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GCTS

GCT Semiconductor Holding, Inc.CIK 1851961 ☆ Sign in to watchCongress trades
Open-mkt buys · 90d
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0 trades · 0 insiders
Open-mkt sales · 90d
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0 trades · 0 insiders
Net · 90d
$0
Insiders on file
13

AI insights for GCTS PRO

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AI insights for GCTS
Insider sentiment score with a plain-English explanation, conviction score on every buy, and how the stock performed 30 and 90 days after past insider buys.
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Daily buy vs sell · 90 days

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Insiders

InsiderRoleTradesBoughtSoldLast trade
Chun KukjinDirector, Other13$0$02026-09-30
Barker RobertDirector, Other18$0$02026-09-30
Shin HyunsooDirector, Other30$746.4K$02026-09-30
TUDER JEFFREYDirector, Other12$0$02026-09-30
Lee KyeonghoDirector, Other15$0$02026-09-30
Chan NelsonDirector, Other10$0$02026-09-30
Kim Jeong-MinVP of Engineering & CTO13$0$02026-09-10
Sum AlexVP of Marketing and Sales17$0$02026-09-10
Schlaefer JohnPresident, CEO & Class III Dir, Director18$0$02026-09-10
Cheng EdmondChief Financial Officer4$0$02026-09-10
Concord Sponsor Group III LLC10% Owner10$0$02025-03-26
Anapass, Inc.10% Owner5$2.24M$02024-09-26
Yoon DavidVice President of Finance7$0$02024-03-26

Trade history

InsiderRoleCodeTradeFiledSharesPriceValueOwned after
Lee KyeonghoDirector, Other A Award2026-09-302026-10-0212,971— $01,109,093SEC↗
TUDER JEFFREYDirector, Other A Award2026-09-302026-10-0212,971— $0164,161SEC↗
Shin HyunsooDirector, Other A Award2026-09-302026-10-0212,971— $0827,039SEC↗
Chun KukjinDirector, Other A Award2026-09-302026-10-0212,971— $0111,607SEC↗
Chan NelsonDirector, Other A Award2026-09-302026-10-0212,971— $0147,872SEC↗
Barker RobertDirector, Other A Award2026-09-302026-10-0212,971— $0164,681SEC↗
Cheng EdmondChief Financial Officer A Award2026-09-102026-09-14145,000— $0296,000SEC↗
Kim Jeong-MinChief Technology Officer A Award2026-09-102026-09-14100,000— $0402,701SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award2026-09-102026-09-14150,000— $0352,728SEC↗
Sum AlexSr. VP of Sales and Marketin A Award2026-09-102026-09-1475,000— $0258,743SEC↗
Sum AlexSr. VP of Sales and Marketin A Award2026-09-102026-09-1475,000— $0258,743SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award2026-09-102026-09-14150,000— $0352,728SEC↗
Kim Jeong-MinChief Technology Officer A Award2026-09-102026-09-14100,000— $0402,701SEC↗
Cheng EdmondChief Financial Officer A Award2026-09-102026-09-14145,000— $0296,000SEC↗
Shin HyunsooDirector A Award2026-06-302026-07-029,259— $0814,068SEC↗
Lee KyeonghoDirector A Award2026-06-302026-07-029,259— $01,096,122SEC↗
Chan NelsonDirector A Award2026-06-302026-07-029,259— $0134,901SEC↗
Chun KukjinDirector A Award2026-06-302026-07-029,259— $098,636SEC↗
Barker RobertDirector A Award2026-06-302026-07-029,259— $0151,710SEC↗
