Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Common stock purchase or sale:
Transaction Date |
Reported DateTime |
Company | Symbol | Insider Relationship |
Shares Traded |
Average Price |
Total Amount |
Shares Owned |
Filing |
2024-05-17 Sale |
2024-05-21 7:10 pm |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
3,449 | $44.79 | $154,486 | 17,166 (Direct) |
View |
2023-12-04 Sale |
2023-12-06 6:13 pm |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
4,689 | $28.38 | $133,074 | 15,147 (Direct) |
View |
2023-05-26 Sale |
2023-05-31 8:38 pm |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
176 | $36.1 | $6,354 | 19,836 (Direct) |
View |
2022-11-03 Sale |
2022-11-07 5:42 pm |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
2,949 | $29.41 | $86,732 | 15,272 (Direct) |
View |
2022-05-11 Sale |
2022-05-13 5:28 pm |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
3,536 | $30.41 | $107,528 | 21,006 (Direct) |
View |
2021-11-03 Sale |
2021-11-05 6:25 pm |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
9,247 | $55.24 | $510,833 | 21,254 (Direct) |
View |
Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-03-31 Tax Withholding |
2025-04-02 8:27 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
173 | $21.41 | 16,993 (Direct) |
View |
2024-04-30 Tax Withholding |
2024-05-02 8:46 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
3,183 | $41.83 | 20,615 (Direct) |
View |
2024-04-26 Option Award |
2024-04-30 9:57 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
8,644 | $0 | 23,798 (Direct) |
View |
2024-03-31 Option Award |
2024-04-02 8:14 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
363 | $0 | 15,154 (Direct) |
View |
2024-03-31 Tax Withholding |
2024-04-02 8:14 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
356 | $45.94 | 15,154 (Direct) |
View |
2023-04-28 Option Award |
2023-05-02 7:27 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
9,330 | $0 | 20,012 (Direct) |
View |
2023-04-30 Tax Withholding |
2023-05-02 7:27 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
4,424 | $28.54 | 20,012 (Direct) |
View |
2023-03-31 Tax Withholding |
2023-04-04 6:16 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
166 | $33.16 | 15,106 (Direct) |
View |
2022-10-31 Tax Withholding |
2022-11-02 9:33 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
2,785 | $31.11 | 18,221 (Direct) |
View |
2022-04-29 Option Award |
2022-05-03 9:54 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
5,879 | $0 | 24,542 (Direct) |
View |
2022-04-30 Tax Withholding |
2022-05-03 9:54 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
838 | $31.17 | 24,542 (Direct) |
View |
2022-04-24 Tax Withholding |
2022-04-26 7:26 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
2,779 | $33.56 | 19,501 (Direct) |
View |
2022-03-25 Option Award |
2022-03-29 7:29 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
1,026 | $0 | 22,280 (Direct) |
View |
2021-10-25 Tax Withholding |
2021-10-27 5:52 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
2,982 | $42.98 | 30,501 (Direct) |
View |
2021-04-30 Option Award |
2021-05-04 7:25 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
4,606 | $0 | 33,483 (Direct) |
View |
2021-04-24 Tax Withholding |
2021-04-27 6:14 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
2,765 | $54.11 | 28,877 (Direct) |
View |
2021-02-10 Option Award |
2021-02-12 4:28 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
4,092 | $0 | 31,642 (Direct) |
View |
2020-10-25 Tax Withholding |
2020-10-27 4:24 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
1,929 | $23.58 | 27,550 (Direct) |
View |
2020-04-24 Option Award |
2020-04-28 4:13 pm |
N/A N/A |
Ultra Clean Holdings Inc. | UCTT | Cho Paul Yoonku General Counsel and Secretary |
12,278 | $0 | 29,479 (Direct) |
View |