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 JS
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Detailed Insider History for:
CYTOKINETICS INC: CYTK
Price: 3/13/26 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
$60.06 $70.98 $29.31 $7,397 123 1,956 0.0% 16.1% 115.52% 1.05%
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
1y
6
0%
38%
1
CALLOS ANDREW
VP
AS
$119,795
1,930
---
3/18/26
---
$62.07
78,185
-2.4
D
10b
3/18/26 - 4:55:25 pm
2
    
 
LEE SUNG
VP,CFO
S
$306,710
4,935
---
3/17/26
---
$62.15
87,127
-5.4
D
---
3/18/26 - 5:46:09 pm
3
1y
6
0%
38%
1
CALLOS ANDREW
VP
S
$530,885
8,542
---
3/17/26
---
$62.15
71,573
-10.7
D
---
3/18/26 - 5:43:50 pm
4
1y
90
28%
37%
1
MALIK FADY IBRAHAM
VP
S
$747,851
12,033
---
3/17/26
---
$62.15
153,902
-7.3
D
---
3/18/26 - 5:40:44 pm
5
1y
133
29%
34%
2
BLUM ROBERT I
PR,CEO,DIR
S
$2,274,752
36,601
---
3/17/26
---
$62.15
430,330
-7.8
D
---
3/18/26 - 5:37:21 pm
6
1y
6
0%
38%
1
CALLOS ANDREW
VP
AS
$104,300
1,709
---
3/16/26
---
$61.03
46,149
-3.6
D
10b
3/16/26 - 5:14:19 pm
7
    
 
BLUM ROBERT I
PR,CEO,DIR
JB
---
75,258
---
3/15/26
---
---
466,931
19.2
D
R
3/17/26 - 4:11:19 pm
8
    
 
CALLOS ANDREW
VP
JB
---
33,966
---
3/15/26
---
---
81,824
71.0
D
R
3/17/26 - 4:08:05 pm
9
    
 
HESSEKIEL JEFFREY
LO
JB
---
20,646
---
3/15/26
---
---
107,943
23.7
D
R
3/17/26 - 4:06:55 pm
10
    
 
LEE SUNG
VP,CFO
JB
---
20,646
---
3/15/26
---
---
92,062
28.9
D
R
3/17/26 - 4:05:26 pm
11
    
 
MALIK FADY IBRAHAM
VP
JB
---
27,306
---
3/15/26
---
---
165,935
19.7
D
R
3/17/26 - 4:03:46 pm
12
1y
6
0%
38%
1
CALLOS ANDREW
VP
S
$156,779
2,582
---
3/9/26
---
$60.72
47,858
-5.1
D
---
3/10/26 - 6:05:24 pm
13
1y
90
28%
37%
1
MALIK FADY IBRAHAM
VP
S
$176,513
2,907
---
3/9/26
---
$60.72
138,629
-2.1
D
---
3/10/26 - 6:03:12 pm
14
1y
133
29%
34%
2
BLUM ROBERT I
PR,CEO,DIR
S
$481,570
7,931
---
3/9/26
---
$60.72
391,673
-2.0
D
---
3/10/26 - 6:00:51 pm
15
1y
6
0%
38%
1
CALLOS ANDREW
VP
OS
$1,608,730
26,000
---
3/5/26
$61.87
$61.88
50,440
-34.0
D
10b
3/5/26 - 4:27:52 pm
16
    
 
CALLOS ANDREW
VP
OE
$779,330
26,000
---
3/5/26
---
$23.26
76,440
51.5
D
10b
3/5/26 - 4:27:52 pm
17
1y
13
85%
-19%
3
PARSHALL B LYNNE
DIR
AS
$306,050
5,000
---
3/2/26
---
$61.21
17,933
-21.8
D
10b
3/2/26 - 4:29:56 pm
18
1y
6
0%
38%
1
CALLOS ANDREW
VP
OS
$54,595
886
---
3/2/26
---
$61.62
50,440
-1.7
D
10b
3/2/26 - 4:28:06 pm
19
    
 
CALLOS ANDREW
VP
OE
$33,340
886
---
3/2/26
---
$37.63
51,326
1.8
D
10b
3/2/26 - 4:28:06 pm
20
1y
6
0%
38%
1
CALLOS ANDREW
VP
OS
$928,950
15,000
---
2/5/26
---
$61.93
50,440
-22.9
D
10b
2/5/26 - 8:17:30 pm
21
    
 
CALLOS ANDREW
VP
OE
$348,900
15,000
---
2/5/26
---
$23.26
65,440
29.7
D
10b
2/5/26 - 8:17:30 pm
22
1y
6
0%
38%
1
CALLOS ANDREW
VP
OS
$55,021
886
---
2/2/26
---
$62.10
50,440
-1.7
D
10b
2/2/26 - 4:40:38 pm
23
    
