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Detailed Insider History for:
CYTOKINETICS INC: CYTK
Price: 10/17/25 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
$58.44 $63.86 $29.31 $6,993 120 2,174 0.0% 15.4% 116.79% 0.66%
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
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
OS
$122,553
2,105
---
10/21/25
---
$58.22
140,610
-1.5
D
10b
10/21/25 - 6:18:38 pm
2
    
 
MALIK FADY IBRAHAM
VP
OE
$22,313
2,105
---
10/21/25
---
$10.60
142,715
1.5
D
10b
10/21/25 - 6:18:38 pm
3
1y
125
30%
34%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$300,150
5,000
---
10/16/25
---
$60.03
363,108
-1.4
D
10b
10/16/25 - 5:05:27 pm
4
    
 
WIERENGA WENDELL
DIR
JB
$6,217
99
---
10/15/25
---
$62.80
32,444
0.3
D
---
10/21/25 - 12:22:38 pm
5
    
 
HARRINGTON ROBERT ARTHUR
DIR
JB
$12,497
199
---
10/15/25
---
$62.80
20,692
1.0
D
---
10/16/25 - 4:37:51 pm
6
    
 
HENDERSON JOHN T
DIR
JB
$21,226
338
---
10/15/25
---
$62.80
74,578
0.5
D
---
10/16/25 - 4:36:24 pm
7
    
 
KAYE EDWARD M MD
DIR
JB
$12,497
199
---
10/15/25
---
$62.80
9,977
2.0
D
---
10/16/25 - 4:34:47 pm
8
    
 
WYSENSKI NANCY
DIR
JB
$6,217
99
---
10/15/25
---
$62.80
30,873
0.3
D
---
10/16/25 - 4:32:35 pm
9
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
OS
$121,120
2,000
---
10/7/25
---
$60.56
140,610
-1.4
D
10b
10/7/25 - 5:08:38 pm
10
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
10/7/25
---
$10.60
142,610
1.4
D
10b
10/7/25 - 5:08:38 pm
11
1y
3
33%
-3%
3
KAYE EDWARD M MD
DIR
AS
$405,420
6,757
---
10/6/25
---
$60.00
9,778
-40.9
D
10b
10/6/25 - 4:27:58 pm
12
1y
125
30%
34%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$275,250
5,000
---
10/1/25
---
$55.05
368,108
-1.3
D
10b
10/1/25 - 4:26:55 pm
13
1y
3
33%
-3%
3
KAYE EDWARD M MD
DIR
AS
$368,761
6,695
---
9/30/25
---
$55.08
16,535
-28.8
D
10b
9/30/25 - 4:33:53 pm
14
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
OS
$98,560
2,000
---
9/23/25
---
$49.28
140,610
-1.4
D
10b
9/23/25 - 5:07:24 pm
15
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
9/23/25
---
$10.60
142,610
1.4
D
10b
9/23/25 - 5:07:24 pm
16
1y
125
30%
34%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$248,850
5,000
---
9/15/25
---
$49.77
373,108
-1.3
D
10b
9/15/25 - 4:47:50 pm
17
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
OS
$102,580
2,000
---
9/9/25
---
$51.29
140,610
-1.4
D
10b
9/10/25 - 4:13:04 pm
18
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
9/9/25
---
$10.60
142,610
1.4
D
10b
9/10/25 - 4:13:04 pm
19
1y
3
33%
-3%
3
KAYE EDWARD M MD
DIR
AS
$337,800
6,756
---
9/2/25
---
$50.00
23,230
-22.5
D
10b
9/2/25 - 4:41:40 pm
20
1y
2
100%
-40%
1
HARRINGTON ROBERT ARTHUR
DIR
AS
$104,641
2,150
---
9/2/25
---
$48.67
20,493
-9.5
D
10b
9/2/25 - 4:34:00 pm
21
1y
125
30%
34%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$243,800
5,000
---
9/2/25
---
$48.76
378,108
-1.3
D
10b
9/2/25 - 4:31:45 pm
22
    
