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 |
| 2026-05-15 10:07 am Sale | 2026-03-31 | 13G | ALKERMES PLC ALKS | T. Rowe Price Associates, Inc. | 4,664,563 2.800% | -5,377,337 (-53.55%) | Filing History |
| 2026-04-28 2:46 pm Purchase | 2026-03-31 | 13G | ALKERMES PLC ALKS | Vanguard Portfolio Management | 9,647,056 5.800% | 9,647,056 (New Position) | Filing History |
| 2026-04-28 11:17 am Purchase | 2026-03-31 | 13G | ALKERMES PLC ALKS | Vanguard Capital Management | 8,676,888 5.210% | 8,676,888 (New Position) | Filing History |
| 2026-03-26 1:06 pm Sale | 2026-03-13 | 13G | ALKERMES PLC ALKS | VANGUARD GROUP INC | 0 0.000% | -18,971,637 (Position Closed) | Filing History |
| 2026-02-17 4:25 pm Purchase | 2025-12-31 | 13G | ALKERMES PLC ALKS | Baker Bros. Advisors LP | 10,012,267 6.100% | 10,012,267 (New Position) | Filing History |
| 2025-11-10 08:14 am Purchase | 2025-09-30 | 13G | ALKERMES PLC ALKS | STATE STREET CORP STT | 8,540,351 5.200% | 517,681 (+6.45%) | Filing History |
| 2025-08-14 1:07 pm Sale | 2025-06-30 | 13G | ALKERMES PLC ALKS | T. Rowe Price Associates, Inc. | 10,041,900 6.100% | -2,956,706 (-22.75%) | Filing History |
| 2025-05-13 10:23 am Sale | 2025-03-31 | 13G | ALKERMES PLC ALKS | STATE STREET CORP STT | 8,022,670 4.900% | -1,330,300 (-14.22%) | Filing History |
| 2025-04-28 09:00 am Sale | 2025-03-31 | 13G | ALKERMES PLC ALKS | BlackRock, Inc. BLK | 25,638,477 15.800% | -4,382,835 (-14.60%) | Filing History |
| 2025-02-10 10:25 am Sale | 2024-12-31 | 13G | ALKERMES PLC ALKS | Wellington Management Group LLP | 7,012,483 4.300% | -5,645,762 (-44.60%) | Filing History |
| 2024-11-14 1:22 pm Purchase | 2024-09-30 | 13G | ALKERMES PLC ALKS | T. Rowe Price Associates, Inc. | 12,998,606 7.900% | 11,428,293 (+727.77%) | Filing History |
| 2024-11-12 1:28 pm Unchanged | 2024-09-30 | 13G | ALKERMES PLC ALKS | VANGUARD GROUP INC | 18,971,637 11.520% | 0 (Unchanged) | Filing History |
| 2024-11-08 10:46 am Sale | 2024-09-30 | 13G | ALKERMES PLC ALKS | Wellington Management Group LLP | 12,658,245 7.690% | -2,583,225 (-16.95%) | Filing History |
| 2024-11-04 10:58 am Sale | 2024-09-30 | 13G | ALKERMES PLC ALKS | VANGUARD GROUP INC | 18,971,637 11.520% | -1,983,817 (-9.47%) | Filing History |
| 2024-02-13 4:59 pm Purchase | 2023-12-29 | 13G | ALKERMES PLC ALKS | VANGUARD GROUP INC | 20,955,454 12.560% | 2,416,376 (+13.03%) | Filing History |
| 2024-02-08 10:03 am Purchase | 2023-12-29 | 13G | ALKERMES PLC ALKS | Wellington Management Group LLP | 15,241,470 9.130% | 9,197,092 (+152.16%) | Filing History |
| 2024-01-24 09:53 am Purchase | 2023-12-31 | 13G | ALKERMES INC ALKS | STATE STREET CORP STT | 9,352,970 5.600% | 9,352,970 (New Position) | Filing History |
| 2024-01-08 4:35 pm Purchase | 2023-12-31 | 13G | ALKERMES PLC ALKS | BlackRock, Inc. BLK | 30,021,312 18.000% | 13,520,239 (+81.94%) | Filing |
| 2023-08-24 5:18 pm Purchase | 2023-08-23 | 13D | ALKERMES PLC ALKS | Sarissa Capital Management LP | 8,323,400 4.997% | 8,323,400 (New Position) | Filing History |
| 2023-06-28 08:00 am Unchanged | 2023-06-28 | 13D | ALKERMES PLC ALKS | Sarissa Capital Management LP | 0 0.000% | 0 (Unchanged) | Filing History |