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 |
2023-11-14 Sale |
2023-11-16 4:14 pm |
Mallinckrodt plc | MNKTQ | Richardson Peter C EVP & Chief Scientific Officer |
75,091 | $0 | $0 | 0 (Direct) |
View |
2022-05-24 Sale |
2022-05-26 5:27 pm |
ANTARES PHARMA INC. | ATRS | Richardson Peter C See Remarks |
50,613 | $5.6 | $283,433 | 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 |
2025-01-01 Exercise |
2025-01-02 5:02 pm |
N/A N/A |
Mallinckrodt plc | Richardson Peter C EVP & Chief Scientific Officer |
3,419 | $0 | 10,258 (Direct) |
View | |
2024-02-02 Option Award |
2024-02-06 4:27 pm |
N/A N/A |
Mallinckrodt plc | Richardson Peter C EVP & Chief Scientific Officer |
10,258 | $0 | 10,258 (Direct) |
View | |
2023-04-03 Option Award |
2023-04-05 7:05 pm |
N/A N/A |
Mallinckrodt plc | MNK | Richardson Peter C EVP & Chief Scientific Officer |
127,861 | $0 | 127,861 (Direct) |
View |
2023-02-02 Option Award |
2023-02-03 1:31 pm |
N/A N/A |
Mallinckrodt plc | MNK | Richardson Peter C EVP & Chief Scientific Officer |
75,091 | $0 | 75,091 (Direct) |
View |
2021-06-10 Option Award |
2021-06-14 6:25 pm |
N/A N/A |
ANTARES PHARMA INC. | ATRS | Richardson Peter C EVP, R&D Chief Medical Officer |
36,199 | $4.42 | 105,236 (Direct) |
View |
2021-06-10 Option Award |
2021-06-14 6:25 pm |
N/A 2031-06-10 |
ANTARES PHARMA INC. | ATRS | Richardson Peter C EVP, R&D Chief Medical Officer |
69,037 | $0 | 105,236 (Direct) |
View |
2021-04-26 Option Award |
2021-04-28 8:40 pm |
N/A 2031-04-26 |
ANTARES PHARMA INC. | ATRS | Richardson Peter C EVP, R&D Chief Medical Officer |
59,179 | $0 | 59,179 (Direct) |
View |