Insider Transactions Reported by 23 Insiders of REGENERON PHARMACEUTICALS, INC.

Symbol
REGN on Nasdaq
Location
Tarrytown, NY

Insiders trading volume in the past year

REGENERON PHARMACEUTICALS, INC. executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
George D. Yancopoulos Bd. Co-Chair, President & CSO, Director $804,491,660 31 Dec 2025
Leonard S. Schleifer Bd. Co-Chair, President & CEO, Director $493,538,603 31 Dec 2025
VAGELOS P ROY Director $444,337,350 03 Apr 2023
Neil E. Stahl EVP Research and Development $43,324,609 16 Dec 2024
Andrew J. Murphy EVP Research $36,595,908 09 Dec 2025
Joseph J. Larosa EVP General Counsel and Secret $29,938,330 05 Dec 2025
George L. Sing Director $25,592,887 02 Jan 2026
Daniel P. van Plew EVP & General Mgr, Industrial $24,589,665 09 Dec 2025
Robert E. Landry EVP Finance CFO $22,918,280 02 Feb 2024
Christopher R. Fenimore EVP Finance CFO $15,475,790 05 Dec 2025
Arthur F. Ryan Director $13,972,623 -$156,402 -1.1% 02 Mar 2026
Marion McCourt EVP Commercial $10,202,879 09 Dec 2025
Michael S. Brown Director $9,930,105 02 Jan 2026
Joseph L. Goldstein Director $5,173,843 02 Jan 2026
Christine A. Poon Director $4,028,389 -$4,252,745 -51% 02 Jan 2026
Jason Pitofsky SVP Controller $3,516,873 -$1,865,824 -35% 09 Feb 2026
Marc Tessier-Lavigne Director $2,315,367 03 Jan 2023
Bonnie L. Bassler Director $1,362,400 -$1,770,000 -57% 07 Jan 2026
Huda Y. Zoghbi Director $1,345,370 -$1,279,812 -49% 19 Feb 2026
N. Anthony Coles Director $1,322,985 02 Jan 2026
Craig B. Thompson Director $598,199 02 Jan 2026
Kathryn Guarini Director $465,437 02 Jan 2026
David P. Schenkein Director $465,437 02 Jan 2026

