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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
2026-08-10 Zoghbi Huda Y Director Option exercise 10b5-1 +800 $376.69 $301K 2,503
2026-08-10 Zoghbi Huda Y Director Sale 10b5-1 −800 $800.00 $640K 1,703
2026-08-10 Zoghbi Huda Y Director Option exercise · Non-Qualified Stock Option (right to buy) 10b5-1 −800 0
2026-07-02 RYAN ARTHUR F Director Sale 10b5-1 −200 $650.15 $130K 17,303
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −5 $701.76 $4K 17,598
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −15 $702.46 $11K 17,583
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −24 $703.46 $17K 17,559
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −15 $704.28 $11K 17,544
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −14 $705.56 $10K 17,530
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −7 $706.74 $5K 17,523
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −4 $707.40 $3K 17,519
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −6 $709.45 $4K 17,513
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −2 $710.87 $1K 17,511
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −5 $711.49 $4K 17,506
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −1 $712.09 $712 17,505
2026-05-01 RYAN ARTHUR F Director Sale 10b5-1 −2 $714.13 $1K 17,503
2026-04-01 RYAN ARTHUR F Director Sale 10b5-1 −1 $771.32 $771 17,702
2026-04-01 RYAN ARTHUR F Director Sale 10b5-1 −3 $772.76 $2K 17,699
2026-04-01 RYAN ARTHUR F Director Sale 10b5-1 −8 $773.59 $6K 17,691
2026-04-01 RYAN ARTHUR F Director Sale 10b5-1 −8 $774.58 $6K 17,683

Page 6 of 49 · 971 trades