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CIK 0000872589 · Large accelerated filer

REGENERON PHARMACEUTICALS, INC.

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Ticker
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.

Pace of trading Bought Sold

Who's trading

90 days

  1. SING GEORGE L −$20.4M Director sold 46% of stake
  2. POON CHRISTINE A −$7.6M Director sold 60% of stake
  3. Zoghbi Huda Y −$7.2M Director sold 81% of stake
  4. LAROSA JOSEPH J −$4.3M EVP General Counsel and Secret sold 10% of stake
  5. Pitofsky Jason −$3.8M SVP Controller sold 100% of stake

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-02-09 Pitofsky Jason SVP Controller Sale 10b5-1 −144 $783.23 $113K 4,326
2026-02-09 Pitofsky Jason SVP Controller Sale 10b5-1 −1 $784.66 $785 4,325
2026-02-09 Pitofsky Jason SVP Controller Sale 10b5-1 −53 $785.72 $42K 4,272
2026-02-09 Pitofsky Jason SVP Controller Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 −1,000 905
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −1 $775.63 $776 17,902
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −10 $776.59 $8K 17,892
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −57 $777.56 $44K 17,835
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −12 $778.53 $9K 17,823
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −5 $779.41 $4K 17,818
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −1 $780.09 $780 17,817
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −5 $781.48 $4K 17,812
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −1 $782.53 $783 17,811
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −3 $783.34 $2K 17,808
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −1 $784.59 $785 17,807
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −1 $785.71 $786 17,806
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −2 $786.29 $2K 17,804
2026-02-09 RYAN ARTHUR F Director Sale 10b5-1 −1 $787.82 $788 17,803
2026-01-07 Bassler Bonnie L Director Option exercise 10b5-1 +1,500 $374.12 $561K 3,203
2026-01-07 Bassler Bonnie L Director Sale 10b5-1 −1,500 $800.00 $1.2M 1,703
2026-01-07 Bassler Bonnie L Director Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 −1,500 2,861

Page 9 of 49 · 971 trades