UCTT

insider transactions

Ultra Clean Holdings, Inc. — buys & sells by directors, officers and 10% owners (SEC Form 4).

30D 90D 1Y

Net shares · 365d

-154.6K

0 buy · 154.6K sell

Net value · 365d

-$11.5M

$0 in · $11.5M out

Sentiment · 365d

Net selling

0% buying · 100% selling

Open-market trades · 365d

0 buy · 154.6K sell

Net buy / sell volume

Tap or hover the chart for daily net volume. Green = net buying, red = net selling.

All transactions

Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$60.6K

663 sh · $91.38

Own -2%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$89.3K

986 sh · $90.55

Own -3%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$94.3K

1.1K sh · $89.33

Own -3%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$88.5K

1.0K sh · $88.36

Own -3%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$43.3K

496 sh · $87.22

Own -2%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$10.7K

117 sh · $91.63

Own -0%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$34.0K

375 sh · $90.76

Own -1%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$15.2K

169 sh · $89.67

Own -1%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$33.8K

381 sh · $88.76

Own -1%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$19.8K

226 sh · $87.71

Own -1%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$4.6K

54 sh · $86.00

Own -0%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$35.6K

389 sh · $91.59

Own -1%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$115.9K

1.3K sh · $90.73

Own -4%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$79.2K

886 sh · $89.36

Own -2%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$106.1K

1.2K sh · $88.47

Own -3%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$42.6K

488 sh · $87.25

Own -1%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$58.3K

636 sh · $91.65

Own -2%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$170.3K

1.9K sh · $90.79

Own -5%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$126.3K

1.4K sh · $89.73

Own -3%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$171.5K

1.9K sh · $88.74

Own -4%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$103.2K

1.2K sh · $87.72

Own -3%
Sell·S
Jun 4, 26

HARDING BRIAN E

Chief Accounting Officer · 10b5-1

$16.8K

196 sh · $85.86

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$23.9K

260 sh · $91.75

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$155.2K

1.7K sh · $90.99

Own -2%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$76.6K

852 sh · $89.95

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$127.3K

1.4K sh · $89.10

Own -2%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$126.0K

1.4K sh · $88.16

Own -2%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$42.5K

488 sh · $87.07

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$15.7K

171 sh · $91.68

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$69.3K

763 sh · $90.86

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$40.0K

446 sh · $89.73

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$80.5K

907 sh · $88.75

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$34.4K

392 sh · $87.72

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$8.2K

96 sh · $85.54

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$8.3K

91 sh · $91.63

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$23.6K

260 sh · $90.76

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$14.1K

157 sh · $89.59

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$28.5K

321 sh · $88.80

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$10.5K

120 sh · $87.52

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$3.4K

40 sh · $86.04

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$1.8K

20 sh · $91.78

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$27.4K

301 sh · $90.98

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$13.5K

150 sh · $89.91

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$32.0K

360 sh · $88.85

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$10.5K

120 sh · $87.43

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$3.4K

40 sh · $86.00

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$15.8K

172 sh · $91.70

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$88.3K

972 sh · $90.89

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$61.8K

688 sh · $89.78

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$94.9K

1.1K sh · $88.69

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$52.4K

600 sh · $87.37

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$71.8K

784 sh · $91.63

Own -2%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$262.7K

2.9K sh · $90.79

Own -5%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$171.0K

1.9K sh · $89.70

Own -3%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$272.1K

3.1K sh · $88.69

Own -5%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$137.5K

1.6K sh · $87.59

Own -3%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$17.2K

200 sh · $86.18

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$1.7K

18 sh · $91.76

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$32.6K

358 sh · $91.03

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$23.3K

259 sh · $89.97

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$37.2K

419 sh · $88.73

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$14.0K

160 sh · $87.52

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$4.3K

50 sh · $86.00

Own -0%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$75.3K

825 sh · $91.29

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$84.6K

936 sh · $90.40

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$83.4K

935 sh · $89.22

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$87.2K

988 sh · $88.29

Own -1%
Sell·S
Jun 4, 26

Savage Sheri KEY

CFO · 10b5-1

$34.5K

396 sh · $87.24

Own -1%
Sell·S
Jun 2, 26

Cho Paul Yoonku

General Counsel and Secretary

$84.4K

944 sh · $89.37

Own -4%
Sell·S
May 27, 26

LIGGETT EMILY M

Director

$755.7K

8.2K sh · $92.18

Own -18%
Grant·A
May 22, 26

Xiao Jinsong KEY

Chief Executive Officer

$0

31.2K sh

Own +26%
Grant·A
May 22, 26

Robert Anthony Wunar

Chief Operating Officer

$0

10.7K sh

Own New
Grant·A
May 22, 26

Solomon Joanne

Director

$0

2.6K sh

Own +27%
Grant·A
May 22, 26

Seto Jacqueline A.

