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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: 8/21/26 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
$834.04 $847.00 $541.00 $85,869 101 939 0.5% 3.5% 93.44% 2.08%
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
    
 
VAN PLEW DANIEL P
VP
JB
---
3,715
---
12/5/25
---
---
26,131
16.6
D
R
12/9/25 - 4:31:12 pm
2
    
 
MURPHY ANDREW J
VP
JB
---
3,715
---
12/5/25
---
---
53,761
7.4
D
R
12/9/25 - 4:17:05 pm
3
    
 
MCCOURT MARION
VP
JB
---
2,476
---
12/5/25
---
---
16,706
17.4
D
R
12/9/25 - 4:10:59 pm
4
    
 
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
5
    
 
FENIMORE CHRISTOPHER R
VP,CFO
JB
---
3,027
---
12/5/25
---
---
19,292
18.6
D
R
12/9/25 - 4:08:22 pm
6
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
7
    
 
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
8
    
 
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
9
    
 
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
10
    
 
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
11
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
12
    
 
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
13
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
14
    
 
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
15
    
 
SCHENKEIN DAVID P
DIR
JB
---
166
---
1/2/25
---
---
448
58.9
D
R
1/6/25 - 5:42:19 pm
16
    
 
THOMPSON CRAIG B
DIR
JB
---
166
---
1/2/25
---
---
620
36.6
D
R
1/6/25 - 4:13:03 pm
17
    
 
COLES N ANTHONY
DIR
JB
---
166
---
1/2/25
---
---
1,559
11.9
D
R
1/6/25 - 4:12:14 pm
18
    
 
ZOGHBI HUDA Y
DIR
JB
---
166
---
1/2/25
---
---
1,548
12.0
D
R
1/6/25 - 4:11:47 pm
19
    
 
RYAN ARTHUR F
DIR
JB
---
166
---
1/2/25
---
---
17,748
0.9
D
R
1/6/25 - 4:08:27 pm
20
    
 
POON CHRISTINE A
DIR
JB
---
166
---
1/2/25
---
---
2,352
7.6
D
R
1/6/25 - 4:07:40 pm
21
    
 
GUARINI KATHRYN
DIR
JB
---
166
---
1/2/25
---
---
448
58.9
D
R
1/6/25 - 4:06:55 pm
22
    
 
GOLDSTEIN JOSEPH L
DIR
JB
---
166
---
1/2/25
---
---
6,548
2.6
D
R
1/6/25 - 4:06:04 pm
23
    
 
BROWN MICHAEL S
DIR
JB
---
166
---
1/2/25
---
---
1,548
12.0
D
R
1/6/25 - 4:05:22 pm
24
    
 
BASSLER BONNIE L
DIR
JB
---
166
---
1/2/25
---
---
1,548
12.0
D
R
1/6/25 - 4:04:09 pm
25
    
 
SING GEORGE L
DIR
JB
---
166
---
1/2/25
---
---
27,828
0.6
D
R
1/3/25 - 4:02:28 pm
26
1y
41
34%
11%
1
SING GEORGE L
DIR
OS
$1,379,554
1,948
---
12/31/24
---
$708.19
27,662
-6.6
D
R
1/3/25 - 4:02:28 pm
27
    
