Form 4 for REGN Regeneron Pharmaceuticals
Accepted 2025-10-31 00:00:00 ET · period of report 2025-10-29 · accession 0001189014-25-000005 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-10-31 | 2025-10-29 | REGN | POON CHRISTINE A | Dir | S - Sale+OE | $654.27 | -6,500 | 3,552 | -65% | -$4.25M |
| DM | 2025-10-31 | 2025-10-29+ | REGN | POON CHRISTINE A | Dir | M - OptEx | $520.01 | +9,212 | 8,852 | New | +$4.79M |
| DM | 2025-10-31 | 2025-10-29+ | REGN | POON CHRISTINE A | Dir | M - OptEx | $0.00 | -9,212 | 2,712 | -77% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-10-29 | S | D | 2,735 | $653.50 | 5,467 | D | — | — | (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. |
| 2 | Common | Common Stock | 2025-10-29 | S | D | 650 | $652.68 | 8,202 | D | — | — | (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. |
| 3 | Common | Common Stock | 2025-10-29 | S | D | 388 | $657.29 | 2,352 | D | — | — | (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. |
| 4 | Common | Common Stock | 2025-10-30 | M | A | 2,712 | $520.01 | 5,064 | D | — | — | |
| 5 | Common | Common Stock | 2025-10-29 | S | D | 712 | $656.50 | 2,740 | D | — | — | (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. |
| 6 | Common | Common Stock | 2025-10-29 | M | A | 6,500 | $520.01 | 8,852 | D | — | — | |
| 7 | Common | Common Stock | 2025-10-29 | S | D | 100 | $655.10 | 3,452 | D | — | — | (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. |
| 8 | Common | Common Stock | 2025-10-29 | S | D | 1,915 | $654.42 | 3,552 | D | — | — | (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. |
| 9 | Derivative | Non-Qualified Stock Option (right to buy) | 2025-10-30 | M | D | 2,712 | $0.00 | 0 | D | $520.01 · — to 2026-01-04 | 2,712 Common Stock | (F7) The stock option vested in three equal annual installments, commencing one year after the date of grant. |
| 10 | Derivative | Non-Qualified Stock Option (right to buy) | 2025-10-29 | M | D | 6,500 | $0.00 | 2,712 | D | $520.01 · — to 2026-01-04 | 6,500 Common Stock | (F7) The stock option vested in three equal annual installments, commencing one year after the date of grant. |