Director

$0

2.6K sh

Own +9%
Grant·A
May 22, 26

Savage Sheri KEY

CFO

$0

26.4K sh

Own +48%
Grant·A
May 22, 26

Palfrey Jamie J.

SVP, Global Human Resources

$0

9.9K sh

Own +60%
Grant·A
May 22, 26

McKibben Jeffrey L.

Chief Information Officer

$0

5.9K sh

Own +52%
Grant·A
May 22, 26

MADDOCK ERNEST E

Director

$0

2.6K sh

Own +6%
Grant·A
May 22, 26

LIGGETT EMILY M

Director

$0

2.6K sh

Own +6%
Grant·A
May 22, 26

Samuel Williams Johnson

SVP, Services Business

$0

5.6K sh

Own +51%
Grant·A
May 22, 26

IBNALE DAVID T

Director

$0

2.6K sh

Own +6%
Grant·A
May 22, 26

HARDING BRIAN E

Chief Accounting Officer

$0

8.4K sh

Own +23%
Grant·A
May 22, 26

GRANGER CLARENCE L

Director

$0

2.6K sh

Own +3%
Grant·A
May 22, 26

EDMAN THOMAS T

Director

$0

2.6K sh

Own +6%
Grant·A
May 22, 26

Cook Christopher S KEY

President, Products Division

$0

13.2K sh

Own +14%
Grant·A
May 22, 26

Cho Paul Yoonku

General Counsel and Secretary

$0

8.0K sh

Own +51%
Sell·S
May 14, 26

McKibben Jeffrey L.

Chief Information Officer

$365.8K

4.2K sh · $87.00

Own -27%
Sell·S
May 8, 26

McKibben Jeffrey L.

Chief Information Officer

$216.2K

2.5K sh · $86.48

Own -14%
Sell·S
May 8, 26

Cho Paul Yoonku

General Counsel and Secretary

$173.8K

2.0K sh · $86.89

Own -11%
Sell·S
May 5, 26

Palfrey Jamie J.

SVP, Global Human Resources

$692.9K

8.7K sh · $79.73

Own -35%
Sell·S
May 5, 26

HARDING BRIAN E

Chief Accounting Officer

$320.0K

4.0K sh · $80.00

Own -10%
Sell·S
May 4, 26

Cook Christopher S KEY

President, Products Division

$91.8K

1.2K sh · $74.55

Own -1%
Sell·S
May 4, 26

Cook Christopher S KEY

President, Products Division

$757.2K

10.2K sh · $73.89

Own -9%
Sell·S
May 1, 26

GRANGER CLARENCE L

Director · 10b5-1

$191.4K

2.5K sh · $77.34

Own -3%
Sell·S
May 1, 26

GRANGER CLARENCE L

Director · 10b5-1

$282.8K

3.7K sh · $76.44

Own -4%
Sell·S
May 1, 26

GRANGER CLARENCE L

Director · 10b5-1

$852.8K

11.3K sh · $75.46

Own -11%
Sell·S
May 1, 26

GRANGER CLARENCE L

Director · 10b5-1

$931.8K

12.5K sh · $74.41

Own -11%
Other·F
Apr 30, 26

Savage Sheri KEY

CFO

$391.1K

5.0K sh · $78.15

Own -8%
Other·F
Apr 30, 26

Savage Sheri KEY

CFO

$242.4K

3.1K sh · $78.15

Own -5%
Other·F
Apr 30, 26

Savage Sheri KEY

CFO

$294.6K

3.8K sh · $78.15

Own -6%
Other·F
Apr 30, 26

Palfrey Jamie J.

SVP, Global Human Resources

$107.8K

1.4K sh · $78.15

Own -5%
Other·F
Apr 30, 26

Palfrey Jamie J.

SVP, Global Human Resources

$116.1K

1.5K sh · $78.15

Own -5%
Other·F
Apr 30, 26

Palfrey Jamie J.

SVP, Global Human Resources

$192.5K

2.5K sh · $78.15

Own -8%
Other·F
Apr 30, 26

McKibben Jeffrey L.

Chief Information Officer

$131.0K

1.7K sh · $78.15

Own -8%
Other·F
Apr 30, 26

McKibben Jeffrey L.

Chief Information Officer

$101.8K

1.3K sh · $78.15

Own -6%
Other·F
Apr 30, 26

McKibben Jeffrey L.

