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 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>>
| Reported DateTime | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | Filing |
| 2024-11-14 4:39 pm Sale | 13G | bluebird bio Inc. BLUE | Alyeska Investment Group L.P. | 0 0.000% | -6,912,502 (Position Closed) | View |
| 2024-11-14 4:27 pm Sale | 13G | bluebird bio Inc. BLUE | Granahan Investment Management LLC | 0 0.000% | -8,077,697 (Position Closed) | View |
| 2024-11-14 10:32 am Unchanged | 13G | bluebird bio Inc. BLUE | VANGUARD GROUP INC | 10,474,007 5.400% | 0 (Unchanged) | View |
| 2024-11-13 11:12 am Unchanged | 13G | bluebird bio Inc. BLUE | VANGUARD GROUP INC | 10,474,007 5.400% | 0 (Unchanged) | View |
| 2024-11-12 5:02 pm Sale | 13G | bluebird bio Inc. BLUE | GOLDMAN SACHS GROUP INC GS | 2,194,279 1.100% | -9,986,761 (-81.99%) | View |
| 2024-11-08 2:17 pm Unchanged | 13G | bluebird bio Inc. BLUE | BlackRock Inc. BLK | 15,443,767 8.000% | 0 (Unchanged) | View |
| 2024-11-04 1:30 pm Unchanged | 13G | bluebird bio Inc. BLUE | VANGUARD GROUP INC | 10,474,007 5.400% | 0 (Unchanged) | View |
| 2024-11-04 11:43 am Purchase | 13G | bluebird bio Inc. BLUE | VANGUARD GROUP INC | 10,474,007 5.400% | 1,698,628 (+19.36%) | View |
| 2024-10-22 3:24 pm Purchase | 13G | bluebird bio Inc. BLUE | BlackRock Inc. BLK | 15,443,767 8.000% | 6,460,766 (+71.92%) | View |
| 2024-04-10 09:55 am Sale | 13G | bluebird bio Inc. BLUE | STATE STREET CORP STT | 3,428,135 1.800% | -10,437,584 (-75.28%) | View |
| 2024-02-14 4:06 pm Sale | 13G | bluebird bio Inc. BLUE | PFM Health Sciences LP | 2,042,651 1.900% | -3,979,192 (-66.08%) | View |
| 2024-02-14 4:00 pm Sale | 13G | bluebird bio Inc. BLUE | TANG CAPITAL PARTNERS LP | 1,700,000 0.900% | -2,935,528 (-63.33%) | View |
| 2024-02-14 1:54 pm Purchase | 13G | bluebird bio Inc. BLUE | Alyeska Investment Group L.P. | 6,912,502 6.320% | 6,912,502 (New Position) | View |
| 2024-02-14 09:00 am Purchase | 13G | bluebird bio Inc. BLUE | Granahan Investment Management LLC | 8,077,697 7.380% | 8,077,697 (New Position) | View |
| 2024-02-13 5:00 pm Purchase | 13G | bluebird bio Inc. BLUE | VANGUARD GROUP INC | 8,775,379 4.610% | 4,509,059 (+105.69%) | View |
| 2024-02-06 4:49 pm Purchase | 13G | bluebird bio Inc. BLUE | GOLDMAN SACHS GROUP INC GS | 12,181,040 6.400% | 12,181,040 (New Position) | View |
| 2024-01-25 09:11 am Purchase | 13G | bluebird bio Inc. BLUE | STATE STREET CORP STT | 13,865,719 7.280% | 2,182,605 (+18.68%) | View |
| 2024-01-08 4:35 pm Purchase | 13G | bluebird bio Inc. BLUE | BlackRock Inc. BLK | 8,983,001 4.700% | 1,615,820 (+21.93%) | View |
| 2023-04-21 4:08 pm Purchase | 13G | bluebird bio Inc. BLUE | PFM Health Sciences LP | 6,021,843 5.700% | 6,021,843 (New Position) | View |
| 2023-03-10 11:25 am Sale | 13G | bluebird bio Inc. BLUE | STATE STREET CORP STT | 11,683,114 11.030% | -1,076,357 (-8.44%) | View |