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Detailed Insider History for:
CYTOKINETICS INC: CYTK
Price: 5/23/25 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
$30.54 $61.38 $29.31 $3,647 119 2,134 0.0% 15.9% 120.63% 0.77%
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
67
25%
46%
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
2
    
 
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
3
1y
115
26%
39%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$154,650
5,000
---
5/16/25
---
$30.93
412,629
-1.2
D
10b
5/16/25 - 4:23:33 pm
4
1y
1
0%
60%
3
BHANJI MUNA
DIR
AS
$43,227
1,454
---
5/15/25
---
$29.73
23,510
-5.8
D
10b
5/15/25 - 6:51:22 pm
5
    
 
HARRINGTON ROBERT ARTHUR
DIR
JB
---
7,333
---
5/14/25
---
---
22,315
48.9
D
R
5/19/25 - 4:12:08 pm
6
    
 
PARSHALL B LYNNE
DIR
JB
---
7,333
---
5/14/25
---
---
27,933
35.6
D
R
5/15/25 - 6:46:09 pm
7
    
 
BHANJI MUNA
DIR
JB
---
7,333
---
5/14/25
---
---
24,964
41.6
D
R
5/14/25 - 7:42:00 pm
8
    
 
HENDERSON JOHN T
DIR
JB
---
7,333
---
5/14/25
---
---
73,681
11.1
D
R
5/14/25 - 7:40:18 pm
9
    
 
KAYE EDWARD M MD
DIR
JB
---
7,333
---
5/14/25
---
---
33,294
28.2
D
R
5/14/25 - 7:35:13 pm
10
    
 
LANDRY ROBERT E
DIR
JB
---
7,333
---
5/14/25
---
---
7,333
New
D
R
5/14/25 - 7:27:29 pm
11
    
 
WIERENGA WENDALL
DIR
JB
---
7,333
---
5/14/25
---
---
32,181
29.5
D
R
5/14/25 - 7:25:35 pm
12
    
 
WYSENSKI NANCY
DIR
JB
---
7,333
---
5/14/25
---
---
30,610
31.5
D
R
5/14/25 - 7:23:36 pm
13
1y
67
25%
46%
1
MALIK FADY IBRAHAM
VP
OS
$70,020
2,000
---
5/6/25
---
$35.01
140,255
-1.4
D
10b
5/6/25 - 4:37:08 pm
14
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
5/6/25
---
$10.60
142,255
1.4
D
10b
5/6/25 - 4:37:08 pm
15
1y
115
26%
39%
2
BLUM ROBERT I
PR,CEO,DIR
AS
$204,800
5,000
---
4/29/25
---
$40.96
417,629
-1.2
D
10b
4/29/25 - 4:33:42 pm
16
1y
67
25%
46%
1
MALIK FADY IBRAHAM
VP
AS
$76,220
2,000
---
4/22/25
---
$38.11
140,255
-1.4
D
10b
4/22/25 - 4:33:35 pm
17
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
4/22/25
---
$10.60
142,255
1.4
D
10b
4/22/25 - 4:33:35 pm
18
1y
6
17%
31%
5
WIERENGA WENDALL
DIR
OS
$769,200
20,000
---
4/21/25
---
$38.46
24,848
-44.6
D
10b
4/21/25 - 5:42:08 pm
19
    
 
WIERENGA WENDALL
DIR
OE
$124,200
20,000
---
4/21/25
---
$6.21
44,848
80.5
D
10b
4/21/25 - 5:42:08 pm
20
    
 
HENDERSON JOHN T
DIR
OS*
$123,325
3,190
---
4/15/25
---
$38.66
66,348
-4.6
D
10b
4/16/25 - 4:25:13 pm
21
1y
2
100%
62%
3
HENDERSON JOHN T
DIR
OE*
$124,200
20,000
---
4/15/25
---
$6.21
69,538
40.4
D
10b
4/16/25 - 4:25:13 pm
22
    
