CIK 0001275014 · Large accelerated filer
Ultra Clean Holdings, Inc.
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- UCTT
- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- FY end
- Dec 30
- Incorporated
- DE
- Entity type
- operating
- EIN
- 611430858
- Phone
- (510) 576-4400
- Business address
- 26462 CORPORATE AVENUE, HAYWARD, CA, 94545
- Former names
- ULTRA CLEAN HOLDINGS INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −488 | $87.25 | $43K | 37,331 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −1,199 | $88.47 | $106K | 36,132 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −886 | $89.36 | $79K | 35,246 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −1,277 | $90.73 | $116K | 33,969 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −389 | $91.59 | $36K | 33,580 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −54 | $86.00 | $5K | 33,526 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −226 | $87.71 | $20K | 33,300 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −381 | $88.76 | $34K | 32,919 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −169 | $89.67 | $15K | 32,750 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −375 | $90.76 | $34K | 32,375 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −117 | $91.63 | $11K | 32,258 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −496 | $87.22 | $43K | 31,762 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −1,002 | $88.36 | $89K | 30,760 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −1,056 | $89.33 | $94K | 29,704 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −986 | $90.55 | $89K | 28,718 |
| 2026-06-04 | HARDING BRIAN E Chief Accounting Officer | Sale 10b5-1 | −663 | $91.38 | $61K | 28,055 |
| 2026-06-02 | Cho Paul Yoonku General Counsel and Secretary | Sale | −944 | $89.37 | $84K | 22,941 |
| 2026-05-27 | LIGGETT EMILY M Director | Sale | −8,198 | $92.18 | $756K | 38,152 |
| 2026-05-22 | Cook Christopher S President, Products Division | Grant or award | +13,196 | 110,623 | ||
| 2026-05-22 | Cho Paul Yoonku General Counsel and Secretary | Grant or award | +8,041 | 23,885 |
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