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 |
|---|---|---|---|---|---|---|
| 2026-11-04 | Pitofsky Jason SVP Controller | Sale | −439 | $939.57 | $412K | 7,716 |
| 2026-11-04 | Pitofsky Jason SVP Controller | Sale | −575 | $940.46 | $541K | 7,141 |
| 2026-11-04 | Pitofsky Jason SVP Controller | Sale | −982 | $941.58 | $925K | 6,159 |
| 2026-11-04 | Pitofsky Jason SVP Controller | Sale | −1,215 | $942.31 | $1.1M | 4,944 |
| 2026-11-04 | Pitofsky Jason SVP Controller | Sale | −529 | $943.53 | $499K | 4,415 |
| 2026-11-04 | Pitofsky Jason SVP Controller | Sale | −108 | $944.22 | $102K | 4,307 |
| 2026-11-04 | Pitofsky Jason SVP Controller | Sale | −35 | $945.61 | $33K | 4,272 |
| 2026-11-04 | Pitofsky Jason SVP Controller | Sale | −179 | $950.76 | $170K | 0 |
| 2026-11-03 | Zoghbi Huda Y Director | Sale | −6,939 | $970.42 | $6.7M | 2,203 |
| 2026-11-03 | Zoghbi Huda Y Director | Sale | −500 | $971.06 | $486K | 1,703 |
| 2026-11-02 | LAROSA JOSEPH J EVP General Counsel and Secret | Sale | −3,939 | $965.41 | $3.8M | 39,433 |
| 2026-11-02 | LAROSA JOSEPH J EVP General Counsel and Secret | Sale | −527 | $966.11 | $509K | 38,906 |
| 2026-11-02 | SING GEORGE L Director | Sale | −1,224 | $960.57 | $1.2M | 45,052 |
| 2026-11-02 | SING GEORGE L Director | Sale | −540 | $961.85 | $519K | 44,512 |
| 2026-11-02 | SING GEORGE L Director | Sale | −2,522 | $962.61 | $2.4M | 41,990 |
| 2026-11-02 | SING GEORGE L Director | Sale | −4,338 | $963.47 | $4.2M | 37,652 |
| 2026-11-02 | SING GEORGE L Director | Sale | −2,670 | $964.57 | $2.6M | 34,982 |
| 2026-11-02 | SING GEORGE L Director | Sale | −7,073 | $965.38 | $6.8M | 27,909 |
| 2026-11-02 | SING GEORGE L Director | Sale | −1,522 | $966.27 | $1.5M | 26,387 |
| 2026-11-02 | SING GEORGE L Director | Sale | −1,040 | $967.07 | $1.0M | 25,347 |
Page 1 of 29 · 569 trades