Insider Shareholders with Direct Ownership of Regeneron Pharmaceuticals, Inc. (REGN)
This section provides a comprehensive overview of the insiders with direct ownership of Regeneron Pharmaceuticals, Inc. (REGN). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
REGENERON PHARMACEUTICALS, INC. Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
|
P Roy Vagelos
Director |
760,951 | 752,858 | 312,578 $217 Million | 21 |
Mar 23, 2023
Reduced 7.41%
|
|
George Yancopoulos
Bd. Co-Chair, President & CSO |
1,431,775 | 1,360,082 | 310,460 $215 Million | 19 |
Dec 09, 2025
Reduced 29.81%
|
|
Leonard S Schleifer
Bd. Co-Chair, President & CEO |
1,633,895 | 1,471,402 | 214,523 $149 Million | 17 |
Dec 09, 2025
Reduced 41.97%
|
|
Neil Stahl
EVP Research and Development |
406,535 | 390,617 | 48,829 $33.9 Million | 47 |
Dec 16, 2024
Reduced 0.62%
|
|
Andrew J Murphy
EVP Research |
248,218 | 250,336 | 47,833 $33.2 Million | 58 |
Dec 09, 2025
Reduced 8.12%
|
|
Joseph J Larosa
EVP General Counsel and Secret |
232,794 | 202,699 | 29,517 $20.5 Million | 55 |
Dec 08, 2025
Reduced 4.52%
|
|
George L Sing
Director |
69,493 | 157,080 | 27,828 $19.3 Million | 48 |
Jan 02, 2025
Added 0.59%
|
|
Robert E Landry
EVP Finance CFO |
165,769 | 167,049 | 23,693 $16.4 Million | 128 |
Feb 02, 2024
Reduced 1.17%
|
|
Daniel P Van Plew
EVP & General Mgr, Industrial |
491,299 | 477,251 | 21,673 $15 Million | 47 |
Dec 09, 2025
Reduced 10.53%
|
|
Christopher R. Fenimore
EVP Finance CFO |
102,272 | 85,413 | 18,300 $12.7 Million | 43 |
Dec 08, 2025
Reduced 5.14%
|
|
Arthur F Ryan
Director |
61,482 | 72,877 | 17,748 $12.3 Million | 60 |
Jan 02, 2025
Added 0.93%
|
|
Marion Mc Court
EVP Commercial |
53,977 | 53,591 | 14,349 $9.95 Million | 100 |
Dec 09, 2025
Reduced 6.64%
|
|
Joseph L Goldstein
Director |
52,689 | 56,784 | 6,548 $4.54 Million | 28 |
Jan 02, 2025
Added 2.47%
|
|
Jason Pitofsky
VP Controller |
3,458 | 2,354 | 5,308 $3.68 Million | 8 |
Dec 08, 2025
Reduced 15.71%
|
|
Christine A Poon
Director |
103,249 | 99,618 | 5,064 $3.51 Million | 19 |
Oct 30, 2025
Added 34.88%
|
|
Marc Tessier Lavigne
Director |
77,050 | 76,281 | 2,434 $1.69 Million | 23 |
Jan 03, 2023
Added 6.35%
|
|
N Anthony Coles
Director |
32,622 | 31,706 | 1,559 $1.08 Million | 18 |
Jan 02, 2025
Added 9.62%
|
|
Bonnie L Bassler
Director |
29,163 | 28,258 | 1,548 $1.07 Million | 51 |
Nov 20, 2025
Reduced 32.93%
|
|
Michael S Brown
Director |
52,939 | 52,034 | 1,548 $1.07 Million | 42 |
Jan 02, 2025
Added 9.68%
|
|
Huda Y Zoghbi
Director |
16,258 | 15,353 | 1,548 $1.07 Million | 22 |
Jan 02, 2025
Added 9.68%
|
|
Craig B. Thompson
Director |
620 | 0 | 620 $429,970 | 4 |
Jan 02, 2025
Added 21.12%
|
|
David P Schenkein
Director |
448 | 0 | 448 $310,688 | 3 |
Jan 02, 2025
Added 27.04%
|
|
Kathryn Guarini
Director |
448 | 0 | 448 $310,688 | 3 |
Jan 02, 2025
Added 27.04%
|
| 0 | 20,854,832 | 0 $0 | 4 |
May 29, 2020
Reduced 100.0%
|
|