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GCT Semiconductor (GCTS) SEC Filings & 10K Form

GCT Semiconductor logo
$1.64 -0.08 (-4.36%)
Closing price 09/24/2025 03:58 PM Eastern
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Recent GCT Semiconductor SEC Filings

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DateFilerForm TypeView
09/23/2025
3:05 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Sum Alex (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/23/2025
3:06 PM		Cheng Edmond (Reporting)
GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/23/2025
3:07 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Schlaefer John (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/23/2025
3:07 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Kim Jeong-Min (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/19/2025
3:07 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
09/16/2025
3:16 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Shin Hyunsoo (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
09/11/2025
7:44 AM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/22/2025
3:01 PM		GCT Semiconductor Holding, Inc. (Subject)
GCT Semiconductor (Subject)
SUNP Corp (Filed by)
Form SCHEDULE 13G/A
08/12/2025
3:16 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/04/2025
3:31 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form ARS
07/02/2025
3:30 PM		Chan Nelson (Reporting)
GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2025
3:31 PM		Chun Kukjin (Reporting)
GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2025
3:32 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Lee Kyeongho (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/02/2025
3:33 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Shin Hyunsoo (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/12/2025
8:11 AM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Shin Hyunsoo (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/10/2025
11:15 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form EFFECT
06/08/2025
11:15 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form EFFECT
06/06/2025
4:05 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form POS AM
06/06/2025
3:15 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/21/2025
3:39 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Shin Hyunsoo (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
05/16/2025
8:00 AM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 424B5
05/14/2025
3:16 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/04/2025
11:15 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form EFFECT
04/30/2025
11:15 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form EFFECT
04/23/2025
4:29 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form S-3
Registration statement under Securities Act of 1933  
04/16/2025
8:10 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
04/14/2025
7:27 PM		Barker Robert (Reporting)
GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Form 4/A
04/09/2025
11:15 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form EFFECT
04/07/2025
4:16 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Kim Jeemee (Reporting)
Form 4/A
04/01/2025
4:01 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form S-3
Registration statement under Securities Act of 1933  
03/26/2025
4:06 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 424B3
03/26/2025
4:07 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 424B3
03/25/2025
3:30 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/27/2025
3:00 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Sum Alex (Reporting)
Form 4/A
02/27/2025
3:01 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Schlaefer John (Reporting)
Form 4/A
02/21/2025
5:54 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Schlaefer John (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/21/2025
5:02 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Sum Alex (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025
3:02 PM		Barker Robert (Reporting)
GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025
3:03 PM		CHAN NELSON C (Reporting)
GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025
3:04 PM		Chun Kukjin (Reporting)
GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025
3:05 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Lee Kyeongho (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025
3:06 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Shin Hyunsoo (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/02/2025
3:07 PM		GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
TUDER JEFFREY (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/18/2024
3:59 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 424B3
11/14/2024
3:34 PM		GCT Semiconductor Holding, Inc. (Subject)
GCT Semiconductor (Subject)
MOORE CAPITAL MANAGEMENT, LP (Filed by)
Form SC 13G/A
11/13/2024
4:55 PM		GCT Semiconductor Holding, Inc. (Subject)
GCT Semiconductor (Subject)
PERISCOPE CAPITAL INC. (Filed by)
Form SC 13G/A
11/12/2024
5:55 PM		GCT Semiconductor Holding, Inc. (Subject)
GCT Semiconductor (Subject)
Harraden Circle Investments, LLC (Filed by)
Form SC 13G/A
11/12/2024
1:40 PM		COWEN AND COMPANY, LLC (Filed by)
GCT Semiconductor Holding, Inc. (Subject)
GCT Semiconductor (Subject)
Form SC 13G
09/27/2024
3:10 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 424B3
09/27/2024
3:08 PM		Anapass, Inc. (Reporting)
GCT Semiconductor Holding, Inc. (Issuer)
GCT Semiconductor (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
09/27/2024
3:09 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 424B3
09/26/2024
4:10 PM		GCT Semiconductor Holding, Inc. (Filer)
GCT Semiconductor (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
(Data available from 1/1/2016 forward)


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This page (NYSE:GCTS) was last updated on 9/25/2025 by MarketBeat.com Staff
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