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 S  AS  JS*  OS  OS*  3
 JB
 JS
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Detailed Insider History for:
CATALYST PHARMACEUTICALS INC: CPRX
Price: 12/12/25 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
$23.62 $26.58 $19.05 $2,903 123 1,381 0.0% 8.2% 87.12% 6.07%
Exch Sector Industry Sub-Industry
NasdaqCM Manufacturing Chemicals And Allied Products Pharmaceutical Preparations
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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
    
 
ELSBERND BRIAN
CCO,LO
JS
---
2,780
---
12/8/25
---
---
238,457
-1.2
D
R
12/10/25 - 5:00:42 pm
2
    
 
ELSBERND BRIAN
CCO,LO
JB
---
7,067
---
12/8/25
---
---
241,237
3.0
D
R
12/10/25 - 5:00:42 pm
3
    
 
MILLER STEVE
COO
JB
---
11,873
---
12/8/25
---
---
1,079,803
1.1
D
R
12/10/25 - 5:00:40 pm
4
    
 
TIERNEY DAVID S
DIR
JB
---
1,413
---
12/8/25
---
---
381,980
0.4
D
R
12/10/25 - 5:00:39 pm
5
    
 
THOMPSON TAMAR
DIR
JB
---
1,413
---
12/8/25
---
---
3,773
59.9
D
R
12/10/25 - 5:00:37 pm
6
    
 
DEL CARMEN JEFFREY
O
JS
---
2,492
---
12/8/25
---
---
9,509
-20.8
D
R
12/10/25 - 5:00:35 pm
7
    
 
DEL CARMEN JEFFREY
O
JB
---
8,039
---
12/8/25
---
---
12,001
202.9
D
R
12/10/25 - 5:00:35 pm
8
    
 
HARPER MOLLY
DIR
JB
---
1,413
---
12/8/25
---
---
9,106
18.4
D
R
12/10/25 - 5:00:34 pm
9
    
 
MCENANY PATRICK J
CB,DIR
JB
---
3,534
---
12/8/25
---
---
4,152,011
0.1
D
R
12/10/25 - 5:00:34 pm
10
    
 
SUNDARAM PREETHI
O
JS
---
1,669
---
12/8/25
---
---
50,506
-3.2
D
R
12/10/25 - 5:00:32 pm
11
    
 
SUNDARAM PREETHI
O
JB
---
6,855
---
12/8/25
---
---
52,175
15.1
D
R
12/10/25 - 5:00:32 pm
12
    
 
DENKHAUS DONALD A
DIR
JB
---
1,413
---
12/8/25
---
---
497,439
0.3
D
R
12/10/25 - 5:00:32 pm
13
    
 
MCENANY PATRICK J
CB,DIR
JS
---
135,000
---
12/1/25
---
---
4,148,477
-3.2
D
---
12/3/25 - 5:00:27 pm
14
1y
5
40%
10%
1
DEL CARMEN JEFFREY
O
OS
$256,244
10,983
---
11/26/25
---
$23.33
3,962
-73.5
D
---
11/28/25 - 5:00:06 pm
15
    
