🕵️ Ultra Clean Holdings, Inc. ($UCTT)
SEC insider & ownership activity, last 12 months · CIK 1275014 · every row links its SEC filing
Over the last 12 months insiders sold $12.0M with no open-market buying against it. Savage Sheri sold $2.7M through a 10b5-1 trading plan in 46 lots (Jun). Frontier Capital Management CO.,LLC added 4.8% → 6.1%. No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 9 sellers, $12.0M (86 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Savage Sheri | 0 | – | 46 | $2.7M | Jun 4, 2026 |
| Brian Harding | 0 | – | 26 | $2.3M | Jul 2, 2026 |
| Clarence L. Granger | 0 | – | 4 | $2.3M | May 1, 2026 |
| Christopher S. Cook | 0 | – | 3 | $1.7M | May 4, 2026 |
| Emily M. Liggett | 0 | – | 1 | $756K | May 27, 2026 |
| Jamie J. Palfrey | 0 | – | 1 | $693K | May 5, 2026 |
| David T. Ibnale | 0 | – | 1 | $626K | Dec 3, 2025 |
| Jeffrey McKibben | 0 | – | 2 | $582K | May 14, 2026 |
| Cho Paul Yoonku | 0 | – | 2 | $258K | Jun 2, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 15.0% | 13G | Apr 30, 2025 | filing ↗ | |
| Vanguard Portfolio Management | 6.2% | 13G | Apr 29, 2026 | filing ↗ | |
| Frontier Capital Management CO.,LLC | 6.1% | 13G | Aug 14, 2025 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Brian Harding | $494K | Jul 2, 2026 | filing ↗ |
| Sheri Savage | $2.7M | Jun 4, 2026 | filing ↗ |
| Brian Harding | $1.5M | Jun 4, 2026 | filing ↗ |
| Paul Y Cho | $84K | Jun 2, 2026 | filing ↗ |
| Emily M Liggett | $756K | May 27, 2026 | filing ↗ |
| Jeffrey McKibben | $366K | May 14, 2026 | filing ↗ |
| Paul Y Cho | $174K | May 8, 2026 | filing ↗ |
| Jeffrey McKibben | $216K | May 8, 2026 | filing ↗ |
| Jamie Palfrey | $693K | May 5, 2026 | filing ↗ |
| Brian E. Harding | $302K | May 4, 2026 | filing ↗ |
| Christopher Scott Cook | $849K | May 4, 2026 | filing ↗ |
| Clarence Granger | $2.3M | May 1, 2026 | filing ↗ |
| Christopher Scott Cook | $896K | May 1, 2026 | filing ↗ |
| David Ibnale | $626K | Dec 3, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Jul 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 2, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 22, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 28, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 28, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 23, 2026 | filing ↗ |
| New financial obligation (2.03) | Apr 23, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 23, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 26, 2026 | filing ↗ |
| New financial obligation (2.03) | Feb 26, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Material agreement (1.01) | Feb 26, 2026 | filing ↗ |
| Other events (8.01) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Other events (8.01) | Feb 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 23, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 25, 2026 | filing ↗ |
| Earnings (2.02) | Oct 23, 2025 | filing ↗ |
| Other events (8.01) | Oct 23, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 23, 2025 | filing ↗ |
| Material agreement (1.01) | Sep 15, 2025 | filing ↗ |
| New financial obligation (2.03) | Sep 15, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 15, 2025 | filing ↗ |
| Officer/director changes (5.02) | Aug 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2025 | filing ↗ |