UCTT
Ultra Clean Holdings, Inc. · Technology · Market cap $2.3B
Insiders sold $494K net in the last 90 days ·1 seller, 0 buyers· 1 of 1 sale under Rule 10b5-1 plans· latest Form 4 filed Jul 7, 2026
Insider Buying
$0
reported purchases (SEC code P)
Insider Selling
$12.0M
reported sales (SEC code S)
Unique Insiders
9
in the rolling window
Latest filing
Oct 2, 2026
HARDING BRIAN E
Ultra Clean Holdings, Inc. (UCTT) has 43 SEC Form 4 filings (128 transaction rows) in the rolling window, disclosed by 9 distinct insiders. Most recent filing: Oct 2, 2026.
Inside the rolling window, 9 insiders at Ultra Clean Holdings, Inc. reported no open-market purchases and 14 open-market sales totaling $12.0M. The most active filer is Chief Accounting Officer HARDING BRIAN E with 3 filings. Insiders have net sold $11.3M over the trailing 6 months. The most recent open-market filing is a sale of 3,837 shares by Chief Accounting Officer HARDING BRIAN E, dated Jul 2, 2026, worth $494K.
- Industry:Semiconductors
- CEO:Jinsong Xiao
- Employees:6,948
- HQ:Hayward, CA, US
- IPO:2004-03-25
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Chief Accounting Officer | Sale | 3,837 | $494K | Jul 7 | -43.2% | SEC ↗ | |
Savage SheriFirst filing | CFO | Sale | 30,187 | $2.7M | Jun 9 | -43.9% | SEC ↗ |
| Chief Accounting Officer | Sale | 16,988 | $1.5M | Jun 8 | — | SEC ↗ | |
| General Counsel and Secretary | Sale | 944 | $84K | Jun 4 | — | SEC ↗ | |
LIGGETT EMILY MFirst filing | Director | Sale | 8,198 | $756K | May 28 | — | SEC ↗ |
| Chief Information Officer | Sale | 4,205 | $366K | May 19 | — | SEC ↗ | |
Cho Paul YoonkuFirst filing | General Counsel and Secretary | Sale | 2,000 | $174K | May 12 | — | SEC ↗ |
McKibben Jeffrey L.First filing | Chief Information Officer | Sale | 2,500 | $216K | May 12 | — | SEC ↗ |
Palfrey Jamie J.First filing | SVP, Global Human Resources | Sale | 8,691 | $693K | May 8 | — | SEC ↗ |
HARDING BRIAN EFirst filing | Chief Accounting Officer | Sale | 4,000 | $320K | May 8 | — | SEC ↗ |
| President, Products Division | Sale | 11,478 | $849K | May 6 | — | SEC ↗ | |
GRANGER CLARENCE LFirst filing | Director | Sale | 30,000 | $2.3M | May 5 | — | SEC ↗ |
Cook Christopher SFirst filing | President, Products Division | Sale | 11,903 | $896K | May 5 | — | SEC ↗ |
IBNALE DAVID TFirst filing | Director | Sale | 23,500 | $626K | Dec 5 | — | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does UCTT have?
Ultra Clean Holdings, Inc. (UCTT) has 43 SEC Form 4 filings (128 transaction rows) in the rolling 365-day window, disclosed by 9 distinct insiders. Most recent filing: Oct 2, 2026.
When was the most recent SEC Form 4 filing for UCTT?
The most recent Form 4 filing for UCTT on Tracefour is dated Oct 2, 2026.
Who is the most active insider at UCTT?
The most active SEC Form 4 filer at UCTT in the rolling window is Chief Accounting Officer HARDING BRIAN E, with 3 filings.
What is the net insider flow at UCTT over the last 6 months?
Over the trailing 180 days, insiders at UCTT have net sold $11.3M based on SEC Form 4 disclosures.
What is the total insider buy and sell value at UCTT in the current window?
Inside the rolling window, insiders at UCTT bought $0 and sold $12.0M based on SEC Form 4 filings.
Can I get alerts for UCTT insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at Ultra Clean Holdings, Inc. (UCTT). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
Ultra Clean Holdings, Inc. is in the Technology sector.