Insider Trading

Current insider transactions (SEC Form 4) — buys and sells by officers, directors, and major shareholders.

A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).
Ticker	Insider	Title	Date	Transaction	Price ($)	Shares	Value ($)	SEC Form 4
GCT	Chen Zhiwu	Director	09/16/2026	Verkauf	52.96	1,500	79,440	Form 4
GCT	Chen Zhiwu	Director	09/14/2026	Verkauf	52.38	1,500	78,570	Form 4
GCTS	Sum Alex	Sr. VP of Sales and Marketing	09/10/2026	Zuteilung	—	75,000	—	Form 4
GCTS	Schlaefer John	President, CEO & Class III Dir	09/10/2026	Zuteilung	—	150,000	—	Form 4
GCTS	Kim Jeong-Min	Chief Technology Officer	09/10/2026	Zuteilung	—	100,000	—	Form 4
GCTS	Cheng Edmond	Chief Financial Officer	09/10/2026	Zuteilung	—	145,000	—	Form 4
GCT	Wu Lei	Chief Executive Officer	08/20/2026	Optionsausübung	—	413,942	—	Form 4
GCT	Lebensburger Kenneth E Jr	Director	08/17/2026	Zuteilung	—	549	—	Form 4
GCT	Visser Jan William	Director	08/17/2026	Zuteilung	—	549	—	Form 4
GCT	Chen Zhiwu	Director	08/17/2026	Zuteilung	—	549	—	Form 4
GCT	Bernes Marshall	Head of Brand Center	08/13/2026	Verkauf	53.00	10,000	530,000	Form 4
GCT	Wan Xin	Chief Technology Officer	08/11/2026	Verkauf	51.40	27,628	1,420,079	Form 4
GCT	Wan Xin	Chief Technology Officer	08/11/2026	Verkauf	50.55	32,372	1,636,405	Form 4
GCT	Bernes Marshall	Head of Brand Center	08/10/2026	Verkauf	51.88	5,000	259,400	Form 4
GCT	Schrock Iman Aj	President	08/10/2026	Verkauf	51.61	3,300	170,313	Form 4
GCT	Schrock Iman Aj	President	08/10/2026	Verkauf	52.20	3,379	176,384	Form 4
GCT	Wu Lei	Chief Executive Officer	08/10/2026	Schenkung	—	6,000	—	Form 4

A compact market overview — not investment advice. Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q).

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