Recent Insider Transactions by Companies or Individuals for REGENERON PHARMACEUTICALS, INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
Arthur F. Ryan REGN Common Stock Sale -0.56% $78,550 $785.50 -100 17,703 02 Mar 2026 Direct
Huda Y. Zoghbi REGN Common Stock Sale -49% $1,279,812 $781.33 -1,638 1,703 19 Feb 2026 Direct
Huda Y. Zoghbi REGN Common Stock Options Exercise 96.2% 1,638 3,341 19 Feb 2026 Direct
Huda Y. Zoghbi REGN Non-Qualified Stock Option (right to buy) Options Exercise -67.2% -1,638 800 19 Feb 2026 Direct
Jason Pitofsky REGN Common Stock Sale -32.3% $1,585,058 $778.52 -2,036 4,272 09 Feb 2026 Direct
Jason Pitofsky REGN Common Stock Options Exercise 18.8% 1,000 6,308 09 Feb 2026 Direct
Jason Pitofsky REGN Non-Qualified Stock Option (right to buy) Options Exercise -52.5% -1,000 905 09 Feb 2026 Direct
Arthur F. Ryan REGN Common Stock Sale -0.56% $77,853 $778.53 -100 17,803 09 Feb 2026 Direct
Bonnie L. Bassler REGN Common Stock Sale -46.8% $1,200,000 $800.00 -1,500 1,703 07 Jan 2026 Direct
Bonnie L. Bassler REGN Common Stock Options Exercise 88.1% 1,500 3,203 07 Jan 2026 Direct
Bonnie L. Bassler REGN Non-Qualified Stock Option (right to buy) Options Exercise -34.4% -1,500 2,861 07 Jan 2026 Direct
Huda Y. Zoghbi REGN Common Stock Award 10% 155 1,703 02 Jan 2026 Direct
Huda Y. Zoghbi REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
Craig B. Thompson REGN Common Stock Award 25% 155 775 02 Jan 2026 Direct
Craig B. Thompson REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
George L. Sing REGN Common Stock Award 0.5% 155 31,007 02 Jan 2026 Direct
George L. Sing REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
Kathryn Guarini REGN Common Stock Award 34.6% 155 603 02 Jan 2026 Direct
Kathryn Guarini REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
David P. Schenkein REGN Common Stock Award 34.6% 155 603 02 Jan 2026 Direct
David P. Schenkein REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
Joseph L. Goldstein REGN Common Stock Award 2.37% 155 6,703 02 Jan 2026 Direct
Joseph L. Goldstein REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
Arthur F. Ryan REGN Common Stock Award 0.87% 155 17,903 02 Jan 2026 Direct
Arthur F. Ryan REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
N. Anthony Coles REGN Common Stock Award 9.94% 155 1,714 02 Jan 2026 Direct
N. Anthony Coles REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
Michael S. Brown REGN Common Stock Award 10% 155 1,703 02 Jan 2026 Direct
Michael S. Brown REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
Bonnie L. Bassler REGN Common Stock Award 10% 155 1,703 02 Jan 2026 Direct
Bonnie L. Bassler REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
Christine A. Poon REGN Common Stock Award 3.06% 155 5,219 02 Jan 2026 Direct
Christine A. Poon REGN Non-Qualified Stock Option (right to buy) Award 1,962 1,962 02 Jan 2026 Direct
George D. Yancopoulos REGN Common Stock Tax liability -8.43% -28,570 310,460 31 Dec 2025 Direct
George D. Yancopoulos REGN Common Stock Options Exercise 9.2% 28,570 339,030 31 Dec 2025 Direct
George D. Yancopoulos REGN 2020 Performance Stock Units Options Exercise -4.58% -28,570 595,077 31 Dec 2025 Direct
Leonard S. Schleifer REGN Common Stock Tax liability -11.8% -28,570 214,523 31 Dec 2025 Direct
Leonard S. Schleifer REGN Common Stock Options Exercise 13.3% 28,570 243,093 31 Dec 2025 Direct
Leonard S. Schleifer REGN 2020 Performance Stock Units Options Exercise -4.58% -28,570 595,077 31 Dec 2025 Direct
George L. Sing REGN Common Stock Tax liability -16.7% -6,188 30,852 30 Dec 2025 Direct
George L. Sing REGN Common Stock Options Exercise 33.1% 9,212 37,040 30 Dec 2025 Direct
George L. Sing REGN Non-Qualified Stock Option (right to buy) Options Exercise -100% -9,212 0 30 Dec 2025 Direct
Daniel P. van Plew REGN Common Stock Tax liability -10.5% -2,552 21,673 09 Dec 2025 Direct
Andrew J. Murphy REGN Common Stock Tax liability -8.12% -4,229 47,833 09 Dec 2025 Direct
Marion McCourt REGN Common Stock Tax liability -6.64% -1,021 14,349 09 Dec 2025 Direct
George D. Yancopoulos REGN Common Stock Tax liability -29.8% -131,874 310,460 09 Dec 2025 Direct
George D. Yancopoulos REGN Common Stock Options Exercise 49.7% 146,815 442,334 09 Dec 2025 Direct
George D. Yancopoulos REGN Non-Qualified Stock Option (right to buy) Options Exercise -100% -146,815 0 09 Dec 2025 Direct
Leonard S. Schleifer REGN Common Stock Tax liability -42% -155,145 214,523 09 Dec 2025 Direct
Leonard S. Schleifer REGN Common Stock Options Exercise 87.7% 172,723 369,668 09 Dec 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.