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Detailed Insider History for:
ULTRA CLEAN HOLDINGS INC: UCTT
Price: 5/8/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$87.10 $87.68 $18.93 $3,905 45 1,406 0.0% 7.9% 103.55% 1.78%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Semiconductors & Related Devices
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
1y
6
67%
-11%
1
CHO PAUL YOONKU
GC,SEC
S
$173,780
2,000
---
5/8/26
---
$86.89
15,844
-11.2
D
---
5/12/26 - 7:14:07 pm
2
1y
3
67%
-12%
1
MCKIBBEN JEFFREY L
IO
S
$216,196
2,500
---
5/8/26
---
$86.48
15,554
-13.8
D
---
5/12/26 - 7:13:47 pm
3
1y
5
40%
56%
1
PALFREY JAMIE J
VP,HR
S
$692,890
8,691
---
5/5/26
---
$79.72
16,446
-34.6
D
---
5/7/26 - 8:15:05 pm
4
1y
1
100%
-48%
2
HARDING BRIAN E
CAO
S
$320,000
4,000
---
5/5/26
---
$80.00
36,631
-9.8
D
---
5/7/26 - 8:13:01 pm
5
1y
1
100%
-48%
1
COOK CHRISTOPHER S
PR
S
$848,922
11,478
---
5/4/26
$73.89
$74.55
97,427
-10.5
D
---
5/6/26 - 7:37:36 pm
6
1y
105
90%
-44%
1
GRANGER CLARENCE L
DIR
AS
$2,258,930
30,000
---
5/1/26
$74.41
$77.34
81,817
-26.8
D
10b
5/5/26 - 7:23:53 pm
7
    
 
SAVAGE SHERI
CFO
JS
$928,109
11,876
---
4/30/26
---
$78.15
54,505
-17.9
D
R
5/4/26 - 9:15:58 pm
8
    
 
HARDING BRIAN E
CAO
JS
$594,409
7,606
---
4/30/26
---
$78.15
40,631
-15.8
D
R
5/4/26 - 9:14:10 pm
9
    
 
PALFREY JAMIE J
VP,HR
JS
$416,383
5,328
---
4/30/26
---
$78.15
25,137
-17.5
D
R
5/4/26 - 9:11:58 pm
10
1y
1
100%
-48%
1
COOK CHRISTOPHER S
PR
S
$896,415
11,903
---
4/30/26
---
$75.31
108,905
-9.9
D
R
5/4/26 - 9:11:09 pm
11
    
 
COOK CHRISTOPHER S
PR
JS
$719,527
9,207
---
4/30/26
---
$78.15
120,808
-7.1
D
R
5/4/26 - 9:11:09 pm
12
    
 
MCKIBBEN JEFFREY L
IO
JS
$308,067
3,942
---
4/30/26
---
$78.15
18,054
-17.9
D
R
5/4/26 - 9:09:22 pm
13
    
 
CHO PAUL YOONKU
GC,SEC
JS
$429,903
5,501
---
4/30/26
---
$78.15
17,844
-23.6
D
R
5/4/26 - 9:07:26 pm
14
    
 
JOHNSON SAMUEL WILLIAMS
VP
JS
$91,778
1,476
---
3/31/26
---
$62.18
10,869
-12.0
D
R
4/2/26 - 6:52:46 pm
15
    
 
WUNAR ROBERT ANTHONY
COO
3
---
---
---
3/23/26
---
---
---
---
---
---
3/31/26 - 6:03:52 pm
16
    
 
GRANGER CLARENCE L
DIR
JS
---
6,000
---
2/27/26
---
---
111,817
-5.1
D
---
3/3/26 - 8:33:36 pm
17
1y
5
100%
-41%
1
IBNALE DAVID T
DIR
S
$625,749
23,500
---
12/3/25
---
$26.63
45,241
-34.2
D
---
12/5/25 - 4:48:39 pm
18
    
