List of insiders holdings for 2seventy bio Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- 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>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | bluebird bio Inc. 10% Owner | 2021-11-08 20:27:15 | 23,369,088 0 | 23,369,088 | Form 4 |
| 2 | Casdin Capital LLC Casdin Eli Casdin Partners Master Fund L.P. Casdin Partners GP LLC Director | 2024-06-12 14:32:24 | 68,075 2,536,784 | 2,604,859 | Form 4 |
| 3 | Leschly Nick Director | 2025-01-07 16:42:17 | 1,233,606 56,233 | 1,289,839 | Form 4 |
| 4 | Baird William D III President and CEO | 2025-03-19 16:48:27 | 1,121,034 0 | 1,121,034 | Form 4 |
| 5 | Gregory Philip D Chief Scientific Officer | 2024-01-09 16:09:29 | 469,155 0 | 469,155 | Form 4 |
| 6 | Eatwell Victoria Chief Financial Officer | 2025-03-19 16:48:17 | 444,387 0 | 444,387 | Form 4 |
| 7 | Snow Jessica Chief Operating Officer | 2025-03-19 16:49:01 | 254,193 0 | 254,193 | Form 4 |
| 8 | Heffron Nicola Chief Operating Officer | 2023-02-09 16:32:15 | 89,182 0 | 89,182 | Form 4 |
| 9 | Wei Lin Director | 2024-06-12 18:53:34 | 56,950 0 | 56,950 | Form 4 |
| 10 | Torres Denice Director | 2024-06-12 18:51:57 | 55,660 0 | 55,660 | Form 4 |
| 11 | Glickman Sarah JS Director | 2024-06-12 18:53:10 | 51,752 0 | 51,752 | Form 4 |
| 12 | LYNCH DANIEL Director | 2023-06-15 17:02:43 | 37,953 0 | 37,953 | Form 4 |
| 13 | Ibrahim Ramy Director | 2023-06-15 17:03:27 | 35,950 0 | 35,950 | Form 4 |
| 14 | Newton Charles W. Director | 2024-06-12 18:52:24 | 34,675 0 | 34,675 | Form 4 |
| 15 | Maus Marcela V. Director | 2024-11-20 16:12:18 | 23,752 0 | 23,752 | Form 4 |
| 16 | Sellers William R. Director | 2021-11-16 06:48:03 | 10,030 0 | 10,030 | Form 4 |
| 17 | Kynam Global Healthcare Master Fund LP Kynam Fund GP LLC Kynam Capital Management GP LLC Kynam Capital Management LP Tang Yue 10% Owner | 2025-03-17 10:54:33 | 0 0 | 0 | Form 13G |