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Ultra Clean Holdings Inc (UCTT) Institutional Ownership & Insider Trading History

Top UCTT institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.

Section freshness

Price Jun 23, 4:00 PM EDT · Statements Mar 30, 8:00 PM EDT

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Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.

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Ownership read

UCTT insider sentiment: Net selling.

BLACKROCK is the largest institutional holder. 83 sales and 0 purchases appear in the recent Form 4 filings. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.

Insider flow

UCTT

Purchases
Sales4.82M

Directional bars ignore awards, gifts, conversions, and tax withholding rows.

Top holder

6.83M

BLACKROCK

Insider stance

Net selling

$417.50M sold / — bought

Latest filing

Jun 4, 2026

Most recent holder or insider filing date

Filings shown

240

120 holder / 120 insider

Holder rows
120
Market data source
Latest filing
Jun 4, 2026
Most recent holder or insider filing date
Increased / initiated
88
29 decreased
Insider rows
120
Market data source

Top 120 institutional holders

Ultra Clean Holdings Inc (UCTT) institutional ownership

Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.

BLACKROCK

Rank #1

15.3%

Shares
6.83M
Change
+113.17K
Change %
+1.68%
Filing
Mar 31, 2026

Increased

VANGUARD GROUP INC

Rank #2

11.1%

Shares
4.99M
Change
+293.05K
Change %
+6.24%
Filing
Dec 31, 2025

Increased

VANGUARD PORTFOLIO MANAGEMENT LLC

Rank #3

6.26%

Shares
2.80M
Change
+2.80M
Change %
Filing
Mar 31, 2026

Initiated

VANGUARD CAPITAL MANAGEMENT LLC

Rank #4

4.28%

Shares
1.92M
Change
+1.92M
Change %
Filing
Mar 31, 2026

Initiated

STATE STREET CORP

Rank #5

4.10%

Shares
1.84M
Change
-14.66K
Change %
-79.00%
Filing
Mar 31, 2026

Decreased

FRONTIER CAPITAL MANAGEMENT CO LLC

Rank #6

3.99%

Shares
1.79M
Change
-1.72M
Change %
-49.07%
Filing
Mar 31, 2026

Decreased

INVESCO LTD.