TUDER JEFFREYDirector A Award2026-06-302026-07-079,259— $0151,190SEC↗
Shin HyunsooDirector A Award2026-03-312026-04-0224,122— $0804,809SEC↗
Barker RobertDirector A Award2026-03-312026-04-0224,122— $0142,451SEC↗
Chun KukjinDirector A Award2026-03-312026-04-0224,122— $089,377SEC↗
Chan NelsonDirector A Award2026-03-312026-04-0224,122— $0125,642SEC↗
Lee KyeonghoDirector A Award2026-03-312026-04-0224,122— $01,086,863SEC↗
TUDER JEFFREYDirector A Award2026-03-312026-04-0224,122— $0141,931SEC↗
Chun KukjinDirector G Gift2026-02-232026-03-0640,000— $065,255SEC↗
Shin HyunsooDirector A Award2025-12-312026-01-0522,916— $0780,687SEC↗
Lee KyeonghoDirector A Award2025-12-312026-01-0522,916— $01,062,741SEC↗
Chun KukjinDirector A Award2025-12-312026-01-0522,916— $0105,255SEC↗
Chan NelsonDirector A Award2025-12-312026-01-0522,916— $0101,520SEC↗
Barker RobertDirector A Award2025-12-312026-01-0522,916— $0118,329SEC↗
TUDER JEFFREYDirector A Award2025-12-312026-01-0522,916— $0117,809SEC↗
Shin HyunsooDirector P Buy2025-11-252025-11-2816,725$1.28 $21.4K757,771SEC↗
Shin HyunsooDirector P Buy2025-11-212025-11-243,180$1.28 $4.1K741,046SEC↗
Shin HyunsooDirector P Buy2025-11-202025-11-2425,453$1.28 $32.6K737,866SEC↗
Barker RobertDirector A Award2025-09-302025-10-0218,092— $095,413SEC↗
Chan NelsonDirector A Award2025-09-302025-10-0218,092— $078,604SEC↗
Chun KukjinDirector A Award2025-09-302025-10-0218,092— $082,339SEC↗
Lee KyeonghoDirector A Award2025-09-302025-10-0218,092— $01,039,825SEC↗
Shin HyunsooDirector A Award2025-09-302025-10-0218,092— $0712,413SEC↗
TUDER JEFFREYDirector A Award2025-09-302025-10-0318,092— $094,893SEC↗
Schlaefer JohnPresident, CEO & Class III D J Other2025-09-262025-09-30555— $0202,728SEC↗
Sum AlexSr. VP of Sales and Marketin A Award2025-09-192025-09-2375,000— $0183,743SEC↗
Cheng EdmondChief Financial Officer A Award2025-09-192025-09-2375,000— $0151,000SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award2025-09-192025-09-2375,000— $0202,173SEC↗
Kim Jeong-MinChief Technology Officer A Award2025-09-192025-09-2375,000— $0302,701SEC↗
Shin HyunsooDirector P Buy2025-09-122025-09-1644,067$1.51 $66.5K694,321SEC↗
Shin HyunsooDirector P Buy2025-09-052025-09-0810,300$1.30 $13.4K650,254SEC↗
Shin HyunsooDirector P Buy2025-09-042025-09-088,250$1.26 $10.4K639,954SEC↗
Shin HyunsooDirector P Buy2025-08-152025-08-19121,000$1.26 $152.5K631,704SEC↗
Barker RobertDirector A Award2025-06-302025-07-0218,456— $077,321SEC↗
Chan NelsonDirector A Award2025-06-302025-07-0218,456— $060,512SEC↗
Chun KukjinDirector A Award2025-06-302025-07-0218,456— $064,247SEC↗
Lee KyeonghoDirector A Award2025-06-302025-07-0218,456— $01,021,733SEC↗
Shin HyunsooDirector A Award2025-06-302025-07-0218,456— $0510,704SEC↗
TUDER JEFFREYDirector A Award2025-06-302025-07-0218,456— $076,801SEC↗
Shin HyunsooDirector P Buy2025-06-102025-06-1245,000$1.16 $52.2K492,248SEC↗
Shin HyunsooDirector P Buy2025-06-102025-06-1240,000$1.20 $48.0K447,248SEC↗
Shin HyunsooDirector P Buy2025-06-052025-06-0621,300$1.02 $21.7K407,248SEC↗
