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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:
IONIS PHARMACEUTICALS INC: IONS
Price: 1/30/26 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
$82.67 $86.15 $23.95 $13,390 162 2,458 0.0% 11.2% 109.28% 0.63%
Exch Sector Industry Sub-Industry
NasdaqGS 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
    
 
DEVERS SHANNON L
VP,HR
AS
$323,490
3,977
---
1/22/26
---
$81.34
22,541
-15.0
D
10b
1/23/26 - 5:51:50 pm
2
    
 
SWAYZE ERIC
VP
S
$744,661
9,884
---
1/16/26
---
$75.34
41,935
-19.1
D
R
1/20/26 - 8:21:37 pm
3
    
 
SWAYZE ERIC
VP
S
$3,723
49
---
1/16/26
---
$75.97
318
-13.4
I
R
1/20/26 - 8:21:37 pm
4
    
 
SCHNEIDER EUGENE
VP
S
$703,138
9,302
---
1/16/26
---
$75.59
63,890
-12.7
D
R
1/20/26 - 8:21:31 pm
5
1y
39
82%
-58%
1
O NEIL PATRICK R
VP,LO,GC
S
$697,045
9,191
---
1/16/26
---
$75.84
66,171
-12.2
D
R
1/20/26 - 8:20:29 pm
6
1y
34
71%
-33%
1
MONIA BRETT P
CEO,DIR
S
$3,294,624
44,034
---
1/16/26
---
$74.82
224,683
-16.4
D
R
1/20/26 - 8:20:23 pm
7
    
 
KORDASIEWICZ HOLLY B
VP
S
$313,308
4,141
---
1/16/26
---
$75.66
14,718
-22.0
D
R
1/20/26 - 8:18:47 pm
8
    
 
JENNE KYLE
VP
S
$138,475
1,823
---
1/16/26
---
$75.96
16,389
-10.0
D
R
1/20/26 - 8:18:39 pm
9
1y
23
70%
-44%
1
HOUGEN ELIZABETH L
VP,CFO
S
$971,993
12,922
---
1/16/26
---
$75.22
126,307
-9.3
D
R
1/20/26 - 8:18:32 pm
10
    
 
DEVERS SHANNON L
VP,HR
S
$634,410
8,353
---
1/16/26
---
$75.95
26,518
-24.0
D
R
1/20/26 - 8:18:26 pm
11
    
 
BIRCHLER BRIAN
VP,OO
S
$636,933
8,480
---
1/16/26
---
$75.11
60,435
-12.3
D
R
1/20/26 - 8:18:16 pm
12
1y
30
47%
-7%
1
BENNETT C FRANK
VP
S
$674,622
8,977
---
1/16/26
---
$75.15
94,757
-8.7
D
R
1/20/26 - 8:18:10 pm
13
    
