Company
GCTS · CIK 0001851961
Acquisition (code A) of 12,971 shares at $0 per share.
Reporting Person Shin Hyunsoo · Transaction Code A
Traded Sep 30, 2026 · Disclosed Oct 2, 2026
Source: SEC Form 4 · 0000929638-26-003832 · filed 2026-10-02 · View filing →
Acquisition (code A) of 12,971 shares at $0 per share.
Reporting Person Chun Kukjin · Transaction Code A
Traded Sep 30, 2026 · Disclosed Oct 2, 2026
Source: SEC Form 4 · 0000929638-26-003834 · filed 2026-10-02 · View filing →
Acquisition (code A) of 12,971 shares at $0 per share.
Reporting Person Chan Nelson · Transaction Code A
Traded Sep 30, 2026 · Disclosed Oct 2, 2026
Source: SEC Form 4 · 0000929638-26-003836 · filed 2026-10-02 · View filing →
Acquisition (code A) of 12,971 shares at $0 per share.
Reporting Person TUDER JEFFREY · Transaction Code A
Traded Sep 30, 2026 · Disclosed Oct 2, 2026
Source: SEC Form 4 · 0000929638-26-003838 · filed 2026-10-02 · View filing →
Acquisition (code A) of 12,971 shares at $0 per share.
Reporting Person Barker Robert · Transaction Code A
Traded Sep 30, 2026 · Disclosed Oct 2, 2026
Source: SEC Form 4 · 0000929638-26-003840 · filed 2026-10-02 · View filing →
Acquisition (code A) of 12,971 shares at $0 per share.
Reporting Person Lee Kyeongho · Transaction Code A
Traded Sep 30, 2026 · Disclosed Oct 2, 2026
Source: SEC Form 4 · 0000929638-26-003842 · filed 2026-10-02 · View filing →
Acquisition (code A) of 145,000 shares at $0 per share.
Reporting Person Cheng Edmond · Officer Title Chief Financial Officer · Transaction Code A
Traded Sep 10, 2026 · Disclosed Sep 14, 2026
Source: SEC Form 4 · 0000929638-26-003523 · filed 2026-09-14 · View filing →
Acquisition (code A) of 100,000 shares at $0 per share.
Reporting Person Kim Jeong-Min · Officer Title Chief Technology Officer · Transaction Code A
Traded Sep 10, 2026 · Disclosed Sep 14, 2026
Source: SEC Form 4 · 0000929638-26-003524 · filed 2026-09-14 · View filing →
Acquisition (code A) of 150,000 shares at $0 per share.
Reporting Person Schlaefer John · Officer Title President, CEO & Class III Dir · Transaction Code A
Traded Sep 10, 2026 · Disclosed Sep 14, 2026
Source: SEC Form 4 · 0000929638-26-003525 · filed 2026-09-14 · View filing →
Acquisition (code A) of 75,000 shares at $0 per share.
Reporting Person Sum Alex · Officer Title Sr. VP of Sales and Marketing · Transaction Code A
Traded Sep 10, 2026 · Disclosed Sep 14, 2026
Source: SEC Form 4 · 0000929638-26-003526 · filed 2026-09-14 · View filing →