Regeneron Pharmaceuticals, Inc. is a biotechnology company, which engages in the discovery, invention, development, manufacture, and commercialization of medicines. Its product portfolio includes the following brands: Dupixent, Evkeeza, Eylea, Inmazeb, and Kevzara. The firm accelerates the traditional drug development process through its proprietary VelociSuite technologies such as VelocImmune, which uses unique genetically humanized mice to produce optimized fully human antibodies and bispecific antibodies. The company was founded by Alferd G. Gilman, Leonard S. Schleifer, George Damis Yancopoulos, and Eric M. Shooter on January 8, 1988, and is headquartered in Tarrytown, NY. |  |
|
 | Ph.D.Dr. Leonard S. Schleifer M.D. Ph.D.Dr. George D. Yancopoulos M.D. Executive VP of Finance & CFOMr. Christopher R. Fenimore CPA Executive VPMr. Joseph J. LaRosa J.D. Executive VP of Research & Co-Chief Scientific OfficerDr. Andrew J. Murphy Ph.D. |
|
| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| McCourt Marion | EVP Commercial | Sep 02 '26 | Sale | 850.00 | 1,215 | 1,032,750 | 13,134 | Sep 03 04:50 PM | | McCourt Marion | EVP Commercial | Sep 03 '26 | Sale | 857.39 | 1,131 | 969,708 | 12,003 | Sep 03 04:50 PM | | Guarini Kathryn | Director | Sep 02 '26 | Option Exercise | 719.37 | 400 | 287,748 | 1,003 | Sep 03 04:47 PM | | Guarini Kathryn | Director | Sep 02 '26 | Sale | 850.00 | 400 | 340,000 | 603 | Sep 03 04:47 PM | | McCourt Marion | Officer | Sep 03 '26 | Proposed Sale | 857.00 | 1,131 | 969,267 | | Sep 03 04:07 PM | | McCourt Marion | Officer | Sep 02 '26 | Proposed Sale | 850.00 | 1,215 | 1,032,750 | | Sep 02 04:11 PM | | Guarini Kathryn | Director | Sep 02 '26 | Proposed Sale | 850.00 | 400 | 340,000 | | Sep 02 04:09 PM | | LAROSA JOSEPH J | EVP General Counsel and Secret | Aug 19 '26 | Option Exercise | 381.92 | 12,282 | 4,690,741 | 45,392 | Aug 21 04:01 PM | | Fenimore Christopher R. | EVP Finance CFO | Aug 18 '26 | Option Exercise | 381.92 | 6,283 | 2,399,603 | 24,583 | Aug 20 04:01 PM | | Guarini Kathryn | Director | Aug 10 '26 | Option Exercise | 719.37 | 400 | 287,748 | 1,003 | Aug 12 04:16 PM | | Guarini Kathryn | Director | Aug 10 '26 | Sale | 800.00 | 400 | 320,000 | 603 | Aug 12 04:16 PM | | Zoghbi Huda Y | Director | Aug 10 '26 | Option Exercise | 376.69 | 800 | 301,352 | 2,503 | Aug 12 04:14 PM | | Zoghbi Huda Y | Director | Aug 10 '26 | Sale | 800.00 | 800 | 640,000 | 1,703 | Aug 12 04:14 PM | | Zoghbi Huda Y | Director | Aug 10 '26 | Proposed Sale | 800.00 | 800 | 640,000 | | Aug 10 04:14 PM | | Guarini Kathryn | Board member | Aug 10 '26 | Proposed Sale | 800.00 | 400 | 320,000 | | Aug 10 04:11 PM | | RYAN ARTHUR F | Director | Jul 02 '26 | Sale | 650.15 | 200 | 130,030 | 17,303 | Jul 07 04:05 PM | | Arthur F. Ryan | Director | Jul 02 '26 | Proposed Sale | 624.72 | 400 | 249,888 | | Jul 02 05:46 PM | | RYAN ARTHUR F | Director | May 01 '26 | Sale | 705.24 | 100 | 70,524 | 17,503 | May 04 04:14 PM | | RYAN ARTHUR F | Director | Apr 01 '26 | Sale | 777.27 | 100 | 77,727 | 17,603 | Apr 03 04:01 PM | | RYAN ARTHUR F | Director | Mar 02 '26 | Sale | 785.50 | 100 | 78,550 | 17,703 | Mar 03 04:01 PM | | Zoghbi Huda Y | Director | Feb 19 '26 | Option Exercise | 376.69 | 1,638 | 617,018 | 3,341 | Feb 23 04:55 PM | | Zoghbi Huda Y | Director | Feb 19 '26 | Sale | 781.33 | 1,638 | 1,279,812 | 1,703 | Feb 23 04:55 PM | | Zoghbi Huda Y | Director | Feb 19 '26 | Proposed Sale | 790.00 | 1,638 | 1,294,020 | | Feb 19 04:04 PM | | Pitofsky Jason | SVP Controller | Feb 09 '26 | Option Exercise | 492.00 | 1,000 | 492,000 | 6,308 | Feb 11 04:03 PM | | Pitofsky Jason | SVP Controller | Feb 09 '26 | Sale | 778.52 | 2,036 | 1,585,058 | 4,272 | Feb 11 04:03 PM | | RYAN ARTHUR F | Director | Feb 09 '26 | Sale | 778.53 | 100 | 77,853 | 17,803 | Feb 11 04:02 PM | | Arthur F. Ryan | Director | Feb 09 '26 | Proposed Sale | 785.51 | 400 | 314,204 | | Feb 09 05:02 PM | | Pitofsky Jason | Officer | Feb 09 '26 | Proposed Sale | 783.17 | 2,036 | 1,594,534 | | Feb 09 04:03 PM | | Bassler Bonnie L | Director | Jan 07 '26 | Option Exercise | 374.12 | 1,500 | 561,180 | 3,203 | Jan 08 04:03 PM | | Bassler Bonnie L | Director | Jan 07 '26 | Sale | 800.00 | 1,500 | 1,200,000 | 1,703 | Jan 08 04:03 PM | | Bassler Bonnie L | Director | Jan 07 '26 | Proposed Sale | 800.00 | 1,500 | 1,200,000 | | Jan 07 12:03 PM | | YANCOPOULOS GEORGE | Bd. Co-Chair, President & CSO | Dec 31 '25 | Option Exercise | 0.00 | 28,570 | 0 | 339,030 | Jan 05 05:54 PM | | SCHLEIFER LEONARD S | Bd. Co-Chair, President & CEO | Dec 31 '25 | Option Exercise | 0.00 | 28,570 | 0 | 243,093 | Jan 05 05:53 PM | | SING GEORGE L | Director | Dec 30 '25 | Option Exercise | 520.01 | 9,212 | 4,790,332 | 37,040 | Dec 31 05:05 PM | | YANCOPOULOS GEORGE | Bd. Co-Chair, President & CSO | Dec 09 '25 | Option Exercise | 555.67 | 146,815 | 81,580,691 | 442,334 | Dec 11 04:27 PM | | SCHLEIFER LEONARD S | Bd. Co-Chair, President & CEO | Dec 09 '25 | Option Exercise | 555.67 | 172,723 | 95,976,989 | 369,668 | Dec 11 04:23 PM | | LAROSA JOSEPH J | EVP General Counsel and Secret | Nov 20 '25 | Option Exercise | 555.67 | 14,450 | 8,029,431 | 35,525 | Nov 24 04:07 PM | | Bassler Bonnie L | Director | Nov 20 '25 | Option Exercise | 371.40 | 760 | 282,264 | 2,308 | Nov 24 04:05 PM | | Bassler Bonnie L | Director | Nov 20 '25 | Sale | 750.00 | 760 | 570,000 | 1,548 | Nov 24 04:05 PM | | Bassler Bonnie L | Director | Nov 20 '25 | Proposed Sale | 750.00 | 760 | 570,000 | | Nov 20 02:31 PM | | Pitofsky Jason | VP Controller | Nov 07 '25 | Sale | 651.43 | 431 | 280,766 | 4,233 | Nov 10 04:37 PM | | Jason Pitofsky | Officer | Nov 07 '25 | Proposed Sale | 651.00 | 431 | 280,581 | | Nov 07 05:06 PM | | POON CHRISTINE A | Director | Oct 29 '25 | Option Exercise | 520.01 | 6,500 | 3,380,065 | 8,852 | Oct 31 04:09 PM | | POON CHRISTINE A | Director | Oct 30 '25 | Option Exercise | 520.01 | 2,712 | 1,410,267 | 5,064 | Oct 31 04:09 PM | | POON CHRISTINE A | Director | Oct 29 '25 | Sale | 654.27 | 6,500 | 4,252,745 | 2,352 | Oct 31 04:09 PM | | MURPHY ANDREW J | EVP Research | Oct 29 '25 | Option Exercise | 555.67 | 35,000 | 19,448,450 | 84,074 | Oct 31 04:06 PM | | Christine Poon | Director | Oct 29 '25 | Proposed Sale | 652.91 | 6,500 | 4,243,915 | | Oct 29 04:36 PM |
|