Latest Insider Transactions at Regeneron Pharmaceuticals, Inc. (REGN)
This section provides a real-time view of insider transactions for Regeneron Pharmaceuticals, Inc. (REGN). The data is sourced from Form 4 filings with the SEC, which are filed by insiders of REGENERON PHARMACEUTICALS, INC. to disclose their transactions in the company's securities. By reviewing this information, investors can gain insights into the trading activity of REGENERON PHARMACEUTICALS, INC.'s insiders and make more informed investment decisions.
Insider Transaction List
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 09
2025
|
Marion Mc Court EVP Commercial |
SELL
Payment of exercise price or tax liability
|
Direct |
1,021
-6.64%
|
$715,721
$701.51 P/Share
|
|
Dec 09
2025
|
Andrew J Murphy EVP Research |
SELL
Payment of exercise price or tax liability
|
Direct |
4,229
-8.12%
|
$2,964,529
$701.51 P/Share
|
|
Dec 09
2025
|
Daniel P Van Plew EVP & General Mgr, Industrial |
SELL
Payment of exercise price or tax liability
|
Direct |
2,552
-10.53%
|
$1,788,952
$701.51 P/Share
|
|
Dec 09
2025
|
George Yancopoulos Bd. Co-Chair, President & CSO |
SELL
Payment of exercise price or tax liability
|
Direct |
131,874
-29.81%
|
$92,443,674
$701.51 P/Share
|
|
Dec 09
2025
|
George Yancopoulos Bd. Co-Chair, President & CSO |
BUY
Exercise of conversion of derivative security
|
Direct |
146,815
+24.92%
|
$81,482,325
$555.67 P/Share
|
|
Dec 09
2025
|
Leonard S Schleifer Bd. Co-Chair, President & CEO |
SELL
Payment of exercise price or tax liability
|
Direct |
155,145
-41.97%
|
$108,756,645
$701.51 P/Share
|
|
Dec 09
2025
|
Leonard S Schleifer Bd. Co-Chair, President & CEO |
BUY
Exercise of conversion of derivative security
|
Direct |
172,723
+31.84%
|
$95,861,265
$555.67 P/Share
|
|
Dec 08
2025
|
Jason Pitofsky VP Controller |
SELL
Payment of exercise price or tax liability
|
Direct |
989
-15.71%
|
$704,168
$712.94 P/Share
|
|
Dec 08
2025
|
Daniel P Van Plew EVP & General Mgr, Industrial |
SELL
Payment of exercise price or tax liability
|
Direct |
1,906
-7.29%
|
$1,357,072
$712.94 P/Share
|
|
Dec 08
2025
|
Andrew J Murphy EVP Research |
SELL
Payment of exercise price or tax liability
|
Direct |
1,699
-3.16%
|
$1,209,688
$712.94 P/Share
|
|
Dec 08
2025
|
Joseph J Larosa EVP General Counsel and Secret |
SELL
Payment of exercise price or tax liability
|
Direct |
1,396
-4.52%
|
$993,952
$712.94 P/Share
|
|
Dec 08
2025
|
Marion Mc Court EVP Commercial |
SELL
Payment of exercise price or tax liability
|
Direct |
1,336
-8.0%
|
$951,232
$712.94 P/Share
|
|
Dec 08
2025
|
Christopher R. Fenimore EVP Finance CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
992
-5.14%
|
$706,304
$712.94 P/Share
|
|
Dec 05
2025
|
Jason Pitofsky VP Controller |
BUY
Grant, award, or other acquisition
|
Direct |
2,064
+24.69%
|
-
|
|
Dec 05
2025
|
Daniel P Van Plew EVP & General Mgr, Industrial |
BUY
Grant, award, or other acquisition
|
Direct |
3,715
+12.45%
|
-
|
|
Dec 05
2025
|
Andrew J Murphy EVP Research |
BUY
Grant, award, or other acquisition
|
Direct |
3,715
+6.46%
|
-
|
|
Dec 05
2025
|
Joseph J Larosa EVP General Counsel and Secret |
BUY
Grant, award, or other acquisition
|
Direct |
2,476
+7.42%
|
-
|
|
Dec 05
2025
|
Marion Mc Court EVP Commercial |
BUY
Grant, award, or other acquisition
|
Direct |
2,476
+12.91%
|
-
|
|
Dec 05
2025
|
Christopher R. Fenimore EVP Finance CFO |
BUY
Grant, award, or other acquisition
|
Direct |
3,027
+13.56%
|
-
|
|
Nov 20
2025
|
Bonnie L Bassler Director |
SELL
Open market or private sale
|
Direct |
760
-32.93%
|
$570,000
$750.0 P/Share
|
|
Nov 20
2025
|
Bonnie L Bassler Director |
BUY
Exercise of conversion of derivative security
|
Direct |
760
+24.77%
|
$281,960
$371.4 P/Share
