SING GEORGE L (CIK 1225471) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-06). Recent activity: Buy REGN (155 shares), Buy REGN (9,212 shares), Sell REGN (6,188 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-06 | REGENERON PHARMACEUTICALS, INC. (REGN) | Director | Buy | 155 | $0 |
| 2025-12-31 | REGENERON PHARMACEUTICALS, INC. (REGN) | Director | Buy | 9,212 | $4.8M |
| 2025-12-31 | REGENERON PHARMACEUTICALS, INC. (REGN) | Director | Sell | 6,188 | $4.8M |
Source: SEC Form 4 filings · as of 2026-01-06