REGN

REGN · Regeneron Pharmaceuticals Inc. Common Stock

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Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.

October 17, 2026

Regeneron Gets EU Approval for Libtayo Dosing, UBS Upgrades Stock. Regeneron received a positive recommendation from the EU's CHMP for an updated Libtayo dosing regimen across all approved cancer types. This regulatory progress follows strong earnings and new Phase III data for a treatment for FOP. UBS recently upgraded the stock to Buy and raised its price target to $978, citing the company's potential value.

this person other insiders at REGN

Insiders & Stakes

George Yancopoulos
President and Chief Scientific
310,460
Shares held
Leonard S. Schleifer
President & CEO
214,523
Shares held
VAGELOS P ROY
Director
125,493
Shares held
STAHL NEIL
EVP Research and Development
48,829
Shares held
Andrew J. Murphy
EVP Research
47,833
Shares held
Joseph J. Larosa
EVP General Counsel and Secret
36,373
Shares held
George L. Sing
Director
31,007
Shares held
Robert E. Landry
EVP Finance CFO
23,693
Shares held
Van Plew Daniel P
EVP & General Mgr, Industrial
21,673
Shares held
Christopher R. Fenimore
SVP Controller
19,984
Shares held
Arthur F. Ryan
Director
17,303
Shares held
Marion McCourt
EVP Commercial
12,003
Shares held
Joseph L. Goldstein
Director
6,703
Shares held
Christine A. Poon
Director
5,219
Shares held
Jason Pitofsky
VP Controller
4,272
Shares held
Tessier-Lavigne Marc
Director
2,434
Shares held
N. Anthony Coles
Director
1,714
Shares held
Huda Y. Zoghbi
Director
1,703
Shares held
Bonnie L. Bassler
Director
1,703
Shares held
Michael S. Brown
Director
1,703
Shares held
Craig B. Thompson
Director
775
Shares held
Kathryn Guarini
Director
603
Shares held
David P. Schenkein
Director
603
Shares held