 
SING GEORGE L
DIR
OE
$1,379,696
3,338
---
12/31/24
---
$413.33
29,610
12.7
D
R
1/3/25 - 4:02:28 pm
28
    
 
POON CHRISTINE A
DIR
JB
---
14
---
12/20/24
---
---
2,186
0.6
D
R
1/6/25 - 4:07:40 pm
29
    
 
VAN PLEW DANIEL P
VP
JS
$708,155
969
---
12/16/24
---
$730.81
34,792
-2.7
D
---
12/18/24 - 4:03:11 pm
30
    
 
STAHL NEIL
VP
JS
$222,166
304
---
12/16/24
---
$730.81
48,829
-0.6
D
---
12/18/24 - 4:02:59 pm
31
    
 
PITOFSKY JASON
VP,CT
JS
$217,781
298
---
12/16/24
---
$730.81
4,664
-6.0
D
---
12/18/24 - 4:02:48 pm
32
    
 
MURPHY ANDREW J
VP
JS
$770,274
1,054
---
12/16/24
---
$730.81
49,074
-2.1
D
---
12/18/24 - 4:02:34 pm
33
    
 
MCCOURT MARION
VP
JS
$554,685
759
---
12/16/24
---
$730.81
14,230
-5.1
D
---
12/18/24 - 4:02:07 pm
34
    
 
LAROSA JOSEPH J
VP,GC,SEC
JS
$513,029
702
---
12/16/24
---
$730.81
30,075
-2.3
D
---
12/18/24 - 4:01:51 pm
35
    
 
FENIMORE CHRISTOPHER R
VP,CFO
JS
$358,828
491
---
12/16/24
---
$730.81
16,265
-2.9
D
---
12/18/24 - 4:01:20 pm
36
    
 
PITOFSKY JASON
VP,CT
JS
$117,263
149
---
12/9/24
---
$787.00
4,962
-2.9
D
R
12/10/24 - 4:03:48 pm
37
    
 
FENIMORE CHRISTOPHER R
VP,CFO
JS
$897,180
1,140
---
12/9/24
---
$787.00
16,756
-6.4
D
R
12/10/24 - 4:03:32 pm
38
    
 
STAHL NEIL
VP
JS
$366,742
466
---
12/9/24
---
$787.00
49,133
-0.9
D
---
12/10/24 - 4:03:24 pm
39
    
 
VAN PLEW DANIEL P
VP
JS
$387,204
492
---
12/9/24
---
$787.00
35,761
-1.4
D
R
12/10/24 - 4:03:18 pm
40
    
 
MURPHY ANDREW J
VP
JS
$387,204
492
---
12/9/24
---
$787.00
50,128
-1.0
D
R
12/10/24 - 4:03:13 pm
41
    
 
MCCOURT MARION
VP
JS
$215,638
274
---
12/9/24
---
$787.00
14,989
-1.8
D
R
12/10/24 - 4:03:00 pm
42
    
 
LAROSA JOSEPH J
VP,GC,SEC
JS
$387,204
492
---
12/9/24
---
$787.00
30,777
-1.6
D
R
12/10/24 - 4:02:49 pm
43
    
 
PITOFSKY JASON
VP,CT
JB
---
907
---
12/6/24
---
---
5,111
21.6
D
R
12/10/24 - 4:03:48 pm
44
    
 
FENIMORE CHRISTOPHER R
VP,CFO
JB
---
2,591
---
12/6/24
---
---
17,896
16.9
D
R
12/10/24 - 4:03:32 pm
45
    
 
VAN PLEW DANIEL P
VP
JB
---
3,499
---
12/6/24
---
---
36,253
10.7
D
R
12/10/24 - 4:03:18 pm
46
    
 
MURPHY ANDREW J
VP
JB
---
3,499
---
12/6/24
---
---
50,620
7.4
D
R
12/10/24 - 4:03:13 pm
47
    
 
MCCOURT MARION
VP
JB
---
2,332
---
12/6/24
---
---
15,263
18.0
D
R
12/10/24 - 4:03:00 pm
48
    
 
LAROSA JOSEPH J
VP,GC,SEC
JB
---
2,332
---
12/6/24
---
---
31,269
8.1
D
R
12/10/24 - 4:02:49 pm
49
    
 
MURPHY ANDREW J
VP
JS
---
1,185
---
11/8/24
---
---
47,121
-2.5
D
---
11/12/24 - 4:03:11 pm
50
    
 
MCCOURT MARION
VP
OS
$844,610
1,000
---
11/1/24
---
$844.61
12,931
-7.2
D
10b
11/5/24 - 4:23:04 pm
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