Shin HyunsooDirector P Buy2025-06-052025-06-0658,700$1.03 $60.5K385,948SEC↗
Shin HyunsooDirector P Buy2025-06-042025-06-0680,000$1.02 $81.6K327,248SEC↗
Shin HyunsooClass II Director P Buy2025-05-232025-05-2777,000$1.04 $80.1K247,248SEC↗
Shin HyunsooClass II Director P Buy2025-05-202025-05-2186,000$1.18 $101.5K170,248SEC↗
Chan NelsonDirector A Award2025-03-312025-04-0216,768— $042,056SEC↗
TUDER JEFFREYDirector A Award2025-03-312025-04-0216,768— $042,056SEC↗
Lee KyeonghoDirector A Award2025-03-312025-04-0216,768— $01,003,277SEC↗
Chun KukjinDirector A Award2025-03-312025-04-0216,768— $045,791SEC↗
Shin HyunsooDirector A Award2025-03-312025-04-0216,768— $084,248SEC↗
Barker RobertDirector A Award2025-03-312025-04-0216,768— $058,865SEC↗
TUDER JEFFREYDirector J Other deriv2025-03-262025-04-2320,734— $00SEC↗
TUDER JEFFREYDirector J Other2025-03-262025-04-2316,289— $058,345SEC↗
Concord Sponsor Group III LLC10% Owner J Other deriv2025-03-262025-03-283,948,086— $00SEC↗
Concord Sponsor Group III LLC10% Owner J Other2025-03-262025-03-283,101,241— $0632,586SEC↗
Sum AlexSr. VP of Sales and Marketin M Exercise deriv2025-02-192025-02-2113,259— $00SEC↗
Sum AlexSr. VP of Sales and Marketin M Exercise2025-02-192025-02-2113,259$0.11 $1.5K108,743SEC↗
Schlaefer JohnPresident, CEO & Class III D M Exercise deriv2025-01-132025-02-2135,669— $00SEC↗
Schlaefer JohnPresident, CEO & Class III D M Exercise2025-01-132025-02-2135,669$0.11 $3.9K127,173SEC↗
Barker RobertDirector A Award2024-12-312025-01-0211,802— $041,162SEC↗
CHAN NELSON CDirector A Award2024-12-312025-01-0211,802— $025,288SEC↗
Chun KukjinDirector A Award2024-12-312025-01-0211,802— $028,964SEC↗
Lee KyeonghoDirector A Award2024-12-312025-01-0211,802— $01,697,279SEC↗
Shin HyunsooDirector A Award2024-12-312025-01-0211,802— $067,693SEC↗
TUDER JEFFREYDirector A Award2024-12-312025-01-0211,802— $025,288SEC↗
Shin HyunsooDirector A Award2024-12-162024-12-1637,000$2.57 $95.1K55,891SEC↗
Shin HyunsooDirector A Award2024-12-132024-12-16200$2.50 $50018,891SEC↗
Shin HyunsooDirector A Award2024-12-132024-12-16800$2.50 $2.0K18,691SEC↗
Barker RobertDirector A Award2024-09-302024-11-218,208— $029,360SEC↗
CHAN NELSON CDirector A Award2024-09-302024-11-218,208— $013,486SEC↗
Chun KukjinDirector A Award2024-09-302024-11-218,208— $017,162SEC↗
Lee KyeonghoDirector A Award2024-09-302024-11-218,208— $01,685,477SEC↗
Shin HyunsooDirector A Award2024-09-302024-11-218,208— $017,891SEC↗
TUDER JEFFREYDirector A Award2024-09-302024-11-218,208— $013,486SEC↗
Anapass, Inc.10% Owner P Buy deriv2024-09-262024-09-27148,320— $0148,320SEC↗
Anapass, Inc.10% Owner P Buy2024-09-262024-09-27741,603$3.02 $2.24M8,017,466SEC↗
Cheng EdmondChief Financial Officer A Award2024-08-212024-08-2376,000— $076,000SEC↗
Barker RobertDirector A Award2024-06-302024-07-035,278— $021,152SEC↗
CHAN NELSON CDirector A Award2024-06-302024-07-035,278— $05,278SEC↗
Chun KukjinDirector A Award2024-06-302024-07-035,278— $08,954SEC↗
Lee KyeonghoDirector A Award2024-06-302024-07-035,278— $01,677,269SEC↗
