Guarini Kathryn (CIK 1992352) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-09-03). Recent activity: Buy REGN (400 shares), Sell REGN (400 shares), Buy REGN (400 shares), Sell REGN (400 shares), Buy REGN (155 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-03 | REGENERON PHARMACEUTICALS, INC. (REGN) | Director | Buy | 400 | $287,748 |
| 2026-09-03 | REGENERON PHARMACEUTICALS, INC. (REGN) | Director | Sell | 400 | $340,000 |
| 2026-08-12 | REGENERON PHARMACEUTICALS, INC. (REGN) | Director | Buy | 400 | $287,748 |
| 2026-08-12 | REGENERON PHARMACEUTICALS, INC. (REGN) | Director | Sell | 400 | $320,000 |
| 2026-01-06 | REGENERON PHARMACEUTICALS, INC. (REGN) | Director | Buy | 155 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-03