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 B  AB  JB*  OB  OE*  OE
 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
REGENERON PHARMACEUTICALS INC: REGN
Price: 1/2/26 52-Wk
High		 52-Wk
Low		 Mkt Cap (mm) Shrs Out (mm) 3-Mth Ave
Vol (m)		 Ind. Yield Short Int
% Float		 Inst. Owned Insider Owned
$776.31 $792.77 $476.49 $82,279 103 1,004 0.5% 2.8% 90.20% 2.02%
Exch Sector Industry Sub-Industry
NasdaqGS Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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#
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Insider Statistics
T N H M S
Filer Name
Insider Title
Trans Type
Dollar Value
Shares Traded
Trans Date From
Trans Date To
Trans Price From
Trans Price To
Total Holdings
Delta % Owned
Owned
Other Info
Input Date
1
    
 
ZOGHBI HUDA Y
DIR
JB
---
155
---
1/2/26
---
---
1,703
10.0
D
R
1/6/26 - 4:21:24 pm
2
    
 
THOMPSON CRAIG B
DIR
JB
---
155
---
1/2/26
---
---
775
25.0
D
R
1/6/26 - 4:18:21 pm
3
    
 
SING GEORGE L
DIR
JB
---
155
---
1/2/26
---
---
31,007
0.5
D
R
1/6/26 - 4:16:18 pm
4
    
 
GUARINI KATHRYN
DIR
JB
---
155
---
1/2/26
---
---
603
34.6
D
R
1/6/26 - 4:16:02 pm
5
    
 
SCHENKEIN DAVID P
DIR
JB
---
155
---
1/2/26
---
---
603
34.6
D
R
1/6/26 - 4:14:06 pm
6
    
 
GOLDSTEIN JOSEPH L
DIR
JB
---
155
---
1/2/26
---
---
6,703
2.4
D
R
1/6/26 - 4:13:21 pm
7
    
 
RYAN ARTHUR F
DIR
JB
---
155
---
1/2/26
---
---
17,903
0.9
D
R
1/6/26 - 4:12:18 pm
8
    
 
COLES N ANTHONY
DIR
JB
---
155
---
1/2/26
---
---
1,714
9.9
D
R
1/6/26 - 4:11:54 pm
9
    
 
BROWN MICHAEL S
DIR
JB
---
155
---
1/2/26
---
---
1,703
10.0
D
R
1/6/26 - 4:10:05 pm
10
    
 
BASSLER BONNIE L
DIR
JB
---
155
---
1/2/26
---
---
1,703
10.0
D
R
1/6/26 - 4:08:03 pm
11
    
 
POON CHRISTINE A
DIR
JB
---
155
---
1/2/26
---
---
5,219
3.1
D
R
1/6/26 - 4:03:32 pm
12
    
 
YANCOPOULOS GEORGE
CB,PR,DIR
JS
$22,058,612
28,570
---
12/31/25
---
$772.09
310,460
-8.4
D
R
1/5/26 - 5:54:51 pm
13
    
 
YANCOPOULOS GEORGE
CB,PR,DIR
JB
---
28,570
---
12/31/25
---
---
339,030
9.2
D
R
1/5/26 - 5:54:51 pm
14
    
 
SCHLEIFER LEONARD S
CB,PR,CEO,DIR
JS
$22,058,612
28,570
---
12/31/25
---
$772.09
214,523
-11.8
D
R
1/5/26 - 5:53:17 pm
15
    
 
SCHLEIFER LEONARD S
CB,PR,CEO,DIR
JB
---
28,570
---
12/31/25
---
---
243,093
13.3
D
R
1/5/26 - 5:53:17 pm
16
1y
41
34%
11%
1
SING GEORGE L
DIR
OS
$4,789,698
6,188
---
12/30/25
---
$774.03
30,852
-16.7
D
---
12/31/25 - 5:05:40 pm
17
    
 
SING GEORGE L
DIR
OE
$4,790,332
9,212
---
12/30/25
---
$520.01
37,040
33.1
D
---
12/31/25 - 5:05:40 pm
18
    
 
VAN PLEW DANIEL P
VP
JS
$1,790,254
2,552
---
12/9/25
---
$701.51
21,673
-10.5
D
---
12/11/25 - 4:34:24 pm
19
    
 
MURPHY ANDREW J
VP
JS
$2,966,686
4,229
---
12/9/25
---
$701.51
47,833
-8.1
D
---
12/11/25 - 4:32:45 pm
20
    
 
MCCOURT MARION
VP
JS
$716,242
1,021
---
12/9/25
---
$701.51
14,349
-6.6
D
---
12/11/25 - 4:30:49 pm
21
1y
40
48%
2%
1
YANCOPOULOS GEORGE
CB,PR,DIR
OS
$92,510,928
131,874
---
12/9/25
---
$701.51
310,460
-29.8
D
---
12/11/25 - 4:27:23 pm
22
    
 
YANCOPOULOS GEORGE
CB,PR,DIR
OE
$81,580,688
146,815
---
12/9/25
---
$555.67
442,334
49.7
D
---
12/11/25 - 4:27:23 pm
23
1y
34
29%
18%
1
SCHLEIFER LEONARD S
CB,PR,CEO,DIR
OS
$108,835,768
155,145
---
12/9/25
---
$701.51
214,523
-42.0
D
---
12/11/25 - 4:23:04 pm
24
    
