| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| POON CHRISTINE A | Director | 777 OLD SAW MILL RIVER ROAD, TARRYTOWN | /s/ Christine A. Poon | 31 Oct 2025 | 0001189014 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | REGN | Common Stock | Options Exercise | $3,380,065 | +6,500 | +276% | $520.01 | 8,852 | 29 Oct 2025 | Direct | |
| transaction | REGN | Common Stock | Sale | $424,242 | -650 | -7.3% | $652.68 | 8,202 | 29 Oct 2025 | Direct | F1 |
| transaction | REGN | Common Stock | Sale | $1,787,322 | -2,735 | -33% | $653.50 | 5,467 | 29 Oct 2025 | Direct | F2 |
| transaction | REGN | Common Stock | Sale | $1,253,214 | -1,915 | -35% | $654.42 | 3,552 | 29 Oct 2025 | Direct | F3 |
| transaction | REGN | Common Stock | Sale | $65,510 | -100 | -2.8% | $655.10 | 3,452 | 29 Oct 2025 | Direct | F4 |
| transaction | REGN | Common Stock | Sale | $467,428 | -712 | -21% | $656.50 | 2,740 | 29 Oct 2025 | Direct | F5 |
| transaction | REGN | Common Stock | Sale | $255,029 | -388 | -14% | $657.29 | 2,352 | 29 Oct 2025 | Direct | F6 |
| transaction | REGN | Common Stock | Options Exercise | $1,410,267 | +2,712 | +115% | $520.01 | 5,064 | 30 Oct 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 | -6,500 | -71% | $0.000000 | 2,712 | 29 Oct 2025 | Common Stock | 6,500 | $520.01 | Direct | F7 |
| transaction | REGN | Non-Qualified Stock Option (right to buy) | Options Exercise | $0 | -2,712 | -100% | $0.000000 | 0 | 30 Oct 2025 | Common Stock | 2,712 | $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. |