Chief Information Officer

$75.3K

964 sh · $78.15

Own -4%
Other·F
Apr 30, 26

HARDING BRIAN E

Chief Accounting Officer

$235.2K

3.0K sh · $78.15

Own -7%
Other·F
Apr 30, 26

HARDING BRIAN E

Chief Accounting Officer

$206.3K

2.6K sh · $78.15

Own -6%
Other·F
Apr 30, 26

HARDING BRIAN E

Chief Accounting Officer

$152.9K

2.0K sh · $78.15

Own -4%
Sell·S
Apr 30, 26

Cook Christopher S KEY

President, Products Division

$896.4K

11.9K sh · $75.31

Own -10%
Other·F
Apr 30, 26

Cook Christopher S KEY

President, Products Division

$247.3K

3.2K sh · $78.15

Own -3%
Other·F
Apr 30, 26

Cook Christopher S KEY

President, Products Division

$326.7K

4.2K sh · $78.15

Own -3%
Other·F
Apr 30, 26

Cook Christopher S KEY

President, Products Division

$145.4K

1.9K sh · $78.15

Own -1%
Other·F
Apr 30, 26

Cho Paul Yoonku

General Counsel and Secretary

$191.8K

2.5K sh · $78.15

Own -12%
Other·F
Apr 30, 26

Cho Paul Yoonku

General Counsel and Secretary

$114.5K

1.5K sh · $78.15

Own -7%
Other·F
Apr 30, 26

Cho Paul Yoonku

General Counsel and Secretary

$123.6K

1.6K sh · $78.15

Own -7%
Other·F
Mar 31, 26

Samuel Williams Johnson

SVP, Services Business

$91.8K

1.5K sh · $62.18

Own -12%
Other·G
Feb 27, 26

GRANGER CLARENCE L

Director

$0

6.0K sh

Own -5%
Sell·S
Dec 3, 25

IBNALE DAVID T

Director

$625.8K

23.5K sh · $26.63

Own -34%
Other·G
Dec 2, 25

GRANGER CLARENCE L

Director

$0

1.0K sh

Own -1%
Other·G
Nov 25, 25

GRANGER CLARENCE L

Director

$0

3.0K sh

Own -2%
Grant·A
Sep 26, 25

Xiao Jinsong KEY

Chief Executive Officer

$0

117.9K sh

Own New
Other·F
Sep 12, 25

GRANGER CLARENCE L

Director

$250.7K

9.9K sh · $25.23

Own -8%
Grant·A
Aug 29, 25

Cook Christopher S KEY

President, Products Division

$0

73.7K sh

Own +131%
Other·F
Jun 30, 25

Bajwa Harjinder

Chief Operating Officer

$102.3K

4.5K sh · $22.57

Own -6%
Other·F
Jun 30, 25

HARDING BRIAN E

Chief Accounting Officer

$94.7K

4.2K sh · $22.57

Own -8%

Date▾	Insider	Role	Type	Shares	Own Δ	Price	Value
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	663	-2%	$91.38	$60.6K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	986	-3%	$90.55	$89.3K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	1.1K	-3%	$89.33	$94.3K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	1.0K	-3%	$88.36	$88.5K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	496	-2%	$87.22	$43.3K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	117	-0%	$91.63	$10.7K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	375	-1%	$90.76	$34.0K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	169	-1%	$89.67	$15.2K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	381	-1%	$88.76	$33.8K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	226	-1%	$87.71	$19.8K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	54	-0%	$86.00	$4.6K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	389	-1%	$91.59	$35.6K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	1.3K	-4%	$90.73	$115.9K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	886	-2%	$89.36	$79.2K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	1.2K	-3%	$88.47	$106.1K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	488	-1%	$87.25	$42.6K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	636	-2%	$91.65	$58.3K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	1.9K	-5%	$90.79	$170.3K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	1.4K	-3%	$89.73	$126.3K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	1.9K	-4%	$88.74	$171.5K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	1.2K	-3%	$87.72	$103.2K
