Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2023-06-12 1:53 pm Sale | 2023-06-09 | 13D | Alkermes plc ALKS | Sarissa Capital Management LP | 0 0.000% | -14,040,000![]() (Position Closed) | Filing History |
| 2023-06-05 08:45 am Unchanged | 2023-06-05 | 13D | Alkermes plc ALKS | Sarissa Capital Management LP | 14,040,000 8.450% | 0 (Unchanged) | Filing History |
| 2023-02-14 12:37 pm Sale | 2022-12-31 | 13G | Alkermes plc ALKS | T. Rowe Price Associates, Inc. | 1,570,313 0.900% | -11,460,087![]() (-87.95%) | Filing History |
| 2023-02-09 11:07 am Purchase | 2022-12-30 | 13G | Alkermes plc ALKS | The Vanguard Group | 18,539,078 11.280% | 1,647,368![]() (+9.75%) | Filing History |
| 2023-02-09 09:02 am Purchase | 2023-01-31 | 13G | Alkermes plc ALKS | BlackRock Inc. BLK | 16,501,073 10.000% | 78,762![]() (+0.48%) | Filing |
| 2023-02-06 2:36 pm Sale | 2022-12-30 | 13G | Alkermes plc ALKS | Wellington Management Group LLP | 6,044,378 3.680% | -5,763,844![]() (-48.81%) | Filing History |
| 2023-02-06 08:00 am Unchanged | 2023-02-03 | 13D | Alkermes plc ALKS | Sarissa Capital Management LP | 14,040,000 8.540% | 0 (Unchanged) | Filing History |
| 2023-01-24 1:56 pm Purchase | 2022-12-31 | 13G | Alkermes plc ALKS | BlackRock Inc. BLK | 16,422,311 9.990% | 2,170,024![]() (+15.23%) | Filing |
| 2022-10-07 5:24 pm Unchanged | 2022-10-06 | 13D | Alkermes plc ALKS | Sarissa Capital Management LP | 14,040,000 8.550% | 0 (Unchanged) | Filing History |
| 2022-07-06 5:15 pm Unchanged | 2022-07-06 | 13D | Alkermes plc ALKS | Sarissa Capital Management LP | 14,040,000 8.550% | 0 (Unchanged) | Filing History |
| 2022-06-10 10:11 am Sale | 2022-05-31 | 13G | Alkermes plc ALKS | T. Rowe Price Associates, Inc. | 13,030,400 7.900% | -8,313,181![]() (-38.95%) | Filing History |
| 2022-02-14 2:34 pm Sale | 2021-12-31 | 13G | Alkermes plc ALKS | T. Rowe Price Associates, Inc. | 21,343,581 13.100% | -2,233,321![]() (-9.47%) | Filing History |
| 2022-02-09 3:16 pm Purchase | 2021-12-31 | 13G | Alkermes plc ALKS | The Vanguard Group | 16,891,710 10.450% | 291,221![]() (+1.75%) | Filing History |
| 2022-02-03 4:41 pm Purchase | 2021-12-31 | 13G | Alkermes plc ALKS | BlackRock Inc. BLK | 14,252,287 8.800% | 5,227,593![]() (+57.93%) | Filing |
| 2022-01-10 4:31 pm Purchase | 2022-01-07 | 13D | Alkermes plc ALKS | Sarissa Capital Management LP | 14,040,000 8.680% | 827,000![]() (+6.26%) | Filing History |
| 2021-11-19 4:15 pm Purchase | 2021-11-18 | 13D | Alkermes plc ALKS | Sarissa Capital Management LP | 13,213,000 8.170% | 68,000![]() (+0.52%) | Filing History |
| 2021-09-10 5:19 pm Purchase | 2021-09-09 | 13D | Alkermes plc ALKS | Sarissa Capital Management LP | 13,145,000 8.150% | 3,675,000![]() (+38.81%) | Filing History |
| 2021-09-10 08:54 am Sale | 2021-08-31 | 13G | Alkermes plc ALKS | Wellington Management Group LLP | 11,808,222 7.320% | -8,729,677![]() (-42.51%) | Filing History |
| 2021-07-12 10:21 am Purchase | 2021-06-30 | 13G | Alkermes plc ALKS | The Vanguard Group | 16,600,489 10.350% | 1,164,013![]() (+7.54%) | Filing History |
| 2021-05-27 5:04 pm Purchase | 2021-05-25 | 13D | Alkermes plc ALKS | Sarissa Capital Management LP | 11,245,000 7.010% | 11,245,000![]() (New Position) | Filing History |