 
BAROLDI JOSEPH
VP
S
$523,205
6,907
---
1/16/26
---
$75.75
40,431
-14.6
D
R
1/20/26 - 8:18:04 pm
14
    
 
BAROLDI JOSEPH
VP
S
$87,071
1,149
---
1/16/26
---
$75.78
4,772
-19.4
I
R
1/20/26 - 8:18:04 pm
15
    
 
YANG MICHAEL J
DIR
JB
---
1,930
---
1/15/26
---
---
7,940
32.1
D
R
1/20/26 - 8:21:43 pm
16
    
 
SWAYZE ERIC
VP
JB
---
21,366
---
1/15/26
---
---
51,819
70.2
D
R
1/20/26 - 8:21:37 pm
17
    
 
SWAYZE ERIC
VP
JB
---
111
---
1/15/26
---
---
367
43.4
I
R
1/20/26 - 8:21:37 pm
18
    
 
SCHNEIDER EUGENE
VP
JB
---
21,685
---
1/15/26
---
---
73,192
42.1
D
R
1/20/26 - 8:21:31 pm
19
    
 
O NEIL PATRICK R
VP,LO,GC
JB
---
21,473
---
1/15/26
---
---
75,362
39.8
D
R
1/20/26 - 8:20:29 pm
20
    
 
MONIA BRETT P
CEO,DIR
JB
---
89,145
---
1/15/26
---
---
268,717
49.6
D
R
1/20/26 - 8:20:23 pm
21
    
 
KORDASIEWICZ HOLLY B
VP
JB
---
11,119
---
1/15/26
---
---
18,859
143.7
D
R
1/20/26 - 8:18:47 pm
22
    
 
JENNE KYLE
VP
JB
---
7,013
---
1/15/26
---
---
18,212
62.6
D
R
1/20/26 - 8:18:39 pm
23
    
 
HOUGEN ELIZABETH L
VP,CFO
JB
---
28,729
---
1/15/26
---
---
139,229
26.0
D
R
1/20/26 - 8:18:32 pm
24
    
 
DEVERS SHANNON L
VP,HR
JB
---
17,377
---
1/15/26
---
---
34,871
99.3
D
R
1/20/26 - 8:18:26 pm
25
    
 
BIRCHLER BRIAN
VP,OO
JB
---
20,089
---
1/15/26
---
---
68,915
41.1
D
R
1/20/26 - 8:18:16 pm
26
    
 
BENNETT C FRANK
VP
JB
---
21,055
---
1/15/26
---
---
103,734
25.5
D
R
1/20/26 - 8:18:10 pm
27
    
 
BAROLDI JOSEPH
VP
JB
---
17,037
---
1/15/26
---
---
47,338
56.2
D
R
1/20/26 - 8:18:04 pm
28
    
 
BAROLDI JOSEPH
VP
JB
---
2,850
---
1/15/26
---
---
5,921
92.8
I
R
1/20/26 - 8:18:04 pm
29
    
 
DEVERS SHANNON L
VP,HR
OS
$3,760,578
44,199
---
1/7/26
---
$84.62
17,494
-71.6
D
10b
1/9/26 - 5:08:28 pm
30
    
 
DEVERS SHANNON L
VP,HR
OE
$2,265,415
44,199
---
1/7/26
$32.60
$52.87
43,039
---
D
10b
1/9/26 - 5:08:28 pm
31
    
 
SWAYZE ERIC
VP
OS
$1,856,325
23,463
---
1/2/26
$78.57
$79.27
30,453
-43.5
D
10b
1/6/26 - 5:35:26 pm
32
    
 
SWAYZE ERIC
VP
OE
$1,428,662
23,463
---
1/2/26
---
$60.89
48,791
92.6
D
10b
1/6/26 - 5:35:26 pm
33
    
 
KORDASIEWICZ HOLLY B
VP
3
---
---
---
12/21/25
---
---
7,740
---
D
R
1/6/26 - 5:34:53 pm
34
1y
2
50%
3%
1
WENDER JOSEPH H
DIR
AS
$2,262,848
28,000
---
12/1/25
$80.67
$81.23
36,035
-43.7
I
10b
12/3/25 - 7:01:07 pm
35
1y
25
72%
-33%
8
KLEIN JOSEPH III
DIR
AS
$960,000
12,000
---
11/25/25
---
$80.00
---
All
I
10b
11/28/25 - 5:51:58 pm
36
    
 
KLEIN JOSEPH III
DIR
JB
---
12,000
---
11/25/25
---
---
4,000
---
I
10b
11/28/25 - 5:51:58 pm
37
    
 
DEVERS SHANNON L
VP,HR
OS
$1,357,442
16,777
---
11/25/25
---
$80.91
17,494
-49.0
D
10b
11/28/25 - 5:51:52 pm
38
    
 
DEVERS SHANNON L
VP,HR
OE
$902,099
16,777
---
11/25/25
---
$53.77
34,271
95.9
D
10b
11/28/25 - 5:51:52 pm
39
1m
1
0%
9%
4
HERMAN JOAN E
DIR
OS
$3,173,830
44,000
---
11/19/25
---
$72.13
46,086
-48.8
D
---
11/20/25 - 5:12:11 pm
40
    
 
HERMAN JOAN E
DIR
OE
$2,525,400
44,000
---
11/19/25
$40.05
$63.90
78,086
129.1
D
---
11/20/25 - 5:12:11 pm
41
1y
4
50%
-23%
1
WENDER JOSEPH H
DIR
OB
$390,720
16,000
---
11/18/25
---
$24.42
16,000
New
D
---
11/20/25 - 5:12:23 pm
42
    
 
BIRCHLER BRIAN
VP,OO
AS
$609,379
8,000
---
11/6/25
---
$76.17
48,826
-14.1
D
10b
11/7/25 - 5:13:09 pm
43
1y
25
88%
-63%
1
GEARY RICHARD S
VP
OS
$2,621,816
34,639
11/5/25
11/6/25
$75.01
$75.42
59,657
-36.7
D
10b
11/7/25 - 5:12:44 pm
44
    
 
GEARY RICHARD S
VP
OE
$2,045,308
34,639
11/5/25
11/6/25
$56.78
$60.89
77,957
80.0
D
10b
11/7/25 - 5:12:44 pm
45
1y
25
88%
-63%
1
GEARY RICHARD S
VP
AS
$126,091
1,680
---
11/3/25
---
$75.05
59,657
-2.7
D
A,10b
11/7/25 - 5:12:38 pm
46
    
 
GEARY RICHARD S
VP
OE
$98,576
1,680
---
11/3/25
---
$56.78
60,562
2.9
D
A,10b
11/7/25 - 5:12:38 pm
47
1y
25
88%
-63%
1
GEARY RICHARD S
VP
OS
$6,829,432
90,929
10/31/25
11/3/25
---
$75.05
59,657
-60.4
D
10b
11/3/25 - 8:14:45 pm
48
    
 
GEARY RICHARD S
VP
OE
$4,173,213
70,929
10/31/25
11/3/25
$56.78
$60.89
114,321
163.5
D
10b
11/3/25 - 8:14:45 pm
49
1y
2
50%
3%
1
WENDER JOSEPH H
DIR
AS
$2,072,578
28,000
10/30/25
10/31/25
$72.19
$75.16
64,035
-30.4
I
10b
11/3/25 - 8:14:56 pm
50
1y
1
0%
92%
2
LOSCALZO JOSEPH
DIR
OS
$1,201,669
16,000
---
10/31/25
---
$75.10
36,330
-30.6
D
10b
11/3/25 - 8:14:50 pm
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