Shiferman Gregory L. (CIK 2041689) reported 11 SEC Form 4 insider transactions across 2 companies over the past 18 months (most recent 2026-04-03). Recent activity: Buy VYGR (50,000 shares), Sell SAGE (7,215 shares), Sell SAGE (23,735 shares), Sell SAGE (79 shares), Buy SAGE (525 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-04-03 | Voyager Therapeutics, Inc. (VYGR) | SVP and General Counsel | Buy | 50,000 | $0 |
| 2025-07-31 | Sage Therapeutics, Inc. (SAGE) | See Remarks | Sell | 7,215 | $0 |
| 2025-07-31 | Sage Therapeutics, Inc. (SAGE) | See Remarks | Sell | 23,735 | $0 |
| 2025-06-26 | Sage Therapeutics, Inc. (SAGE) | See Remarks | Sell | 79 | $728 |
| 2025-04-11 | Sage Therapeutics, Inc. (SAGE) | See Remarks | Buy | 525 | $0 |
| 2025-04-11 | Sage Therapeutics, Inc. (SAGE) | See Remarks | Sell | 176 | $1,216 |
| 2025-03-26 | Sage Therapeutics, Inc. (SAGE) | See Remarks | Sell | 79 | $649 |
| 2025-02-25 | Sage Therapeutics, Inc. (SAGE) | See Remarks | Sell | 2,502 | $18,740 |
| 2025-02-14 | Sage Therapeutics, Inc. (SAGE) | See Remarks | Sell | 376 | $2,700 |
| 2025-02-14 | Sage Therapeutics, Inc. (SAGE) | See Remarks | Sell | 251 | $1,802 |
| 2025-01-21 | Sage Therapeutics, Inc. (SAGE) | See Remarks | Buy | 14,000 | $0 |
Source: SEC Form 4 filings · as of 2026-04-03