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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:
CYTEK BIOSCIENCES INC: CTKB
Price: 4/18/25 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
$3.65 $7.63 $3.27 $468 128 840 0.0% 4.6% 61.45% 8.90%
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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
    
 
BARNETT VALERIE
LO
JS
$25,850
5,929
---
3/10/25
---
$4.36
67,076
-8.1
D
R
3/12/25 - 5:55:49 pm
2
    
 
BARNETT VALERIE
LO
JB
---
15,221
---
3/10/25
---
---
77,389
24.5
D
R
3/12/25 - 5:55:49 pm
3
    
 
BUSQUE PHILIPPE
VP,SO
JS
$8,489
1,947
---
3/10/25
---
$4.36
14,121
-12.1
D
R
3/12/25 - 5:53:58 pm
4
    
 
BUSQUE PHILIPPE
VP,SO
JB
---
4,995
---
3/10/25
---
---
17,067
41.4
D
R
3/12/25 - 5:53:58 pm
5
    
 
JIANG WENBIN
PR,CEO,DIR
JS
$55,180
12,656
---
3/10/25
---
$4.36
5,203,442
-0.2
D
R
3/12/25 - 5:51:55 pm
6
    
 
JIANG WENBIN
PR,CEO,DIR
JB
---
45,175
---
3/10/25
---
---
5,232,909
0.9
D
R
3/12/25 - 5:51:55 pm
7
    
 
YAN MING
CTO,DIR
JS
$22,219
5,096
---
3/10/25
---
$4.36
6,026,621
-0.1
D
R
3/12/25 - 5:49:34 pm
8
    
 
YAN MING
CTO,DIR
JB
---
17,183
---
3/10/25
---
---
6,033,987
0.3
D
R
3/12/25 - 5:49:34 pm
9
    
 
HOLDER MICHAEL
DIR
JB
---
2,908
---
3/10/25
---
---
6,543
80.0
D
R
3/12/25 - 5:47:59 pm
10
    
 
BARNETT VALERIE
LO
JS
$4,174
786
---
2/18/25
---
$5.31
64,080
-1.2
D
R
2/20/25 - 6:12:56 pm
11
    
 
BARNETT VALERIE
LO
JB
---
2,016
---
2/18/25
---
---
64,866
3.2
D
R
2/20/25 - 6:12:56 pm
12
    
 
YAN MING
CTO,DIR
JS
$3,122
588
---
2/18/25
---
$5.31
6,019,715
-0.0
D
R
2/20/25 - 6:11:31 pm
13
    
 
YAN MING
CTO,DIR
JB
---
1,981
---
2/18/25
---
---
6,020,303
0.0
D
R
2/20/25 - 6:11:31 pm
14
    
 
JIANG WENBIN
PR,CEO,DIR
JS
$10,641
2,004
---
2/18/25
---
$5.31
5,192,392
-0.0
D
R
2/20/25 - 6:09:52 pm
15
    
 
JIANG WENBIN
PR,CEO,DIR
JB
---
6,758
---
2/18/25
---
---
5,194,396
0.1
D
R
2/20/25 - 6:09:52 pm
16
    
 
BUSQUE PHILIPPE
VP,SO
JS
$8,804
1,460
---
11/18/24
---
$6.03
11,522
-11.2
D
R
11/20/24 - 6:25:33 pm
17
    
 
BUSQUE PHILIPPE
VP,SO
JB
---
3,746
---
11/18/24
---
---
13,732
37.5
D
R
11/20/24 - 6:25:33 pm
18
    
 
BARNETT VALERIE
LO
JS
$27,129
4,499
---
11/18/24
---
$6.03
55,272
-7.5
D
R
11/20/24 - 6:23:24 pm
19
    
 
BARNETT VALERIE
LO
JB
---
13,432
---
11/18/24
---
---
65,453
25.8
D
R
11/20/24 - 6:23:24 pm
20
    
 
JIANG WENBIN
PR,CEO,DIR
JS
$59,679
9,897
---
11/18/24
---
$6.03
5,162,008
-0.2
D
R
11/20/24 - 6:21:25 pm
21
    
 
JIANG WENBIN
PR,CEO,DIR
JB
---
40,639
---
11/18/24
---
---
5,193,020
0.8
D
R
11/20/24 - 6:21:25 pm
22
    
 
POIRSON ALLEN
VP,BD
JS
$12,150
2,015
---
11/18/24
---
$6.03
57,307
-3.4
D
R
11/20/24 - 6:19:56 pm
23
    
 
POIRSON ALLEN
VP,BD
JB
---
5,171
---
11/18/24
---
---
60,713
9.3
D
R
11/20/24 - 6:19:56 pm
24
    
 
YAN MING
CTO,DIR
JS
$21,841
3,622
---
11/18/24
---
$6.03
