Ultra Clean Holdings, Inc. (UCTT) has 4 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $494K. Most recent filing: Sept. 4, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
|---|---|---|---|---|---|---|
| Sept. 4, 2026 filed Aug. 31, 2026 | Keogh Michael Dennis Chief Financial Officer | $0 | 20,917 | New | No | |
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| Sept. 2, 2026 filed Aug. 31, 2026 | Cook Christopher S President, Products Division | $847,672 | 12,497 | −11% | No | |
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| July 7, 2026 filed July 2, 2026 | HARDING BRIAN E Chief Accounting Officer | −$494,020 | 3,837 | −10% | Yes | |
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| June 30, 2026 filed June 26, 2026 | HARDING BRIAN E Chief Accounting Officer | $0 | 9,363 | +33% | No | |
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Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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