CIK 0000872589 · Large accelerated filer
REGENERON PHARMACEUTICALS, INC.
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- REGN
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- NY
- Entity type
- operating
- EIN
- 133444607
- Phone
- 9148477000
- Business address
- 777 OLD SAW MILL RIVER ROAD, TARRYTOWN, NY, 10591
- Former names
- REGENERON PHARMACEUTICALS INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $51,901,544
- in 11 filings, $8.6M under 10b5-1 plans
Net −$51,901,544. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-11-20 | Bassler Bonnie L Director | Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 | −760 | 756 | ||
| 2025-11-20 | LAROSA JOSEPH J EVP General Counsel and Secret | Option exercise | +14,450 | $555.67 | $8.0M | 35,525 |
| 2025-11-20 | LAROSA JOSEPH J EVP General Counsel and Secret | Shares withheld for taxes | −12,686 | $736.77 | $9.3M | 22,839 |
| 2025-11-20 | LAROSA JOSEPH J EVP General Counsel and Secret | Option exercise · Non-Qualified Stock Option (right to buy) | −14,450 | 0 | ||
| 2025-11-07 | Pitofsky Jason VP Controller | Sale | −431 | $651.43 | $281K | 4,233 |
| 2025-10-30 | MURPHY ANDREW J EVP Research | Gift | −1,538 | 50,046 | ||
| 2025-10-30 | POON CHRISTINE A Director | Option exercise | +2,712 | $520.01 | $1.4M | 5,064 |
| 2025-10-30 | POON CHRISTINE A Director | Option exercise · Non-Qualified Stock Option (right to buy) | −2,712 | 0 | ||
| 2025-10-29 | MURPHY ANDREW J EVP Research | Option exercise | +35,000 | $555.67 | $19.4M | 84,074 |
| 2025-10-29 | MURPHY ANDREW J EVP Research | Shares withheld for taxes | −32,490 | $648.82 | $21.1M | 51,584 |
| 2025-10-29 | MURPHY ANDREW J EVP Research | Option exercise · Non-Qualified Stock Option (right to buy) | −35,000 | 0 | ||
| 2025-10-29 | POON CHRISTINE A Director | Option exercise | +6,500 | $520.01 | $3.4M | 8,852 |
| 2025-10-29 | POON CHRISTINE A Director | Sale | −650 | $652.68 | $424K | 8,202 |
| 2025-10-29 | POON CHRISTINE A Director | Sale | −2,735 | $653.50 | $1.8M | 5,467 |
| 2025-10-29 | POON CHRISTINE A Director | Sale | −1,915 | $654.42 | $1.3M | 3,552 |
| 2025-10-29 | POON CHRISTINE A Director | Sale | −100 | $655.10 | $66K | 3,452 |
| 2025-10-29 | POON CHRISTINE A Director | Sale | −712 | $656.50 | $467K | 2,740 |
| 2025-10-29 | POON CHRISTINE A Director | Sale | −388 | $657.29 | $255K | 2,352 |
| 2025-10-29 | POON CHRISTINE A Director | Option exercise · Non-Qualified Stock Option (right to buy) | −6,500 | 2,712 | ||
| 2025-01-02 | Schenkein David P Director | Grant or award | +166 | 448 |
Page 13 of 49 · 971 trades