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 | 
| 2020-12-29 Sale  | 2020-12-31 10:22 am  | TAUBMAN CENTERS INC | TCO | Killefer Nancy Director  | 9,944 | $0 | $0 | 0 (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 | 
| 2025-06-16 Option Award  | 2025-06-18 8:23 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 600 | $0 | 600 (Direct)  | View | 
| 2025-05-21 Option Award  | 2025-05-22 5:04 pm  | N/A N/A  | Certara Inc. | CERT | Killefer Nancy Director  | 15,757 | $0 | 51,846 (Direct)  | View | 
| 2025-05-21 Exercise  | 2025-05-22 5:04 pm  | N/A N/A  | Certara Inc. | CERT | Killefer Nancy Director  | 11,928 | $0 | 51,846 (Direct)  | View | 
| 2025-05-15 Exercise  | 2025-05-19 8:08 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 802 | $0 | 12,244 (Direct)  | View | 
| 2024-11-06 Option Award  | 2024-11-07 4:34 pm  | N/A N/A  | CARDINAL HEALTH INC | CAH | Killefer Nancy Director  | 1,730 | $0 | 26,557 (Direct)  | View | 
| 2024-06-17 Option Award  | 2024-06-20 6:36 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 802 | $0 | 802 (Direct)  | View | 
| 2024-05-21 Option Award  | 2024-05-23 4:40 pm  | N/A N/A  | Certara Inc. | CERT | Killefer Nancy Director  | 11,928 | $0 | 36,089 (Direct)  | View | 
| 2024-05-21 Exercise  | 2024-05-23 4:40 pm  | N/A N/A  | Certara Inc. | CERT | Killefer Nancy Director  | 8,663 | $0 | 36,089 (Direct)  | View | 
| 2024-05-15 Exercise  | 2024-05-17 8:19 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 1,843 | $0 | 11,442 (Direct)  | View | 
| 2024-02-15 Exercise  | 2024-02-20 6:47 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 301 | $0 | 9,901 (Direct)  | View | 
| 2023-11-15 Exercise  | 2023-11-17 7:09 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 301 | $0 | 9,901 (Direct)  | View | 
| 2023-11-15 Option Award  | 2023-11-16 4:25 pm  | N/A N/A  | CARDINAL HEALTH INC | CAH | Killefer Nancy Director  | 1,965 | $0 | 24,827 (Direct)  | View | 
| 2023-08-15 Exercise  | 2023-08-17 6:41 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 301 | $0 | 9,901 (Direct)  | View | 
| 2023-06-15 Option Award  | 2023-06-16 6:16 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 1,541 | $0 | 1,541 (Direct)  | View | 
| 2023-05-23 Option Award  | 2023-05-25 08:38 am  | N/A N/A  | Certara Inc. | CERT | Killefer Nancy Director  | 8,663 | $0 | 8,663 (Direct)  | View | 
| 2023-05-17 Exercise  | 2023-05-18 4:47 pm  | N/A N/A  | Certara Inc. | CERT | Killefer Nancy Director  | 9,067 | $0 | 15,498 (Direct)  | View | 
| 2023-05-15 Exercise  | 2023-05-17 9:27 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 2,199 | $0 | 9,901 (Direct)  | View | 
| 2023-02-15 Exercise  | 2023-02-17 7:11 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 301 | $0 | 8,004 (Direct)  | View | 
| 2022-11-15 Exercise  | 2022-11-17 9:12 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 301 | $0 | 8,004 (Direct)  | View | 
| 2022-11-09 Option Award  | 2022-11-10 4:15 pm  | N/A N/A  | CARDINAL HEALTH INC | CAH | Killefer Nancy Director  | 2,308 | $0 | 22,862 (Direct)  | View | 
| 2022-08-15 Exercise  | 2022-08-17 9:07 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 301 | $0 | 8,004 (Direct)  | View | 
| 2022-06-15 Option Award  | 2022-06-17 7:56 pm  | N/A N/A  | Meta Platforms Inc. | META | Killefer Nancy Director  | 1,897 | $0 | 1,897 (Direct)  | View | 
| 2022-05-17 Option Award  | 2022-05-18 4:33 pm  | N/A N/A  | Certara Inc. | CERT | Killefer Nancy Director  | 9,067 | $0 | 15,498 (Direct)  | View | 
| 2022-05-15 Exercise  | 2022-05-17 9:36 pm  | N/A N/A  | Meta Platforms Inc. | FB | Killefer Nancy Director  | 1,484 | $0 | 8,004 (Direct)  | View | 
| 2022-02-15 Exercise  | 2022-02-17 7:55 pm  | N/A N/A  | Meta Platforms Inc. | FB | Killefer Nancy Director  | 301 | $0 | 6,822 (Direct)  | View | 
| 2021-11-15 Exercise  | 2021-11-17 8:15 pm  | N/A N/A  | Meta Platforms Inc. | FB | Killefer Nancy Director  | 301 | $0 | 6,822 (Direct)  | View | 
| 2021-11-11 Option Award  | 2021-11-15 08:21 am  | N/A N/A  | CARDINAL HEALTH INC | CAH | Killefer Nancy Director  | 3,709 | $0 | 20,554 (Direct)  | View | 
| 2021-08-15 Exercise  | 2021-08-17 9:18 pm  | N/A N/A  | Facebook Inc | FB | Killefer Nancy Director  | 301 | $0 | 6,822 (Direct)  | View | 
| 2021-08-01 Option Award  | 2021-08-03 4:50 pm  | N/A N/A  | Certara Inc. | CERT | Killefer Nancy Director  | 6,431 | $0 | 6,431 (Direct)  | View | 
| 2021-06-15 Option Award  | 2021-06-17 9:36 pm  | N/A N/A  | Facebook Inc | FB | Killefer Nancy Director  | 1,182 | $0 | 1,182 (Direct)  | View | 
| 2021-05-15 Exercise  | 2021-05-18 9:11 pm  | N/A N/A  | Facebook Inc | FB | Killefer Nancy Director  | 2,034 | $0 | 6,822 (Direct)  | View | 
| 2021-02-15 Exercise  | 2021-02-17 9:20 pm  | N/A N/A  | Facebook Inc | FB | Killefer Nancy Director  | 301 | $0 | 5,090 (Direct)  | View | 
| 2020-11-15 Exercise  | 2020-11-17 8:17 pm  | N/A N/A  | Facebook Inc | FB | Killefer Nancy Director  | 301 | $0 | 5,090 (Direct)  | View | 
| 2020-11-09 Option Award  | 2020-11-10 4:36 pm  | N/A N/A  | CARDINAL HEALTH INC | CAH | Killefer Nancy Director  | 3,339 | $0 | 16,845 (Direct)  | View |