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 |
|---|---|---|---|---|---|
|
George Yancopoulos
President and Chief Scientific |
1,284,960 | 1,228,208 | 786,383 $545 Million | 17 |
May 16, 2024
Reduced 0.05%
|
|
Leonard S Schleifer
President & CEO |
1,461,172 | 1,316,257 | 466,877 $324 Million | 15 |
May 17, 2024
Reduced 0.03%
|
|
P Roy Vagelos
Director |
760,951 | 752,858 | 312,578 $217 Million | 21 |
Mar 23, 2023
Reduced 7.41%
|
|
Andrew J Murphy
EVP Research |
244,503 | 244,408 | 50,046 $34.7 Million | 55 |
Oct 30, 2025
Reduced 2.98%
|
|
Neil Stahl
EVP Research and Development |
406,535 | 390,617 | 48,829 $33.9 Million | 47 |
Dec 16, 2024
Reduced 0.62%
|
|
Daniel P Van Plew
EVP & General Mgr Industrial O |
487,584 | 472,793 | 34,792 $24.1 Million | 44 |
Dec 16, 2024
Reduced 2.71%
|
|
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%
|
|
Joseph J Larosa
EVP General Counsel and Secret |
230,318 | 201,303 | 22,839 $15.8 Million | 53 |
Nov 20, 2025
Reduced 35.71%
|
|
Arthur F Ryan
Director |
61,482 | 72,877 | 17,748 $12.3 Million | 60 |
Jan 02, 2025
Added 0.93%
|
|
Christopher R. Fenimore
VP Controller |
99,245 | 84,421 | 16,265 $11.3 Million | 41 |
Dec 16, 2024
Reduced 2.93%
|
|
Marion Mc Court
EVP Commercial |
51,501 | 51,234 | 14,230 $9.87 Million | 97 |
Dec 16, 2024
Reduced 5.06%
|
|
Joseph L Goldstein
Director |
52,689 | 56,784 | 6,548 $4.54 Million | 28 |
Jan 02, 2025
Added 2.47%
|
|
Christine A Poon
Director |
103,249 | 99,618 | 5,064 $3.51 Million | 19 |
Oct 30, 2025
Added 34.88%
|
|
Jason Pitofsky
VP Controller |
1,394 | 1,365 | 4,233 $2.94 Million | 6 |
Nov 07, 2025
Reduced 9.24%
|
|
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%
|
|