Insider · SEC Forms 3, 4, 5
CIK 1494730
All transactions
Every Form 4 row this person reported, newest first
Insider · SEC Forms 3, 4, 5
Every Form 4 row this person reported, newest first
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 |
Source: SEC Form 4 filings · as of 2026-09-03