 
DALY JAMES M
DIR
3
---
---
---
8/19/25
---
---
---
---
---
---
8/20/25 - 7:58:44 am
23
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
OS
$76,620
2,000
---
8/19/25
---
$38.31
140,610
-1.4
D
10b
8/19/25 - 4:37:02 pm
24
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
8/19/25
---
$10.60
142,610
1.4
D
10b
8/19/25 - 4:37:02 pm
25
1y
125
30%
34%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$192,100
5,000
---
8/15/25
---
$38.42
383,108
-1.3
D
10b
8/15/25 - 4:23:29 pm
26
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
OS
$72,680
2,000
---
8/5/25
---
$36.34
140,610
-1.4
D
10b
8/5/25 - 6:28:50 pm
27
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
8/5/25
---
$10.60
142,610
1.4
D
10b
8/5/25 - 6:28:50 pm
28
1y
125
30%
34%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$182,250
5,000
---
7/29/25
---
$36.45
388,108
-1.3
D
10b
7/31/25 - 4:38:53 pm
29
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
OS
$74,940
2,000
---
7/22/25
---
$37.47
140,610
-1.4
D
10b
7/23/25 - 11:01:40 am
30
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
7/22/25
---
$10.60
142,610
1.4
D
10b
7/23/25 - 11:01:40 am
31
    
 
HENDERSON JOHN T
DIR
JB
$21,248
559
---
7/15/25
---
$38.01
74,240
0.8
D
---
7/16/25 - 5:48:12 pm
32
    
 
WYSENSKI NANCY
DIR
JB
$6,234
164
---
7/15/25
---
$38.01
30,774
0.5
D
---
7/16/25 - 5:45:34 pm
33
    
 
WIERENGA WENDALL
DIR
JB
$6,234
164
---
7/15/25
---
$38.01
32,345
0.5
D
---
7/16/25 - 5:44:25 pm
34
    
 
KAYE EDWARD M MD
DIR
JB
$12,467
328
---
7/15/25
---
$38.01
29,986
1.1
D
---
7/16/25 - 5:43:05 pm
35
    
 
HARRINGTON ROBERT ARTHUR
DIR
JB
$12,467
328
---
7/15/25
---
$38.01
22,643
1.5
D
---
7/16/25 - 5:41:52 pm
36
1y
125
30%
34%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$190,750
5,000
---
7/14/25
---
$38.15
393,108
-1.3
D
10b
7/15/25 - 5:38:08 pm
37
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
OS
$67,520
2,000
---
7/8/25
---
$33.76
140,610
-1.4
D
10b
7/8/25 - 4:21:58 pm
38
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
7/8/25
---
$10.60
142,610
1.4
D
10b
7/8/25 - 4:21:58 pm
39
1y
125
30%
34%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$167,750
5,000
---
7/1/25
---
$33.55
398,108
-1.2
D
10b
7/2/25 - 3:51:28 pm
40
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
OS
$65,820
2,000
---
6/17/25
---
$32.91
140,610
-1.4
D
10b
6/17/25 - 4:27:25 pm
41
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
6/17/25
---
$10.60
142,610
1.4
D
10b
6/17/25 - 4:27:25 pm
42
1y
125
30%
34%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$169,000
5,000
---
6/16/25
---
$33.80
403,108
-1.2
D
10b
6/16/25 - 5:19:37 pm
43
1y
3
33%
-3%
3
KAYE EDWARD M MD
DIR
AS
$116,716
3,636
---
6/5/25
---
$32.10
29,658
-10.9
D
10b
6/5/25 - 4:42:43 pm
44
6m
7
0%
23%
1
CALLOS ANDREW
VP
AS
$277,434
8,659
---
6/5/25
---
$32.04
52,028
-14.3
D
10b
6/5/25 - 4:38:30 pm
45
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
AS
$63,760
2,000
---
6/3/25
---
$31.88
140,610
-1.4
D
10b
6/3/25 - 4:22:27 pm
46
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
6/3/25
---
$10.60
142,610
1.4
D
10b
6/3/25 - 4:22:27 pm
47
    
 
LEE SUNG
VP,CFO
JS
$154,958
4,965
---
6/2/25
---
$31.21
69,477
-6.7
D
R
6/3/25 - 4:02:50 pm
48
1y
125
30%
34%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$156,100
5,000
---
6/2/25
---
$31.22
408,108
-1.2
D
10b
6/2/25 - 4:33:39 pm
49
1y
77
32%
37%
1
MALIK FADY IBRAHAM
VP
OS
$63,960
2,000
---
5/20/25
---
$31.98
140,255
-1.4
D
10b
5/20/25 - 4:28:28 pm
50
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
5/20/25
---
$10.60
142,255
1.4
D
10b
5/20/25 - 4:28:28 pm
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