GCT Semiconductor Holding, Inc. (GCTS)

NYSE · Semiconductors & Related Devices · Inc. DE

What they're doing

Between 2026-06-21 and 2026-09-19, public records show 1 signal for GCT Semiconductor Holding, Inc.. Most notable: 2026-09-15: Filed 8-K disclosing director or officer change. Federal contract obligations over the last 24 months total $0. This summary was assembled automatically from SEC EDGAR, USAspending.gov, U.S. Senate lobbying disclosures and Wikimedia pageview counts.

Generated 2026-09-19 from public records.

Signals, last 12 months

  1. Material 8-K filing
    Filed 8-K disclosing director or officer change
  2. Material 8-K filing
    Filed 8-K disclosing material agreement
  3. Material 8-K filing
    Filed 8-K disclosing material agreement

Insider transactions

DateInsiderRoleCodeSharesPriceValue
2026-09-10Cheng EdmondofficerA145,0000$0
2026-09-10Kim Jeong-MinofficerA100,0000$0
2026-09-10Schlaefer JohndirectorA150,0000$0
2026-09-10Sum AlexofficerA75,0000$0
2026-06-30TUDER JEFFREYdirectorA9,2590$0
2026-06-30Barker RobertdirectorA9,2590$0
2026-06-30Chun KukjindirectorA9,2590$0
2026-06-30Chan NelsondirectorA9,2590$0
2026-06-30Lee KyeonghodirectorA9,2590$0
2026-06-30Shin HyunsoodirectorA9,2590$0
2026-03-31TUDER JEFFREYdirectorA24,1220$0
2026-03-31Lee KyeonghodirectorA24,1220$0
2026-03-31Chan NelsondirectorA24,1220$0
2026-03-31Chun KukjindirectorA24,1220$0
2026-03-31Barker RobertdirectorA24,1220$0
2026-03-31Shin HyunsoodirectorA24,1220$0
2026-03-31TUDER JEFFREYdirectorA24,1220$0
2026-03-31Lee KyeonghodirectorA24,1220$0
2026-03-31Chan NelsondirectorA24,1220$0
2026-03-31Chun KukjindirectorA24,1220$0
2026-03-31Barker RobertdirectorA24,1220$0
2026-03-31Shin HyunsoodirectorA24,1220$0
2026-02-23Chun KukjindirectorG40,0000$0
2026-02-23Chun KukjindirectorG40,0000$0
2025-12-31TUDER JEFFREYdirectorA22,9160$0
2025-12-31Barker RobertdirectorA22,9160$0
2025-12-31Chan NelsondirectorA22,9160$0
2025-12-31Chun KukjindirectorA22,9160$0
2025-12-31Lee KyeonghodirectorA22,9160$0
2025-12-31Shin HyunsoodirectorA22,9160$0
2025-12-31TUDER JEFFREYdirectorA22,9160$0
2025-12-31Barker RobertdirectorA22,9160$0
2025-12-31Chan NelsondirectorA22,9160$0
2025-12-31Chun KukjindirectorA22,9160$0
2025-12-31Lee KyeonghodirectorA22,9160$0
2025-12-31Shin HyunsoodirectorA22,9160$0
2025-11-25Shin HyunsoodirectorP16,7251.28$21,408
2025-11-25Shin HyunsoodirectorP16,7251.28$21,408
2025-11-21Shin HyunsoodirectorP3,1801.28$4,070
2025-11-21Shin HyunsoodirectorP3,1801.28$4,070
2025-11-20Shin HyunsoodirectorP25,4531.28$32,580
2025-11-20Shin HyunsoodirectorP25,4531.28$32,580
2025-09-30TUDER JEFFREYdirectorA18,0920$0
2025-09-30Shin HyunsoodirectorA18,0920$0
2025-09-30Lee KyeonghodirectorA18,0920$0
2025-09-30Chun KukjindirectorA18,0920$0
2025-09-30Chan NelsondirectorA18,0920$0
2025-09-30Barker RobertdirectorA18,0920$0
2025-09-30TUDER JEFFREYdirectorA18,0920$0
2025-09-30Shin HyunsoodirectorA18,0920$0

Federal contracts

No federal contract actions on record for this recipient mapping.

Lobbying

No federal lobbying filings on record for this client mapping.

Public attention

No Wikipedia pageview data linked to this company.

Recent filings

  • 2026-09-18 8-K
  • 2026-09-15 8-K
  • 2026-09-14 4
  • 2026-09-14 4
  • 2026-09-14 4
  • 2026-09-14 4
  • 2026-08-10 8-K
  • 2026-08-10 10-Q
  • 2026-08-03 ARS
  • 2026-08-03 DEFA14A
  • 2026-08-03 DEF 14A
  • 2026-07-07 4
  • 2026-07-02 4
  • 2026-07-02 4
  • 2026-07-02 4
  • 2026-07-02 4
  • 2026-07-02 4
  • 2026-06-18 8-K/A
  • 2026-06-18 8-K
  • 2026-06-18 424B5