| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| POON CHRISTINE A | Director | 777 OLD SAW MILL RIVER ROAD, TARRYTOWN | /s/ Christine A. Poon | 2025-10-31 | 0001189014 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | REGN | Common Stock | Options Exercise | $3.38M | +6.5K | +276.36% | $520.01 | 8.85K | Oct 29, 2025 | Direct | |
| transaction | REGN | Common Stock | Sale | -$424K | -650 | -7.34% | $652.68 | 8.2K | Oct 29, 2025 | Direct | F1 |
| transaction | REGN | Common Stock | Sale | -$1.79M | -2.74K | -33.35% | $653.50 | 5.47K | Oct 29, 2025 | Direct | F2 |
| transaction | REGN | Common Stock | Sale | -$1.25M | -1.92K | -35.03% | $654.42 | 3.55K | Oct 29, 2025 | Direct | F3 |
| transaction | REGN | Common Stock | Sale | -$65.5K | -100 | -2.82% | $655.10 | 3.45K | Oct 29, 2025 | Direct | F4 |
| transaction | REGN | Common Stock | Sale | -$467K | -712 | -20.63% | $656.50 | 2.74K | Oct 29, 2025 | Direct | F5 |
| transaction | REGN | Common Stock | Sale | -$255K | -388 | -14.16% | $657.29 | 2.35K | Oct 29, 2025 | Direct | F6 |
| transaction | REGN | Common Stock | Options Exercise | $1.41M | +2.71K | +115.31% | $520.01 | 5.06K | Oct 30, 2025 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | REGN | Non-Qualified Stock Option (right to buy) | Options Exercise | $0 | -6.5K | -70.56% | $0.00 | 2.71K | Oct 29, 2025 | Common Stock | 6.5K | $520.01 | Direct | F7 |
| transaction | REGN | Non-Qualified Stock Option (right to buy) | Options Exercise | $0 | -2.71K | -100% | $0.00 | 0 | Oct 30, 2025 | Common Stock | 2.71K | $520.01 | Direct | F7 |
| Id | Content |
|---|---|
| F1 | Represents volume-weighted average price of sales of 650 shares of Company stock on October 29, 2025 at prices ranging from $652.31 to $652.94. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on October 29, 2025 at each separate price. |
| F2 | Represents volume-weighted average price of sales of 2,735 shares of Company stock on October 29, 2025 at prices ranging from $653.05 to $653.98. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on October 29, 2025 at each separate price. |
| F3 | Represents volume-weighted average price of sales of 1,915 shares of Company stock on October 29, 2025 at prices ranging from $654.01 to $654.93. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on October 29, 2025 at each separate price. |
| F4 | Represents volume-weighted average price of sales of 100 shares of Company stock on October 29, 2025 at prices ranging from $655.02 to $655.16. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on October 29, 2025 at each separate price. |
| F5 | Represents volume-weighted average price of sales of 712 shares of Company stock on October 29, 2025 at prices ranging from $656.33 to $656.93. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on October 29, 2025 at each separate price. |
| F6 | Represents volume-weighted average price of sales of 388 shares of Company stock on October 29, 2025 at prices ranging from $657.02 to $657.78. Upon request by the Commission staff, the Company, or a security holder of the Company, the reporting person will provide full information regarding the number of shares sold by the reporting person on October 29, 2025 at each separate price. |
| F7 | The stock option vested in three equal annual installments, commencing one year after the date of grant. |