|
|
Nov 20
2025
|
Joseph J Larosa EVP General Counsel and Secret |
SELL
Payment of exercise price or tax liability
|
Direct |
12,686
-35.71%
|
$9,336,896
$736.77 P/Share
|
|
Nov 20
2025
|
Joseph J Larosa EVP General Counsel and Secret |
BUY
Exercise of conversion of derivative security
|
Direct |
14,450
+28.91%
|
$8,019,750
$555.67 P/Share
|
|
Nov 07
2025
|
Jason Pitofsky VP Controller |
SELL
Open market or private sale
|
Direct |
431
-9.24%
|
$280,581
$651.43 P/Share
|
|
Oct 30
2025
|
Andrew J Murphy EVP Research |
SELL
Bona fide gift
|
Direct |
1,538
-2.98%
|
-
|
|
Oct 30
2025
|
Christine A Poon Director |
BUY
Exercise of conversion of derivative security
|
Direct |
2,712
+34.88%
|
$1,410,240
$520.01 P/Share
|
|
Oct 29
2025
|
Andrew J Murphy EVP Research |
SELL
Payment of exercise price or tax liability
|
Direct |
32,490
-38.64%
|
$21,053,520
$648.82 P/Share
|
|
Oct 29
2025
|
Andrew J Murphy EVP Research |
BUY
Exercise of conversion of derivative security
|
Direct |
35,000
+29.39%
|
$19,425,000
$555.67 P/Share
|
|
Oct 29
2025
|
Christine A Poon Director |
SELL
Open market or private sale
|
Direct |
6,500
-18.89%
|
$4,251,000
$654.91 P/Share
|
|
Oct 29
2025
|
Christine A Poon Director |
BUY
Exercise of conversion of derivative security
|
Direct |
6,500
+42.34%
|
$3,380,000
$520.01 P/Share
|
|
Jan 02
2025
|
David P Schenkein Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+27.04%
|
-
|
|
Jan 02
2025
|
Huda Y Zoghbi Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+9.68%
|
-
|
|
Jan 02
2025
|
N Anthony Coles Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+9.62%
|
-
|
|
Jan 02
2025
|
Craig B. Thompson Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+21.12%
|
-
|
|
Jan 02
2025
|
Michael S Brown Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+9.68%
|
-
|
|
Jan 02
2025
|
Joseph L Goldstein Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+2.47%
|
-
|
|
Jan 02
2025
|
Kathryn Guarini Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+27.04%
|
-
|
|
Jan 02
2025
|
Christine A Poon Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+6.59%
|
-
|
|
Jan 02
2025
|
Arthur F Ryan Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+0.93%
|
-
|
|
Jan 02
2025
|
Bonnie L Bassler Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+9.68%
|
-
|
|
Jan 02
2025
|
George L Sing Director |
BUY
Grant, award, or other acquisition
|
Direct |
166
+0.59%
|
-
|
|
Dec 31
2024
|
George L Sing Director |
SELL
Payment of exercise price or tax liability
|
Direct |
1,948
-6.58%
|
$1,379,184
$708.19 P/Share
|
|
Dec 31
2024
|
George L Sing Director |
BUY
Exercise of conversion of derivative security
|
Direct |
3,338
+10.13%
|
$1,378,594
$413.33 P/Share
|
|
Dec 20
2024
|
Christine A Poon Director |
BUY
Acquisition or disposition by will or laws
|
Direct |
14
+0.64%
|
-
|
|
Dec 16
2024
|
Christopher R. Fenimore EVP Finance CFO |
SELL
Payment of exercise price or tax liability
|
Direct |
491
-2.93%
|
$358,430
$730.81 P/Share
|
|
Dec 16
2024
|
Joseph J Larosa EVP General Counsel and Secret |
SELL
Payment of exercise price or tax liability
|
Direct |
702
-2.28%
|
$512,460
$730.81 P/Share
|
|
Dec 16
2024
|
Marion Mc Court EVP Commercial |
SELL
Payment of exercise price or tax liability
|
Direct |
759
-5.06%
|
$554,070
$730.81 P/Share
|
|
Dec 16
2024
|
Andrew J Murphy EVP Research |
SELL
Payment of exercise price or tax liability
|
Direct |
1,054
-2.1%
|
$769,420
$730.81 P/Share
|
|
Dec 16
2024
|
Jason Pitofsky VP Controller |
SELL
Payment of exercise price or tax liability
|
Direct |
298
-6.01%
|
$217,540
$730.81 P/Share
|
|
Dec 16
2024
|
Neil Stahl EVP Research and Development |
SELL
Payment of exercise price or tax liability
|
Direct |
304
-0.62%
|
$221,920
$730.81 P/Share
|