18 insiders reported 60 Form 4 transactions for 2seventy bio, Inc. (TSVT) over the past 18 months (most recent 2025-05-15). Recent activity: Wei Lin (Director) Sell 17,583 shares, Casdin Partners GP, LLC (Director) Sell 2.0M shares, Glickman Sarah JS (Director) Sell 12,050 shares, Glickman Sarah JS (Director) Sell 15,602 shares, Eatwell Victoria (Chief Financial Officer) Sell 401,111 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-05-15 | Wei Lin | Director | Sell | 17,583 | $0 |
| 2025-05-15 | Casdin Partners GP, LLC | Director | Sell | 2.0M | $10.0M |
| 2025-05-15 | Glickman Sarah JS | Director | Sell | 12,050 | $0 |
| 2025-05-15 | Glickman Sarah JS | Director | Sell | 15,602 | $0 |
| 2025-05-15 | Eatwell Victoria | Chief Financial Officer | Sell | 401,111 | $0 |
| 2025-05-15 | Eatwell Victoria | Chief Financial Officer | Sell | 43,276 | $0 |
| 2025-05-15 | Torres Denice | Director | Sell | 12,050 | $0 |
| 2025-05-15 | Wei Lin | Director | Sell | 15,267 | $0 |
| 2025-05-15 | Snow Jessica | Chief Operating Officer | Sell | 247,230 | $0 |
| 2025-05-15 | Snow Jessica | Chief Operating Officer | Sell | 11,064 | $0 |
| 2025-05-15 | Newton Charles W. | Director | Sell | 17,092 | $0 |
| 2025-05-15 | Newton Charles W. | Director | Sell | 5,533 | $0 |
| 2025-05-15 | Baird William D III | President and CEO | Sell | 1.0M | $0 |
| 2025-05-15 | Baird William D III | President and CEO | Sell | 118,209 | $0 |
| 2025-05-15 | Casdin Partners Master Fund, L.P. | Director | Sell | 22,625 | $113,125 |
| 2025-05-15 | Casdin Partners GP, LLC | Director | Sell | 22,625 | $113,125 |
| 2025-05-15 | Casdin Eli | Director | Sell | 22,625 | $113,125 |
| 2025-05-15 | Casdin Capital, LLC | Director | Sell | 22,625 | $113,125 |
| 2025-05-15 | Casdin Eli | Director | Sell | 2.0M | $10.0M |
| 2025-05-15 | Leschly Nick | Director | Sell | 15,233 | $0 |
| 2025-05-15 | Casdin Capital, LLC | Director | Sell | 2.0M | $10.0M |
| 2025-05-15 | Casdin Partners Master Fund, L.P. | Director | Sell | 2.0M | $10.0M |
| 2025-05-15 | Leschly Nick | Director | Sell | 335,964 | $0 |
| 2025-05-15 | Leschly Nick | Director | Sell | 897,642 | $0 |
| 2025-05-15 | Torres Denice | Director | Sell | 19,510 | $0 |
Source: SEC Form 4 filings · as of 2025-05-15