Jun 4, 2026	HARDING BRIAN E 10b5-1	Chief Accounting Officer	Sell S	196	-0%	$85.86	$16.8K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	260	-0%	$91.75	$23.9K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	1.7K	-2%	$90.99	$155.2K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	852	-1%	$89.95	$76.6K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	1.4K	-2%	$89.10	$127.3K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	1.4K	-2%	$88.16	$126.0K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	488	-1%	$87.07	$42.5K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	171	-0%	$91.68	$15.7K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	763	-1%	$90.86	$69.3K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	446	-1%	$89.73	$40.0K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	907	-1%	$88.75	$80.5K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	392	-1%	$87.72	$34.4K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	96	-0%	$85.54	$8.2K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	91	-0%	$91.63	$8.3K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	260	-0%	$90.76	$23.6K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	157	-0%	$89.59	$14.1K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	321	-0%	$88.80	$28.5K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	120	-0%	$87.52	$10.5K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	40	-0%	$86.04	$3.4K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	20	-0%	$91.78	$1.8K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	301	-0%	$90.98	$27.4K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	150	-0%	$89.91	$13.5K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	360	-0%	$88.85	$32.0K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	120	-0%	$87.43	$10.5K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	40	-0%	$86.00	$3.4K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	172	-0%	$91.70	$15.8K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	972	-1%	$90.89	$88.3K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	688	-1%	$89.78	$61.8K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	1.1K	-1%	$88.69	$94.9K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	600	-1%	$87.37	$52.4K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	784	-2%	$91.63	$71.8K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	2.9K	-5%	$90.79	$262.7K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	1.9K	-3%	$89.70	$171.0K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	3.1K	-5%	$88.69	$272.1K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	1.6K	-3%	$87.59	$137.5K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	200	-0%	$86.18	$17.2K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	18	-0%	$91.76	$1.7K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	358	-1%	$91.03	$32.6K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	259	-0%	$89.97	$23.3K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	419	-1%	$88.73	$37.2K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	160	-0%	$87.52	$14.0K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	50	-0%	$86.00	$4.3K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	825	-1%	$91.29	$75.3K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	936	-1%	$90.40	$84.6K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	935	-1%	$89.22	$83.4K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	988	-1%	$88.29	$87.2K
Jun 4, 2026	Savage Sheri KEY 10b5-1	CFO	Sell S	396	-1%	$87.24	$34.5K
Jun 2, 2026	Cho Paul Yoonku	General Counsel and Secretary	Sell S	944	-4%	$89.37	$84.4K
May 27, 2026	LIGGETT EMILY M	Director	Sell S	8.2K	-18%	$92.18	$755.7K
May 22, 2026	Xiao Jinsong KEY	Chief Executive Officer	Grant A	31.2K	+26%	—	$0
May 22, 2026	Robert Anthony Wunar	Chief Operating Officer	Grant A	10.7K	New	—	$0
May 22, 2026	Solomon Joanne	Director	Grant A	2.6K	+27%	—	$0
May 22, 2026	Seto Jacqueline A.	Director	Grant A	2.6K	+9%	—	$0
May 22, 2026	Savage Sheri KEY	CFO	Grant A	26.4K	+48%	—	$0
May 22, 2026	Palfrey Jamie J.	SVP, Global Human Resources	Grant A	9.9K	+60%	—	$0
May 22, 2026	McKibben Jeffrey L.	Chief Information Officer	Grant A	5.9K	+52%	—	$0
May 22, 2026	MADDOCK ERNEST E	Director	Grant A	2.6K	+6%	—	$0
May 22, 2026	LIGGETT EMILY M	Director	Grant A	2.6K	+6%	—	$0
May 22, 2026	Samuel Williams Johnson	SVP, Services Business	Grant A	5.6K	+51%	—	$0