 
HENDERSON JOHN T
DIR
JB
$21,247
551
---
4/15/25
---
$38.56
66,348
0.8
D
---
4/16/25 - 4:07:26 pm
23
    
 
HARRINGTON ROBERT ARTHUR
DIR
JB
$12,493
324
---
4/15/25
---
$38.56
14,982
2.2
D
---
4/16/25 - 4:06:10 pm
24
    
 
KAYE EDWARD M MD
DIR
JB
$12,493
324
---
4/15/25
---
$38.56
25,961
1.3
D
---
4/16/25 - 4:05:13 pm
25
    
 
WIERENGA WENDALL
DIR
JB
$6,247
162
---
4/15/25
---
$38.56
24,848
0.7
D
---
4/16/25 - 4:04:02 pm
26
    
 
WYSENSKI NANCY
DIR
JB
$6,247
162
---
4/15/25
---
$38.56
23,277
0.7
D
---
4/16/25 - 4:02:43 pm
27
1y
115
26%
39%
2
BLUM ROBERT I
PR,CEO,DIR
S
$183,850
5,000
---
4/10/25
---
$36.77
422,629
-1.2
D
---
4/10/25 - 5:40:16 pm
28
1y
67
25%
46%
1
MALIK FADY IBRAHAM
VP
OS
$72,360
2,000
---
4/8/25
---
$36.18
140,255
-1.4
D
---
4/8/25 - 6:02:59 pm
29
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
4/8/25
---
$10.60
142,255
1.4
D
---
4/8/25 - 6:02:59 pm
30
1m
7
100%
-13%
1
CALLOS ANDREW
VP
S
$103,261
2,886
---
4/7/25
---
$35.78
64,689
-4.3
D
---
4/7/25 - 5:03:25 pm
31
9m
2
100%
-28%
1
HARRINGTON ROBERT ARTHUR
DIR
S
$17,744
450
---
4/3/25
---
$39.43
14,658
-3.0
D
---
4/4/25 - 4:10:13 pm
32
1y
115
26%
39%
2
BLUM ROBERT I
PR,CEO,DIR
S
$611,250
15,000
---
3/31/25
---
$40.75
427,629
-3.4
D
---
3/31/25 - 4:28:57 pm
33
    
 
MALIK FADY IBRAHAM
VP
JS
---
200
---
3/19/25
---
---
140,255
-0.1
D
---
3/19/25 - 6:03:36 pm
34
1y
67
25%
46%
1
MALIK FADY IBRAHAM
VP
OS
$87,160
2,000
---
3/18/25
---
$43.58
140,455
-1.4
D
---
3/18/25 - 4:29:17 pm
35
    
 
MALIK FADY IBRAHAM
VP
OE
$21,200
2,000
---
3/18/25
---
$10.60
142,455
1.4
D
---
3/18/25 - 4:29:17 pm
36
1m
7
100%
-13%
1
CALLOS ANDREW
VP
S
$123,155
2,775
---
3/17/25
---
$44.38
34,888
-7.4
D
R
3/17/25 - 8:23:31 pm
37
1y
67
25%
46%
1
MALIK FADY IBRAHAM
VP
S
$194,784
4,389
---
3/17/25
---
$44.38
101,005
-4.2
D
R
3/17/25 - 8:21:54 pm
38
1y
115
26%
39%
2
BLUM ROBERT I
PR,CEO,DIR
S
$561,318
12,648
---
3/17/25
---
$44.38
326,533
-3.7
D
R
3/17/25 - 8:19:52 pm
39
1y
115
26%
39%
2
BLUM ROBERT I
PR,CEO,DIR
S
$1,116,250
25,000
---
3/17/25
---
$44.65
339,181
-6.9
D
---
3/17/25 - 4:36:20 pm
40
1m
7
100%
-13%
1
CALLOS ANDREW
VP
OS
$943,426
20,900
---
3/17/25
---
$45.14
37,663
-35.7
D
---
3/17/25 - 4:33:26 pm
41
    
 
CALLOS ANDREW
VP
OE
$486,134
20,900
---
3/17/25
---
$23.26
58,563
55.5
D
---
3/17/25 - 4:33:26 pm
42
    
 
LEE SUNG
VP,CFO
JB
---
32,687
---
3/14/25
---
---
74,442
78.3
D
R
3/18/25 - 4:24:58 pm
43
    
 
CALLOS ANDREW
VP
JB
---
32,687
---
3/14/25
---
---
70,350
86.8
D
R
3/18/25 - 4:20:45 pm
44
    
 
MALIK FADY IBRAHAM
VP
JB
---
39,450
---
3/14/25
---
---
144,844
37.4
D
R
3/18/25 - 4:17:39 pm
45
    
 
BLUM ROBERT I
PR,CEO,DIR
JB
---
116,096
---
3/14/25
---
---
480,277
31.9
D
R
3/18/25 - 4:08:06 pm
46
1m
7
100%
-13%
1
CALLOS ANDREW
VP
OS
$4,500
100
---
3/14/25
---
$45.00
37,663
-0.3
D
---
3/14/25 - 8:53:44 pm
47
    
 
CALLOS ANDREW
VP
OE
$2,326
100
---
3/14/25
---
$23.26
37,763
0.3
D
---
3/14/25 - 8:53:44 pm
48
1m
7
100%
-13%
1
CALLOS ANDREW
VP
S
$1,167,751
26,771
---
3/13/25
---
$43.62
37,663
-41.5
D
10b
3/13/25 - 4:30:11 pm
49
1m
7
100%
-13%
1
CALLOS ANDREW
VP
S
$144,565
3,341
---
3/6/25
---
$43.27
64,434
-4.9
D
R
3/7/25 - 8:43:42 pm
50
1y
67
25%
46%
1
MALIK FADY IBRAHAM
VP
S
$356,026
8,228
---
3/6/25
---
$43.27
105,394
-7.2
D
R
3/7/25 - 8:41:54 pm
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