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 |
|---|---|---|---|---|---|---|
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −14 | $759.96 | $11K | 51,885 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −74 | $760.65 | $56K | 51,811 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −27 | $761.36 | $21K | 51,784 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −55 | $762.57 | $42K | 51,729 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −25 | $763.76 | $19K | 51,704 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −219 | $764.40 | $167K | 51,485 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −271 | $765.39 | $207K | 51,214 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −279 | $766.47 | $214K | 50,935 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −192 | $767.39 | $147K | 50,743 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −105 | $768.33 | $81K | 50,638 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −127 | $769.30 | $98K | 50,511 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −12 | $770.20 | $9K | 50,499 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −283 | $771.56 | $218K | 50,216 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −211 | $772.56 | $163K | 50,005 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −224 | $773.40 | $173K | 49,781 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −121 | $774.48 | $94K | 49,660 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −376 | $775.46 | $292K | 49,284 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −66 | $776.31 | $51K | 49,218 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −38 | $777.76 | $30K | 49,180 |
| 2026-10-14 | MURPHY ANDREW J Co-Chief Scientific Officer | Sale 10b5-1 | −454 | $778.64 | $354K | 48,726 |
Page 4 of 49 · 971 trades