Shin HyunsooDirector A Award2024-06-302024-07-035,278— $09,683SEC↗
TUDER JEFFREYDirector A Award2024-06-302024-07-055,278— $05,278SEC↗
Kim JeemeeVP of Engineering & CTO A Award deriv2024-03-262025-04-073,731— $03,731SEC↗
Kim JeemeeVP of Engineering & CTO A Award deriv2024-03-262025-04-0759,952— $059,952SEC↗
Kim JeemeeVP of Engineering & CTO A Award deriv2024-03-262025-04-0718,676— $018,676SEC↗
Barker RobertDirector A Award deriv2024-03-262025-04-141,867— $01,867SEC↗
Barker RobertDirector A Award deriv2024-03-262025-04-14933— $0933SEC↗
Kim JeemeeVP of Engineering & CTO A Award2024-03-262025-04-0712,415— $0227,701SEC↗
Kim JeemeeVP of Engineering & CTO A Award2024-03-262025-04-07215,286— $0215,286SEC↗
Barker RobertDirector A Award2024-03-262025-04-1413,074— $013,074SEC↗
Barker RobertDirector A Award2024-03-262025-04-143,735— $016,809SEC↗
Sum AlexSr. VP of Sales and Marketin A Award deriv2024-03-262025-02-279,338— $09,338SEC↗
Sum AlexSr. VP of Sales and Marketin A Award deriv2024-03-262025-02-2713,540— $013,540SEC↗
Sum AlexSr. VP of Sales and Marketin A Award deriv2024-03-262025-02-2713,820— $013,820SEC↗
Sum AlexSr. VP of Sales and Marketin A Award deriv2024-03-262025-02-2713,259— $013,259SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award deriv2024-03-262025-02-2728,191— $028,191SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award deriv2024-03-262025-02-2721,533— $021,533SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award deriv2024-03-262025-02-2750,425— $050,425SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award deriv2024-03-262025-02-2735,669— $035,669SEC↗
Sum AlexSr. VP of Sales and Marketin A Award2024-03-262025-02-275,341— $05,341SEC↗
Sum AlexSr. VP of Sales and Marketin A Award2024-03-262025-02-2790,143— $090,143SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award2024-03-262025-02-2712,804— $012,804SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award2024-03-262025-02-2778,700— $078,700SEC↗
Anapass, Inc.10% Owner J Other deriv2024-03-262024-05-03937,350— $0937,350SEC↗
Lee KyeonghoDirector J Other deriv2024-03-262024-05-03800,000— $0800,000SEC↗
Anapass, Inc.10% Owner A Award2024-03-262024-05-037,275,863— $07,275,863SEC↗
Lee KyeonghoDirector A Award2024-03-262024-05-0393,380— $093,380SEC↗
Lee KyeonghoDirector A Award2024-03-262024-05-03867,840— $0867,840SEC↗
Chun KukjinDirector A Award deriv2024-03-262024-03-276,536— $06,536SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award deriv2024-03-262024-03-2721,533— $021,533SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award deriv2024-03-262024-03-2728,191— $028,191SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award deriv2024-03-262024-03-2735,669— $035,669SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award deriv2024-03-262024-03-2750,425— $050,425SEC↗
Kim JeemeeVP of Engineering & CTO A Award deriv2024-03-262024-03-2782,359— $03,731SEC↗
Kim JeemeeVP of Engineering & CTO A Award deriv2024-03-262024-03-2718,676— $018,676SEC↗
Kim JeemeeVP of Engineering & CTO A Award deriv2024-03-262024-03-2759,952— $059,952SEC↗