 
SCHLEIFER LEONARD S
CB,PR,CEO,DIR
OE
$95,976,992
172,723
---
12/9/25
---
$555.67
369,668
87.7
D
---
12/11/25 - 4:23:04 pm
25
    
 
PITOFSKY JASON
VP,CT
JS
$705,098
989
---
12/8/25
---
$712.94
5,308
-15.7
D
R
12/9/25 - 5:38:25 pm
26
    
 
VAN PLEW DANIEL P
VP
JS
$1,358,864
1,906
---
12/8/25
---
$712.94
24,225
-7.3
D
R
12/9/25 - 4:31:12 pm
27
    
 
MURPHY ANDREW J
VP
JS
$1,211,285
1,699
---
12/8/25
---
$712.94
52,062
-3.2
D
R
12/9/25 - 4:17:05 pm
28
    
 
MCCOURT MARION
VP
JS
$952,488
1,336
---
12/8/25
---
$712.94
15,370
-8.0
D
R
12/9/25 - 4:10:59 pm
29
    
 
LAROSA JOSEPH J
VP,GC,SEC
JS
$995,264
1,396
---
12/8/25
---
$712.94
29,517
-4.5
D
R
12/9/25 - 4:09:43 pm
30
    
 
FENIMORE CHRISTOPHER R
VP,CFO
JS
$707,237
992
---
12/8/25
---
$712.94
18,300
-5.1
D
R
12/9/25 - 4:08:22 pm
31
    
 
PITOFSKY JASON
VP,CT
JB
---
2,064
---
12/5/25
---
---
6,297
48.8
D
R
12/9/25 - 5:38:25 pm
32
    
 
VAN PLEW DANIEL P
VP
JB
---
3,715
---
12/5/25
---
---
26,131
16.6
D
R
12/9/25 - 4:31:12 pm
33
    
 
MURPHY ANDREW J
VP
JB
---
3,715
---
12/5/25
---
---
53,761
7.4
D
R
12/9/25 - 4:17:05 pm
34
    
 
MCCOURT MARION
VP
JB
---
2,476
---
12/5/25
---
---
16,706
17.4
D
R
12/9/25 - 4:10:59 pm
35
    
 
LAROSA JOSEPH J
VP,GC,SEC
JB
---
2,476
---
12/5/25
---
---
30,913
8.7
D
R
12/9/25 - 4:09:43 pm
36
    
 
FENIMORE CHRISTOPHER R
VP,CFO
JB
---
3,027
---
12/5/25
---
---
19,292
18.6
D
R
12/9/25 - 4:08:22 pm
37
1y
23
70%
-10%
1
LAROSA JOSEPH J
VP,GC,SEC
OS
$9,346,664
12,686
---
11/20/25
---
$736.77
22,839
-35.7
D
---
11/24/25 - 4:07:16 pm
38
    
 
LAROSA JOSEPH J
VP,GC,SEC
OE
$8,029,432
14,450
---
11/20/25
---
$555.67
35,525
68.6
D
---
11/24/25 - 4:07:16 pm
39
    
 
BASSLER BONNIE L
DIR
OS
$570,000
760
---
11/20/25
---
$750.00
1,548
-32.9
D
10b
11/24/25 - 4:05:34 pm
40
    
 
BASSLER BONNIE L
DIR
OE
$282,264
760
---
11/20/25
---
$371.40
2,308
49.1
D
10b
11/24/25 - 4:05:34 pm
41
    
 
PITOFSKY JASON
VP,CT
S
$280,766
431
---
11/7/25
---
$651.43
4,233
-9.2
D
---
11/10/25 - 4:37:37 pm
42
1y
3
100%
39%
2
POON CHRISTINE A
DIR
OB
$4,790,332
9,212
10/29/25
10/30/25
---
$520.01
8,852
---
D
---
10/31/25 - 4:09:02 pm
43
    
 
MURPHY ANDREW J
VP
OS
$21,080,162
34,028
10/29/25
10/30/25
---
$648.82
50,046
-40.5
D
---
10/31/25 - 4:06:57 pm
44
1y
4
25%
8%
2
POON CHRISTINE A
DIR
S
$4,252,746
6,500
---
10/29/25
$652.68
$657.29
2,352
-73.4
D
---
10/31/25 - 4:09:02 pm
45
    
 
MURPHY ANDREW J
VP
OE
$19,448,450
35,000
---
10/29/25
---
$555.67
84,074
71.3
D
---
10/31/25 - 4:06:57 pm
46
    
 
SCHENKEIN DAVID P
DIR
JB
---
166
---
1/2/25
---
---
448
58.9
D
R
1/6/25 - 5:42:19 pm
47
    
 
THOMPSON CRAIG B
DIR
JB
---
166
---
1/2/25
---
---
620
36.6
D
R
1/6/25 - 4:13:03 pm
48
    
 
COLES N ANTHONY
DIR
JB
---
166
---
1/2/25
---
---
1,559
11.9
D
R
1/6/25 - 4:12:14 pm
49
    
 
ZOGHBI HUDA Y
DIR
JB
---
166
---
1/2/25
---
---
1,548
12.0
D
R
1/6/25 - 4:11:47 pm
50
    
 
RYAN ARTHUR F
DIR
JB
---
166
---
1/2/25
---
---
17,748
0.9
D
R
1/6/25 - 4:08:27 pm
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