Transaction History

Marion McCourt▼ Sell$970K
Marion McCourt▼ Sell$1.0M
Kathryn Guarini▲ Buy$288K
Kathryn Guarini▼ Sell$340K
Joseph J. Larosa▲ Buy$4.7M
Joseph J. Larosa▼ Sell$7.5M
Christopher R. Fenimore▲ Buy$2.4M
Christopher R. Fenimore▼ Sell$3.7M
Kathryn Guarini▲ Buy$288K
Kathryn Guarini▼ Sell$320K
Huda Y. Zoghbi▲ Buy$301K
Huda Y. Zoghbi▼ Sell$640K
Arthur F. Ryan▼ Sell$130K
Arthur F. Ryan▼ Sell$4K
Arthur F. Ryan▼ Sell$11K
Arthur F. Ryan▼ Sell$17K
Arthur F. Ryan▼ Sell$11K
Arthur F. Ryan▼ Sell$10K
Arthur F. Ryan▼ Sell$5K
Arthur F. Ryan▼ Sell$3K
Arthur F. Ryan▼ Sell$4K
Arthur F. Ryan▼ Sell$1K
Arthur F. Ryan▼ Sell$4K
Arthur F. Ryan▼ Sell$712
Arthur F. Ryan▼ Sell$1K
Arthur F. Ryan▼ Sell$11K
Arthur F. Ryan▼ Sell$10K
Arthur F. Ryan▼ Sell$7K
Arthur F. Ryan▼ Sell$31K
Arthur F. Ryan▼ Sell$771
Arthur F. Ryan▼ Sell$6K
Arthur F. Ryan▼ Sell$6K
Arthur F. Ryan▼ Sell$2K
Arthur F. Ryan▼ Sell$3K
Arthur F. Ryan▼ Sell$5K
Arthur F. Ryan▼ Sell$2K
Arthur F. Ryan▼ Sell$4K
Arthur F. Ryan▼ Sell$2K
Arthur F. Ryan▼ Sell$2K
Arthur F. Ryan▼ Sell$2K
Arthur F. Ryan▼ Sell$8K
Arthur F. Ryan▼ Sell$7K
Arthur F. Ryan▼ Sell$9K
Arthur F. Ryan▼ Sell$6K
Arthur F. Ryan▼ Sell$2K
Arthur F. Ryan▼ Sell$16K
Arthur F. Ryan▼ Sell$16K
Huda Y. Zoghbi▼ Sell$163K
Huda Y. Zoghbi▲ Buy$617K
Huda Y. Zoghbi▼ Sell$233K
Huda Y. Zoghbi▼ Sell$44K
Huda Y. Zoghbi▼ Sell$38K
Huda Y. Zoghbi▼ Sell$39K
Huda Y. Zoghbi▼ Sell$41K
Huda Y. Zoghbi▼ Sell$162K
Huda Y. Zoghbi▼ Sell$258K
Huda Y. Zoghbi▼ Sell$126K
Huda Y. Zoghbi▼ Sell$172K
Huda Y. Zoghbi▼ Sell$3K
Jason Pitofsky▲ Buy$492K
Jason Pitofsky▼ Sell$16K
Jason Pitofsky▼ Sell$405K
Jason Pitofsky▼ Sell$438K
Jason Pitofsky▼ Sell$160K
Jason Pitofsky▼ Sell$59K
Jason Pitofsky▼ Sell$20K
Jason Pitofsky▼ Sell$29K
Arthur F. Ryan▼ Sell$2K
Arthur F. Ryan▼ Sell$785
Arthur F. Ryan▼ Sell$786
Arthur F. Ryan▼ Sell$2K
Jason Pitofsky▼ Sell$113K
Jason Pitofsky▼ Sell$785
Jason Pitofsky▼ Sell$42K
Arthur F. Ryan▼ Sell$776
Arthur F. Ryan▼ Sell$8K
Arthur F. Ryan▼ Sell$44K
Arthur F. Ryan▼ Sell$9K
Arthur F. Ryan▼ Sell$4K
Arthur F. Ryan▼ Sell$780
Arthur F. Ryan▼ Sell$4K
Jason Pitofsky▼ Sell$304K
Arthur F. Ryan▼ Sell$783
Arthur F. Ryan▼ Sell$788
Bonnie L. Bassler▲ Buy$561K
Bonnie L. Bassler▼ Sell$1.2M
Kathryn Guarini▲ Buy$0
Joseph L. Goldstein▲ Buy$0
Arthur F. Ryan▲ Buy$0
N. Anthony Coles▲ Buy$0
Bonnie L. Bassler▲ Buy$0
George L. Sing▲ Buy$0
Christine A. Poon▲ Buy$0
Michael S. Brown▲ Buy$0
Craig B. Thompson▲ Buy$0
Huda Y. Zoghbi▲ Buy$0
David P. Schenkein▲ Buy$0
George Yancopoulos▼ Sell$22.1M
Leonard S. Schleifer▲ Buy$0
Leonard S. Schleifer▼ Sell$22.1M
George Yancopoulos▲ Buy$0
George L. Sing▲ Buy$4.8M
