Stocks
GCTS GCT Semiconductor Holding, Inc.

GCTS

GCT Semiconductor Holding, Inc.

Company with tickers: GCTS, GCTS-WT

CIK

1851961

CUSIP

36170N107

Shares Outstanding

83,081,325

13F Activity (30d)

30 filings 30 filers

Date	Insider	Role	Type	Shares	Price	Value	After
2026-03-31	TUDER JEFFREY	Director	Award	24,122	—	—	141,931
2026-03-31	Barker Robert	Director	Award	24,122	—	—	142,451
2026-03-31	Lee Kyeongho	Director	Award	24,122	—	—	1,086,863
2026-03-31	Chun Kukjin	Director	Award	24,122	—	—	89,377
2026-03-31	Shin Hyunsoo	Director	Award	24,122	—	—	804,809
2026-03-31	Chan Nelson	Director	Award	24,122	—	—	125,642
2026-02-23	Chun Kukjin	Director	Gift	40,000	—	—	65,255
2025-12-31	Shin Hyunsoo	Director	Award	22,916	—	—	780,687
2025-12-31	Lee Kyeongho	Director	Award	22,916	—	—	1,062,741
2025-12-31	Chun Kukjin	Director	Award	22,916	—	—	105,255
2025-12-31	Chan Nelson	Director	Award	22,916	—	—	101,520
2025-12-31	TUDER JEFFREY	Director	Award	22,916	—	—	117,809
2025-12-31	Barker Robert	Director	Award	22,916	—	—	118,329
2025-11-25	Shin Hyunsoo	Director	Buy	16,725	$1.28	$21,408	757,771
2025-11-21	Shin Hyunsoo	Director	Buy	3,180	$1.28	$4,070	741,046
2025-11-20	Shin Hyunsoo	Director	Buy	25,453	$1.28	$32,580	737,866
2025-09-30	Barker Robert	Director	Award	18,092	—	—	95,413
2025-09-30	Chun Kukjin	Director	Award	18,092	—	—	82,339
2025-09-30	Chan Nelson	Director	Award	18,092	—	—	78,604
2025-09-30	Shin Hyunsoo	Director	Award	18,092	—	—	712,413
2025-09-30	Lee Kyeongho	Director	Award	18,092	—	—	1,039,825
2025-09-30	TUDER JEFFREY	Director	Award	18,092	—	—	94,893
2025-09-26	Schlaefer John	Director, President, CEO & Class III Dir	Other	555	—	—	202,728
2025-09-19	Schlaefer John	Director, President, CEO & Class III Dir	Award	75,000	—	—	202,173
2025-09-19	Kim Jeong-Min	Chief Technology Officer	Award	75,000	—	—	302,701
2025-09-19	Cheng Edmond	Chief Financial Officer	Award	75,000	—	—	151,000
2025-09-19	Sum Alex	Sr. VP of Sales and Marketing	Award	75,000	—	—	183,743
2025-09-12	Shin Hyunsoo	Director	Buy	44,067	$1.51	$66,541	694,321
2025-09-05	Shin Hyunsoo	Director	Buy	10,300	$1.30	$13,390	650,254
2025-09-04	Shin Hyunsoo	Director	Buy	8,250	$1.26	$10,395	639,954
2025-08-15	Shin Hyunsoo	Director	Buy	121,000	$1.26	$152,460	631,704
2025-06-30	TUDER JEFFREY	Director	Award	18,456	—	—	76,801
2025-06-30	Lee Kyeongho	Director	Award	18,456	—	—	1,021,733
2025-06-30	Barker Robert	Director	Award	18,456	—	—	77,321
2025-06-30	Shin Hyunsoo	Director	Award	18,456	—	—	510,704
2025-06-30	Chan Nelson	Director	Award	18,456	—	—	60,512
2025-06-30	Chun Kukjin	Director	Award	18,456	—	—	64,247
2025-06-10	Shin Hyunsoo	Director	Buy	45,000	$1.16	$52,200	492,248
2025-06-10	Shin Hyunsoo	Director	Buy	40,000	$1.20	$48,000	447,248
2025-06-05	Shin Hyunsoo	Director	Buy	21,300	$1.02	$21,726	407,248
2025-06-05	Shin Hyunsoo	Director	Buy	58,700	$1.03	$60,461	385,948
2025-06-04	Shin Hyunsoo	Director	Buy	80,000	$1.02	$81,600	327,248
2025-05-23	Shin Hyunsoo	Director	Buy	77,000	$1.04	$80,080	247,248
2025-05-20	Shin Hyunsoo	Director	Buy	86,000	$1.18	$101,480	170,248
2025-03-31	Shin Hyunsoo	Director	Award	16,768	—	—	84,248
2025-03-31	Chan Nelson	Director	Award	16,768	—	—	42,056
2025-03-31	Lee Kyeongho	Director	Award	16,768	—	—	1,003,277
2025-03-31	Barker Robert	Director	Award	16,768	—	—	58,865
2025-03-31	TUDER JEFFREY	Director	Award	16,768	—	—	42,056
2025-03-31	Chun Kukjin	Director	Award	16,768	—	—	45,791

Showing 1–50 of 154 transactions