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
- Material 8-K filingFiled 8-K disclosing director or officer change
- Material 8-K filingFiled 8-K disclosing material agreement
- Material 8-K filingFiled 8-K disclosing material agreement
Insider transactions
| Date | Insider | Role | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-09-10 | Cheng Edmond | officer | A | 145,000 | 0 | $0 |
| 2026-09-10 | Kim Jeong-Min | officer | A | 100,000 | 0 | $0 |
| 2026-09-10 | Schlaefer John | director | A | 150,000 | 0 | $0 |
| 2026-09-10 | Sum Alex | officer | A | 75,000 | 0 | $0 |
| 2026-06-30 | TUDER JEFFREY | director | A | 9,259 | 0 | $0 |
| 2026-06-30 | Barker Robert | director | A | 9,259 | 0 | $0 |
| 2026-06-30 | Chun Kukjin | director | A | 9,259 | 0 | $0 |
| 2026-06-30 | Chan Nelson | director | A | 9,259 | 0 | $0 |
| 2026-06-30 | Lee Kyeongho | director | A | 9,259 | 0 | $0 |
| 2026-06-30 | Shin Hyunsoo | director | A | 9,259 | 0 | $0 |
| 2026-03-31 | TUDER JEFFREY | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | Lee Kyeongho | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | Chan Nelson | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | Chun Kukjin | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | Barker Robert | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | Shin Hyunsoo | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | TUDER JEFFREY | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | Lee Kyeongho | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | Chan Nelson | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | Chun Kukjin | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | Barker Robert | director | A | 24,122 | 0 | $0 |
| 2026-03-31 | Shin Hyunsoo | director | A | 24,122 | 0 | $0 |
| 2026-02-23 | Chun Kukjin | director | G | 40,000 | 0 | $0 |
| 2026-02-23 | Chun Kukjin | director | G | 40,000 | 0 | $0 |
| 2025-12-31 | TUDER JEFFREY | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | Barker Robert | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | Chan Nelson | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | Chun Kukjin | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | Lee Kyeongho | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | Shin Hyunsoo | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | TUDER JEFFREY | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | Barker Robert | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | Chan Nelson | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | Chun Kukjin | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | Lee Kyeongho | director | A | 22,916 | 0 | $0 |
| 2025-12-31 | Shin Hyunsoo | director | A | 22,916 | 0 | $0 |
| 2025-11-25 | Shin Hyunsoo | director | P | 16,725 | 1.28 | $21,408 |
| 2025-11-25 | Shin Hyunsoo | director | P | 16,725 | 1.28 | $21,408 |
| 2025-11-21 | Shin Hyunsoo | director | P | 3,180 | 1.28 | $4,070 |
| 2025-11-21 | Shin Hyunsoo | director | P | 3,180 | 1.28 | $4,070 |
| 2025-11-20 | Shin Hyunsoo | director | P | 25,453 | 1.28 | $32,580 |
| 2025-11-20 | Shin Hyunsoo | director | P | 25,453 | 1.28 | $32,580 |
| 2025-09-30 | TUDER JEFFREY | director | A | 18,092 | 0 | $0 |
| 2025-09-30 | Shin Hyunsoo | director | A | 18,092 | 0 | $0 |
| 2025-09-30 | Lee Kyeongho | director | A | 18,092 | 0 | $0 |
| 2025-09-30 | Chun Kukjin | director | A | 18,092 | 0 | $0 |
| 2025-09-30 | Chan Nelson | director | A | 18,092 | 0 | $0 |
| 2025-09-30 | Barker Robert | director | A | 18,092 | 0 | $0 |
| 2025-09-30 | TUDER JEFFREY | director | A | 18,092 | 0 | $0 |
| 2025-09-30 | Shin Hyunsoo | director | A | 18,092 | 0 | $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.