6,008,573
-0.1
D
R
11/20/24 - 6:18:16 pm
25
    
 
YAN MING
CTO,DIR
JB
---
14,869
---
11/18/24
---
---
6,019,668
0.2
D
R
11/20/24 - 6:18:16 pm
26
    
 
HOLDER MICHAEL
DIR
JB
---
2,181
---
11/18/24
---
---
3,635
150.0
D
R
11/20/24 - 6:16:06 pm
27
    
 
JIANG WENBIN
PR,CEO,DIR
JS
---
200,000
---
9/14/24
---
---
5,156,896
-3.7
D
---
9/16/24 - 6:26:19 pm
28
    
 
HOLDER MICHAEL
DIR
JB
---
1,454
---
8/19/24
---
---
1,454
New
D
R
8/21/24 - 6:28:27 pm
29
    
 
BARNETT VALERIE
LO
JS
$27,904
5,046
---
8/19/24
---
$5.53
46,761
-9.7
D
R
8/21/24 - 6:26:46 pm
30
    
 
BARNETT VALERIE
LO
JB
---
13,432
---
8/19/24
---
---
56,743
31.0
D
R
8/21/24 - 6:26:46 pm
31
    
 
JIANG WENBIN
PR,CEO,DIR
JS
$54,730
9,897
---
8/19/24
---
$5.53
5,331,266
-0.2
D
R
8/21/24 - 6:24:46 pm
32
    
 
JIANG WENBIN
PR,CEO,DIR
JB
---
40,639
---
8/19/24
---
---
5,362,278
0.8
D
R
8/21/24 - 6:24:46 pm
33
    
 
YAN MING
CTO,DIR
JS
$20,632
3,731
---
8/19/24
---
$5.53
5,997,330
-0.1
D
R
8/21/24 - 6:22:49 pm
34
    
 
YAN MING
CTO,DIR
JB
---
14,869
---
8/19/24
---
---
6,008,421
0.2
D
R
8/21/24 - 6:22:49 pm
35
    
 
WILLIAMS PAUL CHRISTOPHER
COO
JS
$23,198
4,195
---
8/19/24
---
$5.53
10,516
-28.5
D
R
8/21/24 - 6:21:19 pm
36
    
 
WILLIAMS PAUL CHRISTOPHER
COO
JB
---
10,766
---
8/19/24
---
---
19,917
117.6
D
R
8/21/24 - 6:21:19 pm
37
    
 
POIRSON ALLEN
VP,BD
JS
$11,143
2,015
---
8/19/24
---
$5.53
54,151
-3.6
D
R
8/21/24 - 6:19:44 pm
38
    
 
POIRSON ALLEN
VP,BD
JB
---
5,171
---
8/19/24
---
---
57,557
9.9
D
R
8/21/24 - 6:19:44 pm
39
    
 
BUSQUE PHILIPPE
VP,SO
JS
$8,074
1,460
---
8/19/24
---
$5.53
9,236
-13.6
D
R
8/21/24 - 6:15:55 pm
40
    
 
BUSQUE PHILIPPE
VP,SO
JB
---
3,746
---
8/19/24
---
---
11,446
48.6
D
R
8/21/24 - 6:15:55 pm
41
    
 
HOLDER MICHAEL
DIR
3
---
---
---
6/5/24
---
---
---
---
---
---
6/7/24 - 7:05:35 pm
42
    
 
POIRSON ALLEN
VP,BD
JS
$8,624
1,447
---
5/20/24
---
$5.96
51,887
-2.7
D
R
5/22/24 - 6:41:15 pm
43
    
 
POIRSON ALLEN
VP,BD
JB
---
3,711
---
5/20/24
---
---
54,157
7.4
D
R
5/22/24 - 6:41:15 pm
44
    
 
YAN MING
CTO,DIR
JS
$18,697
3,137
---
5/20/24
---
$5.96
5,989,895
-0.1
D
R
5/22/24 - 6:36:04 pm
45
    
 
YAN MING
CTO,DIR
JB
---
10,572
---
5/20/24
---
---
5,997,030
0.2
D
R
5/22/24 - 6:36:04 pm
46
    
 
WILLIAMS PAUL CHRISTOPHER
COO
JS
$17,445
2,927
---
5/20/24
---
$5.96
5,931
-33.0
D
R
5/22/24 - 6:34:40 pm
47
    
 
WILLIAMS PAUL CHRISTOPHER
COO
JB
---
7,512
---
5/20/24
---
---
12,198
160.3
D
R
5/22/24 - 6:34:40 pm
48
    
 
JIANG WENBIN
PR,CEO,DIR
JS
$42,328
7,102
---
5/20/24
---
$5.96
5,309,068
-0.1
D
R
5/22/24 - 6:32:48 pm
49
    
 
JIANG WENBIN
PR,CEO,DIR
JB
---
29,345
---
5/20/24
---
---
5,329,742
0.6
D
R
5/22/24 - 6:32:48 pm
50
    
 
BARNETT VALERIE
LO
JS
$22,356
3,751
---
5/20/24
---
$5.96
37,399
-9.1
D
R
5/22/24 - 6:31:04 pm
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