May 22, 2026	IBNALE DAVID T	Director	Grant A	2.6K	+6%	—	$0
May 22, 2026	HARDING BRIAN E	Chief Accounting Officer	Grant A	8.4K	+23%	—	$0
May 22, 2026	GRANGER CLARENCE L	Director	Grant A	2.6K	+3%	—	$0
May 22, 2026	EDMAN THOMAS T	Director	Grant A	2.6K	+6%	—	$0
May 22, 2026	Cook Christopher S KEY	President, Products Division	Grant A	13.2K	+14%	—	$0
May 22, 2026	Cho Paul Yoonku	General Counsel and Secretary	Grant A	8.0K	+51%	—	$0
May 14, 2026	McKibben Jeffrey L.	Chief Information Officer	Sell S	4.2K	-27%	$87.00	$365.8K
May 8, 2026	McKibben Jeffrey L.	Chief Information Officer	Sell S	2.5K	-14%	$86.48	$216.2K
May 8, 2026	Cho Paul Yoonku	General Counsel and Secretary	Sell S	2.0K	-11%	$86.89	$173.8K
May 5, 2026	Palfrey Jamie J.	SVP, Global Human Resources	Sell S	8.7K	-35%	$79.73	$692.9K
May 5, 2026	HARDING BRIAN E	Chief Accounting Officer	Sell S	4.0K	-10%	$80.00	$320.0K
May 4, 2026	Cook Christopher S KEY	President, Products Division	Sell S	1.2K	-1%	$74.55	$91.8K
May 4, 2026	Cook Christopher S KEY	President, Products Division	Sell S	10.2K	-9%	$73.89	$757.2K
May 1, 2026	GRANGER CLARENCE L 10b5-1	Director	Sell S	2.5K	-3%	$77.34	$191.4K
May 1, 2026	GRANGER CLARENCE L 10b5-1	Director	Sell S	3.7K	-4%	$76.44	$282.8K
May 1, 2026	GRANGER CLARENCE L 10b5-1	Director	Sell S	11.3K	-11%	$75.46	$852.8K
May 1, 2026	GRANGER CLARENCE L 10b5-1	Director	Sell S	12.5K	-11%	$74.41	$931.8K
Apr 30, 2026	Savage Sheri KEY	CFO	Other F	5.0K	-8%	$78.15	$391.1K
Apr 30, 2026	Savage Sheri KEY	CFO	Other F	3.1K	-5%	$78.15	$242.4K
Apr 30, 2026	Savage Sheri KEY	CFO	Other F	3.8K	-6%	$78.15	$294.6K
Apr 30, 2026	Palfrey Jamie J.	SVP, Global Human Resources	Other F	1.4K	-5%	$78.15	$107.8K
Apr 30, 2026	Palfrey Jamie J.	SVP, Global Human Resources	Other F	1.5K	-5%	$78.15	$116.1K
Apr 30, 2026	Palfrey Jamie J.	SVP, Global Human Resources	Other F	2.5K	-8%	$78.15	$192.5K
Apr 30, 2026	McKibben Jeffrey L.	Chief Information Officer	Other F	1.7K	-8%	$78.15	$131.0K
Apr 30, 2026	McKibben Jeffrey L.	Chief Information Officer	Other F	1.3K	-6%	$78.15	$101.8K
Apr 30, 2026	McKibben Jeffrey L.	Chief Information Officer	Other F	964	-4%	$78.15	$75.3K
Apr 30, 2026	HARDING BRIAN E	Chief Accounting Officer	Other F	3.0K	-7%	$78.15	$235.2K
Apr 30, 2026	HARDING BRIAN E	Chief Accounting Officer	Other F	2.6K	-6%	$78.15	$206.3K
Apr 30, 2026	HARDING BRIAN E	Chief Accounting Officer	Other F	2.0K	-4%	$78.15	$152.9K
Apr 30, 2026	Cook Christopher S KEY	President, Products Division	Sell S	11.9K	-10%	$75.31	$896.4K
Apr 30, 2026	Cook Christopher S KEY	President, Products Division	Other F	3.2K	-3%	$78.15	$247.3K
Apr 30, 2026	Cook Christopher S KEY	President, Products Division	Other F	4.2K	-3%	$78.15	$326.7K
Apr 30, 2026	Cook Christopher S KEY	President, Products Division	Other F	1.9K	-1%	$78.15	$145.4K
Apr 30, 2026	Cho Paul Yoonku	General Counsel and Secretary	Other F	2.5K	-12%	$78.15	$191.8K
Apr 30, 2026	Cho Paul Yoonku	General Counsel and Secretary	Other F	1.5K	-7%	$78.15	$114.5K
Apr 30, 2026	Cho Paul Yoonku	General Counsel and Secretary	Other F	1.6K	-7%	$78.15	$123.6K
Mar 31, 2026	Samuel Williams Johnson	SVP, Services Business	Other F	1.5K	-12%	$62.18	$91.8K
Feb 27, 2026	GRANGER CLARENCE L	Director	Other G	6.0K	-5%	—	$0
Dec 3, 2025	IBNALE DAVID T	Director	Sell S	23.5K	-34%	$26.63	$625.8K
Dec 2, 2025	GRANGER CLARENCE L	Director	Other G	1.0K	-1%	—	$0
Nov 25, 2025	GRANGER CLARENCE L	Director	Other G	3.0K	-2%	—	$0
Sep 26, 2025	Xiao Jinsong KEY	Chief Executive Officer	Grant A	117.9K	New	—	$0
Sep 12, 2025	GRANGER CLARENCE L	Director	Other F	9.9K	-8%	$25.23	$250.7K
Aug 29, 2025	Cook Christopher S KEY	President, Products Division	Grant A	73.7K	+131%	—	$0
Jun 30, 2025	Bajwa Harjinder	Chief Operating Officer	Other F	4.5K	-6%	$22.57	$102.3K
Jun 30, 2025	HARDING BRIAN E	Chief Accounting Officer	Other F	4.2K	-8%	$22.57	$94.7K

About UCTT insider trading

This page tracks insider transactions for Ultra Clean Holdings, Inc. (UCTT) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.