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
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- Peter Lynch
What is insider trading>>
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2023-02-09 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 CO 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 |
PRICE T ROWE 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 |
PRICE T ROWE 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% |
1,900,000 (+16.90%) |
Filing History |
| 2021-09-10 08:54 am Sale |
2021-08-31 | 13G | Alkermes plc ALKS |
WELLINGTON MANAGEMENT CO 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% |
1,775,000 (+18.74%) |
Filing History |
| 2021-05-10 5:03 pm Purchase |
2021-04-30 | 13D | Alkermes plc ALKS |
Sarissa Capital Management LP | 9,470,000 5.900% |
9,470,000 (New Position) |
Filing History |
| 2021-02-16 12:23 pm Sale |
2020-12-31 | 13G | Alkermes plc ALKS |
PRICE T ROWE ASSOCIATES INC | 23,576,902 14.800% |
-423,654 (-1.77%) |
Filing History |
| 2021-02-10 10:30 am Purchase |
2020-12-31 | 13G | Alkermes plc ALKS |
The Vanguard Group | 15,436,476 9.700% |
688,827 (+4.67%) |
Filing History |
| 2021-02-03 1:13 pm Sale |
2020-12-31 | 13G | Alkermes plc ALKS |
WELLINGTON MANAGEMENT CO LLP | 20,537,899 12.900% |
-1,290,857 (-5.91%) |
Filing History |