George L. Sing▼ Sell$4.8M
Leonard S. Schleifer▼ Sell$108.8M
Leonard S. Schleifer▲ Buy$96.0M
Van Plew Daniel P▼ Sell$1.8M
Andrew J. Murphy▼ Sell$3.0M
Marion McCourt▼ Sell$716K
George Yancopoulos▲ Buy$81.6M
George Yancopoulos▼ Sell$92.5M
Jason Pitofsky▼ Sell$705K
Van Plew Daniel P▼ Sell$1.4M
Andrew J. Murphy▼ Sell$1.2M
Joseph J. Larosa▼ Sell$995K
Christopher R. Fenimore▼ Sell$707K
Marion McCourt▼ Sell$952K
Jason Pitofsky▲ Buy$0
Van Plew Daniel P▲ Buy$0
Andrew J. Murphy▲ Buy$0
Marion McCourt▲ Buy$0
Christopher R. Fenimore▲ Buy$0
Joseph J. Larosa▲ Buy$0
Joseph J. Larosa▲ Buy$8.0M
Joseph J. Larosa▼ Sell$9.3M
Bonnie L. Bassler▲ Buy$282K
Bonnie L. Bassler▼ Sell$570K
Jason Pitofsky▼ Sell$281K
Christine A. Poon▲ Buy$1.4M
Andrew J. Murphy▼ Sell$0
Christine A. Poon▼ Sell$424K
Christine A. Poon▲ Buy$3.4M
Christine A. Poon▼ Sell$1.8M
Christine A. Poon▼ Sell$1.3M
Christine A. Poon▼ Sell$66K
Christine A. Poon▼ Sell$467K
Christine A. Poon▼ Sell$255K
Andrew J. Murphy▲ Buy$19.4M
Andrew J. Murphy▼ Sell$21.1M
George L. Sing▲ Buy$0
David P. Schenkein▲ Buy$0
Craig B. Thompson▲ Buy$0
N. Anthony Coles▲ Buy$0
Huda Y. Zoghbi▲ Buy$0
Arthur F. Ryan▲ Buy$0
Christine A. Poon▲ Buy$0
Kathryn Guarini▲ Buy$0
Joseph L. Goldstein▲ Buy$0
Michael S. Brown▲ Buy$0
Bonnie L. Bassler▲ Buy$0
George L. Sing▼ Sell$1.4M
George L. Sing▲ Buy$1.4M
Christine A. Poon▼ Sell$0
Van Plew Daniel P▼ Sell$708K
STAHL NEIL▼ Sell$222K
Andrew J. Murphy▼ Sell$770K
Marion McCourt▼ Sell$555K
Jason Pitofsky▼ Sell$218K
Joseph J. Larosa▼ Sell$513K
Christopher R. Fenimore▼ Sell$359K
Jason Pitofsky▼ Sell$117K
Christopher R. Fenimore▼ Sell$897K
STAHL NEIL▼ Sell$367K
Van Plew Daniel P▼ Sell$387K
Andrew J. Murphy▼ Sell$387K
Marion McCourt▼ Sell$216K
Joseph J. Larosa▼ Sell$387K
Jason Pitofsky▲ Buy$0
Christopher R. Fenimore▲ Buy$0
Van Plew Daniel P▲ Buy$0
Andrew J. Murphy▲ Buy$0
Marion McCourt▲ Buy$0
Joseph J. Larosa▲ Buy$0
Andrew J. Murphy▼ Sell$0
Marion McCourt▲ Buy$381K
Marion McCourt▼ Sell$845K
Arthur F. Ryan▼ Sell$4K
Arthur F. Ryan▼ Sell$2K
Arthur F. Ryan▼ Sell$2K
Arthur F. Ryan▼ Sell$3K
Arthur F. Ryan▼ Sell$3K
Arthur F. Ryan▼ Sell$4K
Arthur F. Ryan▼ Sell$3K
Arthur F. Ryan▼ Sell$1K
Arthur F. Ryan▼ Sell$5K
Arthur F. Ryan▼ Sell$9K
Arthur F. Ryan▼ Sell$7K
Arthur F. Ryan▼ Sell$9K
Arthur F. Ryan▼ Sell$13K
Arthur F. Ryan▼ Sell$13K
Arthur F. Ryan▼ Sell$9K
Arthur F. Ryan▼ Sell$6K
Arthur F. Ryan▼ Sell$9K
Marion McCourt▲ Buy$381K
Marion McCourt▼ Sell$1.1M
George L. Sing▼ Sell$0
Arthur F. Ryan▼ Sell$9K
Arthur F. Ryan▼ Sell$6K
Arthur F. Ryan▼ Sell$5K
Arthur F. Ryan▼ Sell$5K
Arthur F. Ryan▼ Sell$9K

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