 
CALLOS ANDREW
VP
OE
$33,340
886
---
2/2/26
---
$37.63
51,326
1.8
D
10b
2/2/26 - 4:40:38 pm
24
    
 
DALY JAMES M
DIR
JB
$12,498
197
---
1/15/26
---
$63.44
197
New
D
---
1/20/26 - 4:17:27 pm
25
    
 
WYSENSKI NANCY
DIR
JB
$6,217
98
---
1/15/26
---
$63.44
30,971
0.3
D
---
1/16/26 - 4:22:27 pm
26
    
 
WIERENGA WENDELL
DIR
JB
$6,217
98
---
1/15/26
---
$63.44
32,542
0.3
D
---
1/16/26 - 4:20:42 pm
27
    
 
KAYE EDWARD M MD
DIR
JB
$12,498
197
---
1/15/26
---
$63.44
10,174
2.0
D
---
1/16/26 - 4:18:57 pm
28
    
 
HENDERSON JOHN T
DIR
JB
$21,189
334
---
1/15/26
---
$63.44
74,912
0.4
D
---
1/16/26 - 4:17:21 pm
29
    
 
HARRINGTON ROBERT ARTHUR
DIR
JB
$12,498
197
---
1/15/26
---
$63.44
18,739
1.1
D
---
1/16/26 - 4:15:32 pm
30
1y
6
0%
38%
1
CALLOS ANDREW
VP
OS
$904,200
15,000
---
1/5/26
---
$60.28
50,440
-22.9
D
10b
1/5/26 - 4:26:59 pm
31
    
 
CALLOS ANDREW
VP
OE
$348,900
15,000
---
1/5/26
---
$23.26
65,440
29.7
D
10b
1/5/26 - 4:26:59 pm
32
1y
6
0%
38%
1
CALLOS ANDREW
VP
OS
$112,585
1,798
---
1/2/26
$62.09
$63.16
50,440
-3.4
D
10b
1/2/26 - 6:01:33 pm
33
    
 
CALLOS ANDREW
VP
OE
$33,303
885
---
1/2/26
---
$37.63
51,325
1.8
D
10b
1/2/26 - 6:01:33 pm
34
1y
6
0%
38%
1
CALLOS ANDREW
VP
AS
$112,954
1,809
---
12/29/25
---
$62.44
51,353
-3.4
D
10b
12/30/25 - 4:34:40 pm
35
    
 
BLUM ROBERT I
PR,CEO,DIR
JS
$184,083
2,935
---
12/22/25
---
$62.72
399,604
-0.7
D
---
12/29/25 - 4:09:03 pm
36
    
 
BLUM ROBERT I
PR,CEO,DIR
JB
---
11,530
---
12/22/25
---
---
402,539
2.9
D
---
12/29/25 - 4:09:03 pm
37
    
 
MALIK FADY IBRAHAM
VP
JS
$63,724
1,016
---
12/22/25
---
$62.72
141,536
-0.7
D
---
12/29/25 - 4:06:38 pm
38
    
 
MALIK FADY IBRAHAM
VP
JB
---
4,000
---
12/22/25
---
---
142,552
2.9
D
---
12/29/25 - 4:06:38 pm
39
    
 
CALLOS ANDREW
VP
JS
$42,336
675
---
12/22/25
---
$62.72
53,162
-1.3
D
---
12/29/25 - 4:04:58 pm
40
    
 
CALLOS ANDREW
VP
JB
---
3,177
---
12/22/25
---
---
53,837
6.3
D
---
12/29/25 - 4:04:58 pm
41
    
 
LEE SUNG
VP,CFO
JS
$50,490
805
---
12/22/25
---
$62.72
71,416
-1.1
D
---
12/29/25 - 4:03:39 pm
42
    
 
LEE SUNG
VP,CFO
JB
---
4,304
---
12/22/25
---
---
72,221
6.3
D
---
12/29/25 - 4:03:39 pm
43
1y
133
29%
34%
2
BLUM ROBERT I
PR,CEO,DIR
OS
$2,074,445
30,426
---
12/22/25
---
$68.18
374,503
-7.5
D
---
12/23/25 - 4:26:45 pm
44
    
 
BLUM ROBERT I
PR,CEO,DIR
OE
$475,124
71,233
---
12/22/25
---
$6.67
404,929
21.3
D
---
12/23/25 - 4:26:45 pm
45
    
 
WIERENGA WENDELL
DIR
OS
$1,322,800
20,000
---
12/22/25
---
$66.14
32,444
-38.1
D
10b
12/23/25 - 4:13:49 pm
46
    
 
WIERENGA WENDELL
DIR
OE
$152,200
20,000
---
12/22/25
---
$7.61
52,444
61.6
D
10b
12/23/25 - 4:13:49 pm
47
1y
90
28%
37%
1
MALIK FADY IBRAHAM
VP
OS
$134,728
2,200
---
12/16/25
---
$61.24
138,552
-1.6
D
10b
12/16/25 - 4:29:38 pm
48
    
 
MALIK FADY IBRAHAM
VP
OE
$23,320
2,200
---
12/16/25
---
$10.60
140,752
1.6
D
10b
12/16/25 - 4:29:38 pm
49
1y
6
0%
38%
1
CALLOS ANDREW
VP
OS
$68,730
1,042
---
12/8/25
---
$65.96
50,660
-2.0
D
10b
12/8/25 - 5:28:16 pm
50
    
 
CALLOS ANDREW
VP
OE
$40,773
1,042
---
12/8/25
---
$39.13
51,702
2.1
D
10b
12/8/25 - 5:28:16 pm
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