Rank #7

3.71%

Shares
1.66M
Change
-1.74M
Change %
-51.18%
Filing
Mar 31, 2026

Decreased

BOSTON PARTNERS

Rank #8

3.28%

Shares
1.47M
Change
+1.47M
Change %
Filing
Mar 31, 2026

Initiated

D. E. SHAW & CO.

Rank #9

2.64%

Shares
1.18M
Change
+231.10K
Change %
+24.27%
Filing
Mar 31, 2026

Increased

GEODE CAPITAL MANAGEMENT

Rank #10

2.55%

Shares
1.14M
Change
+51.35K
Change %
+4.71%
Filing
Mar 31, 2026

Increased

DRIEHAUS CAPITAL MANAGEMENT LLC

Rank #11

2.37%

Shares
1.06M
Change
+608.75K
Change %
+134.19%
Filing
Mar 31, 2026

Increased

DIMENSIONAL FUND ADVISORS LP

Rank #12

2.26%

Shares
1.01M
Change
-513.08K
Change %
-33.65%
Filing
Mar 31, 2026

Decreased

MORGAN STANLEY

Rank #13

2.04%

Shares
911.70K
Change
+17.28K
Change %
+1.93%
Filing
Mar 31, 2026

Increased

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Rank #14

1.88%

Shares
840.46K
Change
+19.37K
Change %
+2.36%
Filing
Mar 31, 2026

Increased

ROYCE & ASSOCIATES LP

Rank #15

1.70%

Shares
759.50K
Change
-339.20K
Change %
-30.87%
Filing
Mar 31, 2026

Decreased

MILLENNIUM MANAGEMENT LLC

Rank #16

1.53%

Shares
685.44K
Change
+125.48K
Change %
+22.41%
Filing
Mar 31, 2026

Increased

OBERWEIS ASSET MANAGEMENT INC

Rank #17

1.43%

Shares
640.48K
Change
+11.98K
Change %
+1.91%
Filing
Mar 31, 2026

Increased

PARADIGM CAPITAL MANAGEMENT INC

Rank #18

1.36%

Shares
608.20K
Change
Change %
0.00%
Filing
Mar 31, 2026

Unchanged

COOPER CREEK PARTNERS MANAGEMENT LLC

Rank #19

1.31%

Shares
586.77K
Change
+586.77K
Change %
Filing
Mar 31, 2026

Initiated

TWO SIGMA INVESTMENTS

Rank #20

1.30%

Shares
581.13K
Change
+581.13K
Change %
Filing
Mar 31, 2026

Initiated

Showing 20 of 120 matching institutional rows.Load more institutions

Recent insider transactions

Ultra Clean Holdings Inc (UCTT) Form 4 filings

Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
66.48K
% company
0.15%
Price
$91.75
Value
$6,099,173

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
66.74K
% company
0.15%
Price
$90.99
Value
$6,072,309

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
68.44K
% company
0.15%
Price
$89.95
Value
$6,156,358

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
69.29K
% company
0.15%
Price
$89.10
Value
$6,174,095

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
70.72K
% company
0.16%
Price
$88.16
Value
$6,234,940

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
72.15K
% company
0.16%
Price
$87.07
Value
$6,282,275

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
72.64K
% company
0.16%
Price
$91.68
Value
$6,659,635

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
72.81K
% company
0.16%
Price
$90.86
Value
$6,615,607

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
73.57K
% company
0.16%
Price
$89.73
Value
$6,601,795

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
74.02K
% company
0.17%
Price
$88.75
Value
$6,569,275

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
74.93K
% company
0.17%
Price
$87.72
Value
$6,572,596

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
75.32K
% company
0.17%
Price
$85.54
Value
$6,442,787

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
75.42K
% company
0.17%
Price
$91.63
Value
$6,910,276

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
75.51K
% company
0.17%
Price
$90.76
Value
$6,852,925

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
75.77K
% company
0.17%
Price
$89.59
Value
$6,787,876

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
75.92K
% company
0.17%
Price
$88.80
Value
$6,741,962

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
76.24K
% company
0.17%
Price
$87.52
Value
$6,672,875

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
76.36K
% company
0.17%
Price
$86.04
Value
$6,570,359

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
76.40K
% company
0.17%
Price
$91.78
Value
$7,012,359

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
76.42K
% company
0.17%
Price
$90.98
Value
$6,953,056

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
76.72K
% company
0.17%
Price
$89.91
Value
$6,898,345

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
76.88K
% company
0.17%
Price
$88.85
Value
$6,830,344

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
77.23K
% company
0.17%
Price
$87.43
Value
$6,752,656

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
77.36K
% company
0.17%
Price
$86.00
Value
$6,652,530

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
77.39K
% company
0.17%
Price
$91.70
Value
$7,097,122

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
77.57K
% company
0.17%
Price
$90.89
Value
$7,050,065

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
78.54K
% company
0.18%
Price
$89.78
Value
$7,051,231

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
79.23K
% company
0.18%
Price
$88.69
Value
$7,026,643

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
80.30K
% company
0.18%
Price
$87.37
Value
$7,015,549

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
50.71K
% company
0.11%
Price
$91.63
Value
$4,646,557

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
51.49K
% company
0.11%
Price
$90.79
Value
$4,675,140

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
54.39K
% company
0.12%
Price
$89.70
Value
$4,878,604

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
56.29K
% company
0.13%
Price
$88.69
Value
$4,992,715

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
59.36K
% company
0.13%
Price
$87.59
Value
$5,199,518

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
60.93K
% company
0.14%
Price
$86.18
Value
$5,251,120

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
61.13K
% company
0.14%
Price
$91.76
Value
$5,609,472

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
61.15K
% company
0.14%
Price
$91.03
Value
$5,566,485

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
61.51K
% company
0.14%
Price
$89.97
Value
$5,533,875

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
61.77K
% company
0.14%
Price
$88.73
Value
$5,480,586