 
GRANGER CLARENCE L
DIR
JS
---
1,000
---
12/2/25
---
---
117,817
-0.8
D
---
12/4/25 - 9:26:34 pm
19
    
 
GRANGER CLARENCE L
DIR
JS
---
3,000
---
11/25/25
---
---
118,817
-2.5
D
---
11/28/25 - 6:46:26 pm
20
    
 
XIAO JINSONG
CEO
JB
---
117,948
---
9/26/25
---
---
117,948
New
D
R
9/30/25 - 9:41:59 pm
21
    
 
GRANGER CLARENCE L
DIR
JS
$250,736
9,938
---
9/12/25
---
$25.23
121,817
-7.5
D
R
9/16/25 - 9:24:57 pm
22
    
 
XIAO JINSONG
CEO
3
---
---
---
9/2/25
---
---
---
---
---
---
9/16/25 - 9:20:46 pm
23
    
 
COOK CHRISTOPHER S
PR
JB
---
73,686
---
8/29/25
---
---
130,015
130.8
D
R
9/3/25 - 8:28:16 pm
24
    
 
JOHNSON SAMUEL WILLIAMS
VP
3
---
---
---
8/15/25
---
---
12,345
---
D
R
8/25/25 - 8:32:45 pm
25
    
 
HARDING BRIAN E
CAO
JS
$94,749
4,198
---
6/30/25
---
$22.57
48,237
-8.0
D
R
7/2/25 - 9:26:36 pm
26
    
 
BAJWA HARJINDER
COO
JS
$102,332
4,534
---
6/30/25
---
$22.57
76,693
-5.6
D
R
7/2/25 - 9:22:25 pm
27
1y
6
67%
-11%
1
CHO PAUL YOONKU
GC,SEC
S
$86,011
4,084
---
6/6/25
---
$21.06
23,345
-14.9
D
---
6/10/25 - 9:28:17 pm
28
1y
3
67%
-12%
1
MCKIBBEN JEFFREY L
IO
S
$131,356
6,294
---
6/4/25
---
$20.87
21,996
-22.2
D
---
6/6/25 - 6:06:25 pm
29
    
 
SOLOMON JOANNE
DIR
JB
---
8,198
---
5/21/25
---
---
9,508
625.8
D
R
5/27/25 - 9:16:15 pm
30
    
 
EDMAN THOMAS T
DIR
JB
---
8,198
---
5/21/25
---
---
46,041
21.7
D
R
5/27/25 - 9:12:40 pm
31
    
 
IBNALE DAVID T
DIR
JB
---
8,198
---
5/21/25
---
---
68,741
13.5
D
R
5/23/25 - 9:25:56 pm
32
    
 
GRANGER CLARENCE L
CEO,DIR
JB
---
8,198
---
5/21/25
---
---
131,755
6.6
D
R
5/23/25 - 9:24:22 pm
33
    
 
SETO JACQUELINE A
DIR
JB
---
8,198
---
5/21/25
---
---
28,950
39.5
D
R
5/23/25 - 9:23:34 pm
34
    
 
MADDOCK ERNEST E
DIR
JB
---
8,198
---
5/21/25
---
---
45,241
22.1
D
R
5/23/25 - 9:21:22 pm
35
    
 
LIGGETT EMILY M
DIR
JB
---
8,198
---
5/21/25
---
---
43,775
23.0
D
R
5/23/25 - 9:19:22 pm
36
1y
5
40%
56%
1
PALFREY JAMIE J
VP,HR
S
$182,372
9,500
---
5/6/25
---
$19.20
30,465
-23.8
D
---
5/8/25 - 5:27:28 pm
37
    
 
SAVAGE SHERI
CFO
JS
$180,065
9,624
---
4/30/25
---
$18.71
66,381
-12.7
D
R
5/2/25 - 9:04:39 pm
38
    
 
PALFREY JAMIE J
VP,HR
JS
$46,700
2,496
---
4/30/25
---
$18.71
39,965
-5.9
D
R
5/2/25 - 9:04:31 pm
39
    
 
HARDING BRIAN E
CAO
JS
$85,991
4,596
---
4/30/25
---
$18.71
51,706
-8.2
D
R
5/2/25 - 9:03:50 pm
40
    
 
MCKIBBEN JEFFREY L
IO
JS
$60,826
3,251
---
4/30/25
---
$18.71
28,290
-10.3
D
R
5/2/25 - 9:03:08 pm
41
    
 
CHO PAUL YOONKU
GC,SEC
JS
$75,514
4,036
---
4/30/25
---
$18.71
27,429
-12.8
D
R
5/2/25 - 9:02:30 pm
42
    
 
COOK CHRISTOPHER S
PR
JS
$124,047
6,630
---
4/30/25
---
$18.71
56,329
-10.5
D
R
5/2/25 - 9:01:28 pm
43
    
 
BENTINCK BILL
PR
JS
$63,184
3,377
---
4/30/25
---
$18.71
71,503
-4.5
D
R
5/2/25 - 8:59:45 pm
44
    
 
HARDING BRIAN E
CAO
JB
---
18,090
---
4/25/25
---
---
56,302
47.3
D
R
4/29/25 - 9:12:46 pm
45
    
 
CHO PAUL YOONKU
GC,SEC
JB
---
14,472
---
4/25/25
---
---
31,465
85.2
D
R
4/29/25 - 9:09:27 pm
46
    
 
BENTINCK BILL
PR
JB
---
13,915
---
4/25/25
---
---
74,880
22.8
D
R
4/29/25 - 9:07:52 pm
47
    
 
MCKIBBEN JEFFREY L
IO
JB
---
12,988
---
4/25/25
---
---
31,541
70.0
D
R
4/29/25 - 9:07:29 pm
48
    
 
SAVAGE SHERI
CFO
JB
---
27,831
---
4/25/25
---
---
76,005
57.8
D
R
4/29/25 - 9:05:40 pm
49
    
 
BAJWA HARJINDER
COO
JB
---
25,976
---
4/25/25
---
---
80,267
47.8
D
R
4/29/25 - 9:03:31 pm
50
    
 
PALFREY JAMIE J
VP,HR
JB
---
19,482
---
4/25/25
---
---
42,461
84.8
D
R
4/29/25 - 9:03:27 pm
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