Dudediligence.

Ultra Clean Holdings, Inc

UCTTNASDAQ · Semiconductors & Related Devices
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Last 12 months

Sales planned on beside the trades reported on , and whether each names a .

Planned ·

$11.9M

14 notices · 158,431 sh

Oct 2025 to Oct 2026

Reported ·

$11.5M

83 sales · 0 buys

Oct 2025 to Jun 2026

The two figures cover different periods.

72 of 83 reported sales carry the 10b5-1 box. Together they are 0.34% of the shares on issue.

PLANNED · FORM 144Oct 2025 to Oct 2026REPORTED · FORM 4Oct 2025 to Jun 2026N2025DJ2026FMAMJJASO2026-07-02: BRIAN HARDING, Form 1442026-06-04: SHERI SAVAGE, Form 1442026-06-04: BRIAN HARDING, Form 1442026-06-02: PAUL Y CHO, Form 1442026-05-27: EMILY M LIGGETT, Form 1442026-05-14: JEFFREY MCKIBBEN, Form 1442026-05-08: PAUL Y CHO, Form 1442026-05-08: JEFFREY MCKIBBEN, Form 1442026-05-05: JAMIE PALFREY, Form 1442026-05-04: HARDING BRIAN E, Form 1442026-05-04: CHRISTOPHER SCOTT COOK, Form 1442026-05-01: CLARENCE GRANGER, Form 1442026-05-01: CHRISTOPHER SCOTT COOK, Form 1442025-12-03: DAVID IBNALE, Form 1442025-12-03: IBNALE DAVID T, sold2026-04-30: Cook Christopher S, sold2026-05-01: GRANGER CLARENCE L, sold2026-05-04: Cook Christopher S, sold2026-05-05: HARDING BRIAN E, sold2026-05-05: Palfrey Jamie J., sold2026-05-08: McKibben Jeffrey L., sold2026-05-08: Cho Paul Yoonku, sold2026-05-14: McKibben Jeffrey L., sold2026-05-27: LIGGETT EMILY M, sold2026-06-02: Cho Paul Yoonku, sold2026-06-04: HARDING BRIAN E, sold2026-06-04: Savage Sheri, sold2026-06-04: Savage Sheri, sold
under a no plan named▼ salesize is dollars

Form 144 notices, newest first

2026-07-02BRIAN HARDING, Chief Accounting Officer$494,020
3,837 shplan 2026-03-05Form 4s on file end Jun 23144 ↗
2026-06-04SHERI SAVAGE, CFO$2,700,490
30,187 shplan 2026-03-05144 ↗
Form 4, 2026-06-09: sold 15,766 at $89.47 Form 4 ↗
2026-06-04BRIAN HARDING, Chief Accounting Officer$1,519,878
16,988 shplan 2026-03-05144 ↗
Form 4, 2026-06-08: sold 16,988 at $89.47 Form 4 ↗
2026-06-02PAUL Y CHO, General Counsel and Secretary$84,365
944 shno plan date144 ↗
Form 4, 2026-06-04: sold 944 at $89.37 Form 4 ↗
2026-05-27EMILY M LIGGETT, Director$755,692
8,198 shno plan date144 ↗
Form 4, 2026-05-27: sold 8,198 at $92.18 Form 4 ↗
2026-05-14JEFFREY MCKIBBEN, Chief Information Officer$365,835
4,205 shno plan date144 ↗
Form 4, 2026-05-18: sold 4,205 at $87.00 Form 4 ↗
2026-05-08PAUL Y CHO, General Counsel and Secretary$173,780
2,000 shno plan date144 ↗
Form 4, 2026-05-12: sold 2,000 at $86.89 Form 4 ↗
2026-05-08JEFFREY MCKIBBEN, Chief Information Officer$216,196
2,500 shno plan date144 ↗
Form 4, 2026-05-12: sold 2,500 at $86.48 Form 4 ↗
2026-05-05JAMIE PALFREY, SVP, Global Human Resources$692,890
8,691 shno plan date144 ↗
Form 4, 2026-05-07: sold 8,691 at $79.73 Form 4 ↗
2026-05-04HARDING BRIAN E, Chief Accounting Officer$301,700
4,000 shno plan date144 ↗
Form 4, 2026-05-07: sold 4,000 at $80.00 Form 4 ↗
2026-05-04CHRISTOPHER SCOTT COOK, President, Products Division$848,921
11,478 shno plan date144 ↗
Form 4, 2026-05-06: sold 11,478 at $73.96 Form 4 ↗
2026-05-01CLARENCE GRANGER, Director$2,258,968
30,000 shplan 2025-11-07144 ↗
Form 4, 2026-05-05: sold 30,000 at $75.30 Form 4 ↗
2026-05-01CHRISTOPHER SCOTT COOK, President, Products Division$896,467
11,903 shno plan date144 ↗
Form 4, 2026-05-04: sold 11,903 at $75.31 Form 4 ↗
2025-12-03DAVID IBNALE, Director$625,746
23,500 shno plan date144 ↗
Form 4, 2025-12-05: sold 23,500 at $26.63 Form 4 ↗