026-06-26
Debt to equity
0.94x
long-term 2026-06-26 plus current 2026-06-26; equity 2026-06-26
Cash flow to debt
-0.11x
TTM operating cash flow over long-term 2026-06-26 plus current 2026-06-26
Return on equity
-3.4%
TTM net income over average of 2025-06-27 and 2026-06-26
Return on assets
-1.3%
TTM net income over average of 2025-06-27 and 2026-06-26
Return on invested capital
n/a
effective tax rate 132%, not meaningful
Return on capital employed
+4.3%
operating income (EBIT proxy) over average of 2025-06-27 and 2026-06-26 minus current liabilities
P/E, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Enterprise value
$2.5B
market value at close 2026-10-26 on 2026-07-29 shares, plus long-term 2026-06-26 plus current 2026-06-26, minus cash 2026-06-26
FCF yield
-5.3%
TTM free cash flow over market value at close 2026-10-26
PEG, trailing
n/a
trailing loss, a multiple of a loss is not meaningful
Price as of 2026-10-26. Hover or tap a tile for its yearly and quarterly history.
Method
TTM is four consecutive fiscal quarters; Q4 is the year minus nine months when not filed. Returns use the average of opening and closing balances. EBIT is approximated by operating income. PEG uses trailing EPS growth.
Fundamentals
Annual figures from XBRL filings. Pick a past date to see them as known then.
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$467.0M$499.7Mn/a$485.3M
Buybacks$3.4M$0$29.4M$12.1M
SEC XBRL, fiscal years, as known on 2026-10-27

UCTT Stock Sonar score 6/7 axes

Find similar shapesCompare

UCTT ranks highest on institutional and government (68th percentile) and profitability (46th), and lowest on insider conviction (18th), among Semiconductors & Electronics peers.

ProfitHealthGrowthInsidersInstitutionsRisk
Profitability
46
Inputs
  • Return on equity-3.4% · 40 pct, sector of 154
  • Return on assets-1.3% · 44 pct, sector of 171
  • Return on invested capitaleffective tax rate 132%, not meaningful
  • Return on capital employed+4.3% · 53 pct, sector of 155
Financial health
28
Inputs
  • Debt to equity0.94x · 19 pct, sector of 152
  • Cash flow to debt-0.11x · 36 pct, sector of 136
Growth
27
Inputs
  • Revenue growth, YoY-2.1% · 27 pct, sector of 194
  • Backlog growth, YoYno backlog line filed, or no year-earlier backlog
Insider conviction
18
Inputs
  • Net Form 4 buying (codes P and S), 180d-$11.3M · 36 pct, sector of 147
  • Insider buyers, 180d0 · 0 pct, sector of 151
Institutional and government
68
Inputs
  • Funds adding, latest quarter243 · 68 pct, sector of 184
  • Congress net buyers, 365dno Congress trades in 365 days
  • Federal contracts, 180dno federal contracts in 180 days
  • Lobbying spend, 4 quartersno lobbying filings in the last four quarters
Risk and compliance
42
Inputs
  • Short interest, % of float+8.4% · 40 pct, sector of 221
  • Recalls per $1B revenue, 3ynot measured for this sector, almost no peer has an event
  • EPA cases per $1B revenue, 5ynot measured for this sector, almost no peer has an event
  • New text in Risk Factors, latest 10-K+12.9% · 44 pct, sector of 152
1 not measured: US patents
  • US patents needs 1 of 2 inputs, 0 present: patent data not loaded yet

6 of 7 axes scored. Each is a percentile against sector peers (all companies when the sector is thin); higher is better. An unscored axis is unmeasured, not low. How it is scored

UCTT filings, in plain words

Are Ultra Clean insiders buying or selling UCTT?

In the 180 days to 2026-10-27, Ultra Clean insiders were net sellers, a net $11.3M across purchases and sales reported on Form 4, by 8 sellers.

Read the full summary

In the 180 days to 2026-10-27, Ultra Clean insiders were net sellers of UCTT, a net $11.3M across purchases and sales reported on Form 4 by 8 sellers. None of the 85 insider sales was flagged as made under a Rule 10b5-1 plan. Each figure is counted from SEC and House filings as of 2026-10-27, dated the day the filing was made public.

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