 
DEL CARMEN JEFFREY
O
OE
$46,238
10,983
---
11/26/25
---
$4.21
14,945
277.2
D
---
11/28/25 - 5:00:06 pm
16
    
 
SUNDARAM PREETHI
O
JS
---
1,364
---
11/21/25
---
---
45,320
-2.9
D
R
11/24/25 - 8:08:38 pm
17
    
 
SUNDARAM PREETHI
O
JB
---
5,603
---
11/21/25
---
---
46,684
13.6
D
R
11/24/25 - 8:08:38 pm
18
    
 
MILLER STEVE
COO
JB
---
8,267
---
11/21/25
---
---
1,067,930
0.8
D
R
11/24/25 - 8:08:36 pm
19
    
 
THOMPSON TAMAR
DIR
JB
---
947
---
11/21/25
---
---
2,360
67.0
D
R
11/24/25 - 8:08:33 pm
20
    
 
KALB MICHAEL WAYNE
VP,CFO
JS
---
2,485
---
11/21/25
---
---
8,606
-22.4
D
R
11/24/25 - 8:08:32 pm
21
    
 
KALB MICHAEL WAYNE
VP,CFO
JB
---
6,894
---
11/21/25
---
---
11,091
164.3
D
R
11/24/25 - 8:08:32 pm
22
    
 
TIERNEY DAVID S
DIR
JB
---
947
---
11/21/25
---
---
380,567
0.2
D
R
11/24/25 - 8:08:30 pm
23
    
 
MCENANY PATRICK J
CB,DIR
JB
---
1,775
---
11/21/25
---
---
4,283,477
0.0
D
R
11/24/25 - 8:08:29 pm
24
    
 
HARPER MOLLY
DIR
JB
---
947
---
11/21/25
---
---
7,693
14.0
D
R
11/24/25 - 8:08:27 pm
25
    
 
DALY RICHARD J
PR,CEO,DIR
JS
---
7,872
---
11/21/25
---
---
238,928
-3.2
D
R
11/24/25 - 8:08:25 pm
26
    
 
DALY RICHARD J
PR,CEO,DIR
JB
---
20,006
---
11/21/25
---
---
246,800
8.8
D
R
11/24/25 - 8:08:25 pm
27
    
 
DENKHAUS DONALD A
DIR
JB
---
947
---
11/21/25
---
---
496,026
0.2
D
R
11/24/25 - 8:08:24 pm
28
    
 
ELSBERND BRIAN
CCO,LO
JS
---
2,030
---
11/21/25
---
---
234,170
-0.9
D
R
11/24/25 - 8:08:22 pm
29
    
 
ELSBERND BRIAN
CCO,LO
JB
---
5,161
---
11/21/25
---
---
236,200
2.2
D
R
11/24/25 - 8:08:22 pm
30
    
 
DEL CARMEN JEFFREY
O
JS
---
1,641
---
11/21/25
---
---
3,962
-29.3
D
R
11/24/25 - 8:08:20 pm
31
    
 
DEL CARMEN JEFFREY
O
JB
---
5,603
---
11/21/25
---
---
5,603
New
D
R
11/24/25 - 8:08:20 pm
32
1y
3
67%
13%
1
ELSBERND BRIAN
CCO,LO
S
$908,000
40,000
---
11/12/25
---
$22.70
231,039
-14.8
D
---
11/14/25 - 5:00:22 pm
33
    
 
ELSBERND BRIAN
CCO,LO
OS*
$609,000
30,000
---
9/8/25
---
$20.30
271,039
-10.0
D
---
9/10/25 - 5:00:26 pm
34
1y
2
50%
-4%
1
ELSBERND BRIAN
CCO,LO
OE*
$251,944
112,475
---
9/8/25
---
$2.24
301,039
59.6
D
---
9/10/25 - 5:00:26 pm
35
1y
3
67%
13%
1
ELSBERND BRIAN
CCO,LO
S
$987,200
50,000
9/3/25
9/4/25
---
$19.52
188,564
-21.0
D
---
9/5/25 - 5:00:15 pm
36
    
 
ELSBERND BRIAN
CCO,LO
OE
$112,000
50,000
9/3/25
9/4/25
---
$2.24
218,564
29.7
D
---
9/5/25 - 5:00:15 pm
37
    
 
TIERNEY DAVID S
DIR
OS*
$525,200
26,000
---
8/27/25
---
$20.20
379,620
-6.4
D
---
8/28/25 - 5:00:43 pm
38
1y
8
63%
6%
5
TIERNEY DAVID S
DIR
OE*
$112,000
50,000
---
8/27/25
---
$2.24
405,620
14.1
D
---
8/28/25 - 5:00:43 pm
39
1y
8
75%
14%
1
MILLER STEVE
COO
OE*
$504,000
225,000
8/26/25
8/27/25
---
$2.24
1,064,663
26.8
D
---
8/28/25 - 5:00:21 pm
40
    
 
MILLER STEVE
COO
OS*
$2,332,200
115,000
---
8/26/25
---
$20.28
949,663
-10.8
D
---
8/28/25 - 5:00:21 pm
41
    
 
DALY RICHARD J
PR,CEO,DIR
OS*
$473,641
22,970
---
8/26/25
---
$20.62
226,794
-9.2
D
---
8/28/25 - 5:00:04 pm
42
1y
4
100%
70%
2
DALY RICHARD J
PR,CEO,DIR
OE*
$112,000
50,000
---
8/26/25
---
$2.24
249,764
25.0
D
---
8/28/25 - 5:00:04 pm
43
    
 
CURRAN DANIEL J
DIR
3
---
---
---
8/1/25
---
---
---
---
D
---
8/8/25 - 5:00:08 pm
44
1y
2
100%
-11%
1
SUNDARAM PREETHI
O
S
$103,649
3,924
6/10/25
6/11/25
$26.41
$26.42
41,081
-8.7
D
---
6/12/25 - 5:00:42 pm
45
1y
9
33%
18%
2
MCENANY PATRICK J
CB,DIR
S
$5,217,339
200,000
6/6/25
6/9/25
$25.95
$26.11
4,281,702
-4.5
D
---
6/10/25 - 5:00:43 pm
46
    
 
ANDREWS WILLIAM T
O
3
---
---
---
6/2/25
---
---
---
---
D
R
6/6/25 - 5:00:46 pm
47
1y
1
0%
55%
2
DALY RICHARD J
PR,CEO,DIR
S
$1,740,200
70,000
---
5/30/25
---
$24.86
199,764
-25.9
D
---
6/3/25 - 5:00:35 pm
48
1y
13
38%
30%
1
INGENITO GARY
O
OS
$5,775,720
244,000
5/13/25
5/14/25
---
$23.63
68,873
-78.0
D
---
5/15/25 - 5:00:41 pm
49
    
 
INGENITO GARY
O
OE
$888,160
244,000
5/13/25
5/14/25
$3.42
$4.64
268,873
981.0
D
---
5/15/25 - 5:00:41 pm
50
1y
13
38%
30%
1
INGENITO GARY
O
OS
$4,894,610
225,000
3/5/25
3/6/25
---
$21.67
68,873
-76.6
D
---
3/7/25 - 5:00:21 pm
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