| 28 Apr 2018 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 537 | 17.45 USD | |
| 28 Apr 2018 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 1,617 | 17.45 USD | |
| 30 Mar 2018 | GRANT_AWARD | Ultra Clean Holdings, Inc. | 12,750 | 0.00 USD | |
| 27 Feb 2018 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 1,704 | 19.41 USD | |
| 27 Feb 2018 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 340 | 19.41 USD | |
| 26 Feb 2018 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 811 | 19.73 USD | |
| 26 Feb 2018 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 2,834 | 19.73 USD | |
| 13 Feb 2018 | GRANT_AWARD | Ultra Clean Holdings, Inc. | 6,625 | 0.00 USD | |
| 25 Aug 2017 | GRANT_AWARD | Ultra Clean Holdings, Inc. | 10,000 | 0.00 USD | |
| 28 Apr 2017 | GRANT_AWARD | Ultra Clean Holdings, Inc. | 19,875 | 0.00 USD | |
| 31 Mar 2017 | SALE | Ultra Clean Holdings, Inc. | 23,507 | 16.43 USD | |
| 28 Feb 2017 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 1,299 | 13.85 USD | |
| 27 Feb 2017 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 1,911 | 14.57 USD | |
| 28 Feb 2017 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 394 | 13.85 USD | |
| 28 Feb 2017 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 1,367 | 13.85 USD | |
| 27 Feb 2017 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 382 | 14.57 USD | |
| 26 Feb 2017 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 3,182 | 14.67 USD | |
| 26 Feb 2017 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 881 | 14.67 USD | |
| 15 Feb 2017 | GRANT_AWARD | Ultra Clean Holdings, Inc. | 10,000 | 0.00 USD | |
| 27 Feb 2016 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 456 | 5.31 USD | |
| 28 Feb 2016 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 2,744 | 5.31 USD | |
| 28 Feb 2016 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 380 | 5.31 USD | |
| 26 Feb 2016 | GRANT_AWARD | Ultra Clean Holdings, Inc. | 30,000 | 0.00 USD | |
| 27 Feb 2016 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 2,285 | 5.31 USD | |
| 22 Feb 2016 | TAX_WITHHOLDING | Ultra Clean Holdings, Inc. | 446 | 4.84 USD | |