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
62.19K
% company
0.14%
Price
$87.52
Value
$5,442,519

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
62.35K
% company
0.14%
Price
$86.00
Value
$5,361,756

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
62.40K
% company
0.14%
Price
$91.29
Value
$5,696,131

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
63.22K
% company
0.14%
Price
$90.40
Value
$5,715,178

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
64.16K
% company
0.14%
Price
$89.22
Value
$5,724,088

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
65.09K
% company
0.15%
Price
$88.29
Value
$5,746,973

Filed Jun 4, 2026

Savage Sheri

SaleOpen-market or direct sale reported on Form 4.
Shares
66.08K
% company
0.15%
Price
$87.24
Value
$5,764,819

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
28.05K
% company
0.06%
Price
$91.38
Value
$2,563,666

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
28.72K
% company
0.06%
Price
$90.55
Value
$2,600,415

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
29.70K
% company
0.07%
Price
$89.33
Value
$2,653,458

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
30.76K
% company
0.07%
Price
$88.36
Value
$2,717,954

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
31.76K
% company
0.07%
Price
$87.22
Value
$2,770,282

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
32.26K
% company
0.07%
Price
$91.63
Value
$2,955,801

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
32.38K
% company
0.07%
Price
$90.76
Value
$2,938,355

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
32.75K
% company
0.07%
Price
$89.67
Value
$2,936,693

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
32.92K
% company
0.07%
Price
$88.76
Value
$2,921,890

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
33.30K
% company
0.07%
Price
$87.71
Value
$2,920,743

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
33.53K
% company
0.07%
Price
$86.00
Value
$2,883,236

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
33.58K
% company
0.07%
Price
$91.59
Value
$3,075,592

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
33.97K
% company
0.08%
Price
$90.73
Value
$3,082,007

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
35.25K
% company
0.08%
Price
$89.36
Value
$3,149,583

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
36.13K
% company
0.08%
Price
$88.47
Value
$3,196,598

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
37.33K
% company
0.08%
Price
$87.25
Value
$3,257,130

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
37.82K
% company
0.08%
Price
$91.65
Value
$3,466,111

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
38.45K
% company
0.09%
Price
$90.79
Value
$3,491,329

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
40.33K
% company
0.09%
Price
$89.73
Value
$3,618,901

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
41.74K
% company
0.09%
Price
$88.74
Value
$3,703,830

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
43.67K
% company
0.10%
Price
$87.72
Value
$3,830,820

Filed Jun 4, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
44.85K
% company
0.10%
Price
$85.86
Value
$3,850,563

Filed Jun 4, 2026

Cho Paul Yoonku

SaleOpen-market or direct sale reported on Form 4.
Shares
22.94K
% company
0.05%
Price
$89.37
Value
$2,050,237

Filed Jun 2, 2026

LIGGETT EMILY M

SaleOpen-market or direct sale reported on Form 4.
Shares
38.15K
% company
0.09%
Price
$92.18
Value
$3,516,851

Filed May 27, 2026

Cook Christopher S

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
110.62K
% company
0.25%
Price
No cash value
Value
No cash value

Filed May 22, 2026

Cho Paul Yoonku

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
23.89K
% company
0.05%
Price
No cash value
Value
No cash value

Filed May 22, 2026

Xiao Jinsong

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
149.12K
% company
0.33%
Price
No cash value
Value
No cash value

Filed May 22, 2026

Solomon Joanne

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
12.08K
% company
0.03%
Price
No cash value
Value
No cash value

Filed May 22, 2026

McKibben Jeffrey L.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
17.25K
% company
0.04%
Price
No cash value
Value
No cash value

Filed May 22, 2026

Seto Jacqueline A.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
31.52K
% company
0.07%
Price
No cash value
Value
No cash value

Filed May 22, 2026

Palfrey Jamie J.