Shin HyunsooDirector A Award deriv2024-03-262024-03-276,536— $06,536SEC↗
Yoon DavidVice President of Finance A Award deriv2024-03-262024-03-279,431— $09,431SEC↗
Yoon DavidVice President of Finance A Award deriv2024-03-262024-03-276,536— $06,536SEC↗
Yoon DavidVice President of Finance A Award deriv2024-03-262024-03-2718,676— $018,676SEC↗
Yoon DavidVice President of Finance A Award deriv2024-03-262024-03-2713,540— $013,540SEC↗
Yoon DavidVice President of Finance A Award deriv2024-03-262024-03-2720,543— $020,543SEC↗
Sum AlexVP of Marketing and Sales A Award deriv2024-03-262024-03-2713,259— $013,259SEC↗
Sum AlexVP of Marketing and Sales A Award deriv2024-03-262024-03-279,338— $09,338SEC↗
Sum AlexVP of Marketing and Sales A Award deriv2024-03-262024-03-2713,540— $013,540SEC↗
Sum AlexVP of Marketing and Sales A Award deriv2024-03-262024-03-2713,820— $013,820SEC↗
Barker RobertDirector A Award deriv2024-03-262024-03-27933— $0933SEC↗
Barker RobertDirector A Award deriv2024-03-262024-03-271,867— $01,867SEC↗
Concord Sponsor Group III LLC10% Owner J Other deriv2024-03-262024-03-282,478,182— $05,782,424SEC↗
Concord Sponsor Group III LLC10% Owner A Award deriv2024-03-262024-03-288,260,606— $08,260,606SEC↗
Concord Sponsor Group III LLC10% Owner C Conversion deriv2024-03-262024-03-281— $00SEC↗
Concord Sponsor Group III LLC10% Owner J Other deriv2024-03-262024-03-281,834,338— $03,948,086SEC↗
Lee KyeonghoDirector A Award2024-03-262024-03-27867,840— $0867,840SEC↗
Lee KyeonghoDirector A Award2024-03-262024-03-2793,380— $093,380SEC↗
Chun KukjinDirector A Award2024-03-262024-03-273,735— $03,735SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award2024-03-262024-03-2712,804— $012,804SEC↗
Schlaefer JohnPresident, CEO & Class III D A Award2024-03-262024-03-2778,700— $078,700SEC↗
Kim JeemeeVP of Engineering & CTO A Award2024-03-262024-03-27215,285— $0215,285SEC↗
Kim JeemeeVP of Engineering & CTO A Award2024-03-262024-03-2712,415— $012,415SEC↗
Shin HyunsooDirector A Award2024-03-262024-03-273,735— $03,735SEC↗
Shin HyunsooDirector A Award2024-03-262024-03-27456— $0456SEC↗
Yoon DavidVice President of Finance A Award2024-03-262024-03-278,204— $08,204SEC↗
Yoon DavidVice President of Finance A Award2024-03-262024-03-2730,093— $030,093SEC↗
Sum AlexVP of Marketing and Sales A Award2024-03-262024-03-2790,142— $090,142SEC↗
Sum AlexVP of Marketing and Sales A Award2024-03-262024-03-275,341— $05,341SEC↗
Barker RobertDirector A Award2024-03-262024-03-2713,073— $013,073SEC↗
Barker RobertDirector A Award2024-03-262024-03-273,735— $03,735SEC↗
Anapass, Inc.10% Owner A Award2024-03-262024-03-277,275,863— $07,275,863SEC↗
Concord Sponsor Group III LLC10% Owner J Other2024-03-262024-03-281,304,477— $04,992,126SEC↗
Concord Sponsor Group III LLC10% Owner C Conversion2024-03-262024-03-281— $07,957,727SEC↗
Concord Sponsor Group III LLC10% Owner J Other2024-03-262024-03-28729,072— $06,296,603SEC↗
Concord Sponsor Group III LLC10% Owner J Other2024-03-262024-03-28932,052— $07,025,675SEC↗