| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | REGN | Common Stock | Tax liability | $4,373,505 | -5,105 | -25% | $856.71 | 15,336 | 12 Dec 2023 | Direct | |
| holding | REGN | Common Stock | 158 | 12 Dec 2023 | By 401(k) Plan |