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
26.34K
% company
0.06%
Price
No cash value
Value
No cash value

Filed May 22, 2026

Wunar Robert Anthony

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
10.73K
% company
0.02%
Price
No cash value
Value
No cash value

Filed May 22, 2026

Johnson Samuel Williams

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
16.44K
% company
0.04%
Price
No cash value
Value
No cash value

Filed May 22, 2026

IBNALE DAVID T

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
47.82K
% company
0.11%
Price
No cash value
Value
No cash value

Filed May 22, 2026

Savage Sheri

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
80.90K
% company
0.18%
Price
No cash value
Value
No cash value

Filed May 22, 2026

GRANGER CLARENCE L

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
84.39K
% company
0.19%
Price
No cash value
Value
No cash value

Filed May 22, 2026

HARDING BRIAN E

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
45.04K
% company
0.10%
Price
No cash value
Value
No cash value

Filed May 22, 2026

LIGGETT EMILY M

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
46.35K
% company
0.10%
Price
No cash value
Value
No cash value

Filed May 22, 2026

MADDOCK ERNEST E

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
47.82K
% company
0.11%
Price
No cash value
Value
No cash value

Filed May 22, 2026

EDMAN THOMAS T

Award / grantAward, grant, or acquisition under an equity compensation plan.
Shares
48.62K
% company
0.11%
Price
No cash value
Value
No cash value

Filed May 22, 2026

McKibben Jeffrey L.

SaleOpen-market or direct sale reported on Form 4.
Shares
11.35K
% company
0.03%
Price
$87.00
Value
$987,363

Filed May 14, 2026

Cho Paul Yoonku

SaleOpen-market or direct sale reported on Form 4.
Shares
15.84K
% company
0.04%
Price
$86.89
Value
$1,376,687

Filed May 8, 2026

McKibben Jeffrey L.

SaleOpen-market or direct sale reported on Form 4.
Shares
15.55K
% company
0.03%
Price
$86.48
Value
$1,345,085

Filed May 8, 2026

Palfrey Jamie J.

SaleOpen-market or direct sale reported on Form 4.
Shares
16.45K
% company
0.04%
Price
$79.73
Value
$1,311,157

Filed May 5, 2026

HARDING BRIAN E

SaleOpen-market or direct sale reported on Form 4.
Shares
36.63K
% company
0.08%
Price
$80.00
Value
$2,930,480

Filed May 5, 2026

Cook Christopher S

SaleOpen-market or direct sale reported on Form 4.
Shares
97.43K
% company
0.22%
Price
$74.55
Value
$7,263,183

Filed May 4, 2026

Cook Christopher S

SaleOpen-market or direct sale reported on Form 4.
Shares
98.66K
% company
0.22%
Price
$73.89
Value
$7,289,840

Filed May 4, 2026

GRANGER CLARENCE L

SaleOpen-market or direct sale reported on Form 4.
Shares
81.82K
% company
0.18%
Price
$77.34
Value
$6,327,727

Filed May 1, 2026

GRANGER CLARENCE L

SaleOpen-market or direct sale reported on Form 4.
Shares
84.29K
% company
0.19%
Price
$76.44
Value
$6,443,280

Filed May 1, 2026

GRANGER CLARENCE L

SaleOpen-market or direct sale reported on Form 4.
Shares
87.99K
% company
0.20%
Price
$75.46
Value
$6,639,876

Filed May 1, 2026

GRANGER CLARENCE L

SaleOpen-market or direct sale reported on Form 4.
Shares
99.29K
% company
0.22%
Price
$74.41
Value
$7,388,467

Filed May 1, 2026

Savage Sheri

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
54.51K
% company
0.12%
Price
$78.15
Value
$4,259,566

Filed Apr 30, 2026

Savage Sheri

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
59.51K
% company
0.13%
Price
$78.15
Value
$4,650,628

Filed Apr 30, 2026

Savage Sheri

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
62.61K
% company
0.14%
Price
$78.15
Value
$4,893,050

Filed Apr 30, 2026

HARDING BRIAN E

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
40.63K
% company
0.09%
Price
$78.15
Value
$3,175,313

Filed Apr 30, 2026

HARDING BRIAN E

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
43.64K
% company
0.10%
Price
$78.15
Value
$3,410,466

Filed Apr 30, 2026

HARDING BRIAN E

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
46.28K
% company
0.10%
Price
$78.15
Value
$3,616,782

Filed Apr 30, 2026

Palfrey Jamie J.

