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 JS
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Detailed Insider History for:
GCT SEMICONDUCTOR HOLDING INC: GCTS
Price: 10/10/25 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
$1.42 $2.86 $0.90 $79 56 262 0.0% 4.1% 14.61% 24.11%
Exch Sector Industry Sub-Industry
NYSE Manufacturing Electronic And Other Electrical Equipment And Components, Except Computer Equipment Semiconductors & Related Devices
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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
    
 
TUDER JEFFREY
DIR
JB
---
18,092
---
9/30/25
---
---
94,893
23.6
D
R
10/3/25 - 4:03:38 pm
2
    
 
SHIN HYUNSOO
DIR
JB
---
18,092
---
9/30/25
---
---
712,413
2.6
D
R
10/2/25 - 4:08:03 pm
3
    
 
LEE KYEONGHO
CB,DIR
JB
---
18,092
---
9/30/25
---
---
1,039,825
1.8
D
R
10/2/25 - 4:06:50 pm
4
    
 
CHUN KUKJIN
DIR
JB
---
18,092
---
9/30/25
---
---
82,339
28.2
D
R
10/2/25 - 4:06:21 pm
5
    
 
CHAN NELSON
DIR
JB
---
18,092
---
9/30/25
---
---
78,604
29.9
D
R
10/2/25 - 4:05:31 pm
6
    
 
BARKER ROBERT
DIR
JB
---
18,092
---
9/30/25
---
---
95,413
23.4
D
R
10/2/25 - 4:04:58 pm
7
    
 
SCHLAEFER JOHN
PR,CEO,DIR
JB
---
555
---
9/26/25
---
---
202,728
0.3
D
---
9/30/25 - 4:02:38 pm
8
    
 
KIM JEONG MIN
CTO
JB
---
75,000
---
9/19/25
---
---
302,701
32.9
D
R
9/23/25 - 4:07:44 pm
9
    
 
SCHLAEFER JOHN
PR,CEO,DIR
JB
---
75,000
---
9/19/25
---
---
202,173
59.0
D
R
9/23/25 - 4:07:05 pm
10
    
 
CHENG EDMOND
CFO
JB
---
75,000
---
9/19/25
---
---
151,000
98.7
D
R
9/23/25 - 4:06:29 pm
11
    
 
SUM ALEX
VP,SO
JB
---
75,000
---
9/19/25
---
---
183,743
69.0
D
R
9/23/25 - 4:05:32 pm
12
    
 
SHIN HYUNSOO
DIR
B
$66,541
44,067
---
9/12/25
---
$1.51
694,321
6.8
D
---
9/16/25 - 4:16:09 pm
13
    
 
SHIN HYUNSOO
DIR
B
$23,785
18,550
9/4/25
9/5/25
$1.26
$1.30
650,254
2.9
D
---
9/8/25 - 4:04:46 pm
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