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 | 
| 2025-05-22 Sale | 2025-05-27 4:13 pm | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 6,216 | $21.83 | $135,695 | 36,077 (Direct) | View | 
| 2024-05-20 Sale | 2024-05-21 4:33 pm | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 6,356 | $33.43 | $212,462 | 30,804 (Direct) | View | 
| 2022-04-20 Sale | 2022-04-22 4:30 pm | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 4,092 | $45.82 | $187,495 | 18,229 (Direct) | View | 
| 2022-04-04 Sale | 2022-04-06 4:30 pm | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 2,265 | $49.06 | $111,121 | 22,321 (Direct) | View | 
| 2021-10-22 Sale | 2021-10-26 6:51 pm | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 2,729 | $59 | $161,011 | 24,586 (Direct) | View | 
| 2021-09-27 Sale | 2021-09-28 5:18 pm | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 2,728 | $55.13 | $150,395 | 27,315 (Direct) | View | 
| 2021-04-22 Sale | 2021-04-23 5:39 pm | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 6,863 | $51.4 | $352,741 | 24,386 (Direct) | View | 
| 2021-03-29 Sale | 2021-03-31 6:31 pm | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 1,407 | $39.73 | $55,900 | 31,249 (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 | 
| 2025-05-15 Option Award | 2025-05-19 4:43 pm | N/A N/A | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 11,489 | $0 | 42,293 (Direct) | View | 
| 2024-05-14 Option Award | 2024-05-15 7:35 pm | N/A N/A | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 6,927 | $0 | 37,160 (Direct) | View | 
| 2023-05-12 Option Award | 2023-05-12 12:22 pm | N/A N/A | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 6,176 | $0 | 30,233 (Direct) | View | 
| 2022-08-01 Option Award | 2022-08-03 5:23 pm | N/A N/A | BLACKBAUD INC | BLKB | CHOU TIMOTHY C K Director | 4,113 | $0 | 32,501 (Direct) | View | 
| 2022-05-10 Option Award | 2022-05-12 5:03 pm | N/A N/A | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 5,828 | $0 | 24,057 (Direct) | View | 
| 2021-08-02 Option Award | 2021-08-04 6:38 pm | N/A N/A | BLACKBAUD INC | BLKB | CHOU TIMOTHY C K Director | 3,163 | $0 | 28,388 (Direct) | View | 
| 2021-05-04 Option Award | 2021-05-06 5:44 pm | N/A N/A | TERADATA CORP | TDC | CHOU TIMOTHY C K Director | 5,657 | $0 | 30,043 (Direct) | View |