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
25.14K
% company
0.06%
Price
$78.15
Value
$1,964,457

Filed Apr 30, 2026

Palfrey Jamie J.

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
26.52K
% company
0.06%
Price
$78.15
Value
$2,072,304

Filed Apr 30, 2026

Palfrey Jamie J.

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
28.00K
% company
0.06%
Price
$78.15
Value
$2,188,356

Filed Apr 30, 2026

Cook Christopher S

SaleOpen-market or direct sale reported on Form 4.
Shares
108.91K
% company
0.24%
Price
$75.31
Value
$8,201,636

Filed Apr 30, 2026

Cook Christopher S

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
120.81K
% company
0.27%
Price
$78.15
Value
$9,441,145

Filed Apr 30, 2026

Cook Christopher S

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
123.97K
% company
0.28%
Price
$78.15
Value
$9,688,490

Filed Apr 30, 2026

Cook Christopher S

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
128.15K
% company
0.29%
Price
$78.15
Value
$10,015,235

Filed Apr 30, 2026

McKibben Jeffrey L.

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
18.05K
% company
0.04%
Price
$78.15
Value
$1,410,920

Filed Apr 30, 2026

McKibben Jeffrey L.

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
19.73K
% company
0.04%
Price
$78.15
Value
$1,541,900

Filed Apr 30, 2026

McKibben Jeffrey L.

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
21.03K
% company
0.05%
Price
$78.15
Value
$1,643,651

Filed Apr 30, 2026

Cho Paul Yoonku

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
17.84K
% company
0.04%
Price
$78.15
Value
$1,394,509

Filed Apr 30, 2026

Cho Paul Yoonku

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
20.30K
% company
0.05%
Price
$78.15
Value
$1,586,289

Filed Apr 30, 2026

Cho Paul Yoonku

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
21.76K
% company
0.05%
Price
$78.15
Value
$1,700,778

Filed Apr 30, 2026

Johnson Samuel Williams

Tax withholdingShares withheld to cover tax obligations. Usually administrative, not an open-market sale.
Shares
10.87K
% company
0.02%
Price
$62.18
Value
$675,834

Filed Mar 31, 2026

GRANGER CLARENCE L

GiftGift transfer. Usually non-cash and not an open-market sale.
Shares
111.82K
% company
0.25%
Price
Non-cash
Value
Non-cash

Filed Feb 27, 2026

IBNALE DAVID T

SaleOpen-market or direct sale reported on Form 4.
Shares
45.24K
% company
0.10%
Price
$26.63
Value
$1,204,659

Filed Dec 3, 2025

GRANGER CLARENCE L

GiftGift transfer. Usually non-cash and not an open-market sale.
Shares
117.82K
% company
0.26%
Price
Non-cash
Value
Non-cash

Filed Dec 2, 2025

Showing 120 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.

Frequently asked

Common questions.

Who are the largest UCTT shareholders?

BLACKROCK is the largest institutional holder of UCTT, with 6.83 million shares, or about 15.26% of shares outstanding. Additional institutions are ranked by reported share count.

What is institutional ownership of UCTT?

Ultra Clean Holdings Inc (UCTT) has 120 institutional holders on file — 88 that increased or initiated positions and 29 that reduced them, as of the latest filing on Mar 31, 2026.

Where can I see Ultra Clean Holdings Inc insider transactions?

Ultra Clean Holdings Inc (UCTT) has 120 Form 4 insider transactions on file, most recently on Jun 4, 2026, separated into purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are distinguished from open-market trades.

Are UCTT insiders buying or selling?

Recent UCTT insider activity reads Net selling: 83 sales and 0 purchases. Awards, gifts, conversions, and tax withholding are listed separately because they do not carry the same signal as open-market trades.

Who is the most active UCTT insider?

Savage Sheri is the most active UCTT insider by absolute share movement, with 3.45 million shares moving across the filing history. Review the action labels before treating that activity as buying or selling.