Guarini Kathryn (CIK 1992352) reported 1 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-01-06). Recent activity: Buy REGN (155 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-06 | REGENERON PHARMACEUTICALS, INC. (REGN) | Director | Buy | 155 | $0 |
Source: SEC Form 4 filings · as of 2026-01-06