GCTS · GCT Semiconductor Holding Inc. Common Stock
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| Anapass, Inc. | ▲ Buy | Open Market | 8,017,466 Shares held | 9/26/2024 | View profile |
| Lee Kyeongho | ▲ Buy | Grant | 1,109,093 Shares held | 9/30/2026 | View profile |
| Shin Hyunsoo | ▲ Buy | Grant | 827,039 Shares held | 9/30/2026 | View profile |
| Concord Sponsor Group III LLC 10% Owner | ▼ Sell | Other | 632,586 Shares held | 3/26/2025 | View profile |
| Kim Jeong-Min Chief Technology Officer | ▲ Buy | Grant | 402,701 Shares held | 9/10/2026 | View profile |
| Schlaefer John President, CEO & Class III Dir | ▲ Buy | Grant | 352,728 Shares held | 9/10/2026 | View profile |
| Edmond Cheng Chief Financial Officer | ▲ Buy | Grant | 296,000 Shares held | 9/10/2026 | View profile |
| Sum Alex Sr. VP of Sales and Marketing | ▲ Buy | Grant | 258,743 Shares held | 9/10/2026 | View profile |
| Barker Robert | ▲ Buy | Grant | 164,681 Shares held | 9/30/2026 | View profile |
| TUDER JEFFREY Director | ▲ Buy | Grant | 164,161 Shares held | 9/30/2026 | View profile |
| Nelson Chan Director | ▲ Buy | Grant | 147,872 Shares held | 9/30/2026 | View profile |
| Chun Kukjin | ▲ Buy | Grant | 111,607 Shares held | 9/30/2026 | View profile |
| Ort Peter Director | ▼ Sell | Other | 30,000 Shares held | 11/16/2023 | View profile |
| KING THOMAS C. Director | ▼ Sell | Other | 30,000 Shares held | 11/16/2023 | View profile |
| LEIBOWITZ LAWRENCE E Director | ▼ Sell | Other | 30,000 Shares held | 11/16/2023 | View profile |
| Yoon David Vice President of Finance | ▲ Buy | Grant | 8,204 Shares held | 3/26/2024 | View profile |
Transaction History
| Lee Kyeongho | ▲ Buy | Grant | 12,971 | $0 | 9/30/2026 |
| Barker Robert | ▲ Buy | Grant | 12,971 | $0 | 9/30/2026 |
| TUDER JEFFREY | ▲ Buy | Grant | 12,971 | $0 | 9/30/2026 |
| Nelson Chan | ▲ Buy | Grant | 12,971 | $0 | 9/30/2026 |
| Chun Kukjin | ▲ Buy | Grant | 12,971 | $0 | 9/30/2026 |
| Shin Hyunsoo | ▲ Buy | Grant | 12,971 | $0 | 9/30/2026 |
| Sum Alex | ▲ Buy | Grant | 75,000 | $0 | 9/10/2026 |
| Schlaefer John | ▲ Buy | Grant | 150,000 | $0 | 9/10/2026 |
| Kim Jeong-Min | ▲ Buy | Grant | 100,000 | $0 | 9/10/2026 |
| Edmond Cheng | ▲ Buy | Grant | 145,000 | $0 | 9/10/2026 |
| Barker Robert | ▲ Buy | Grant | 9,259 | $0 | 6/30/2026 |
| Chun Kukjin | ▲ Buy | Grant | 9,259 | $0 | 6/30/2026 |
| Lee Kyeongho | ▲ Buy | Grant | 9,259 | $0 | 6/30/2026 |
| Nelson Chan | ▲ Buy | Grant | 9,259 | $0 | 6/30/2026 |
| TUDER JEFFREY | ▲ Buy | Grant | 9,259 | $0 | 6/30/2026 |
| Shin Hyunsoo | ▲ Buy | Grant | 9,259 | $0 | 6/30/2026 |
| TUDER JEFFREY | ▲ Buy | Grant | 24,122 | $0 | 3/31/2026 |
| Lee Kyeongho | ▲ Buy | Grant | 24,122 | $0 | 3/31/2026 |
| Nelson Chan | ▲ Buy | Grant | 24,122 | $0 | 3/31/2026 |
| Chun Kukjin | ▲ Buy | Grant | 24,122 | $0 | 3/31/2026 |
| Barker Robert | ▲ Buy | Grant | 24,122 | $0 | 3/31/2026 |
| Shin Hyunsoo | ▲ Buy | Grant | 24,122 | $0 | 3/31/2026 |
| Chun Kukjin | ▼ Sell | Gift | 40,000 | $0 | 2/23/2026 |
| Barker Robert | ▲ Buy | Grant | 22,916 | $0 | 12/31/2025 |
| Nelson Chan | ▲ Buy | Grant | 22,916 | $0 | 12/31/2025 |
| Chun Kukjin | ▲ Buy | Grant | 22,916 | $0 | 12/31/2025 |
| Lee Kyeongho | ▲ Buy | Grant | 22,916 | $0 | 12/31/2025 |
| Shin Hyunsoo | ▲ Buy | Grant | 22,916 | $0 | 12/31/2025 |
| TUDER JEFFREY | ▲ Buy | Grant | 22,916 | $0 | 12/31/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 16,725 | $21K | 11/25/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 3,180 | $4K | 11/21/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 25,453 | $33K | 11/20/2025 |
| TUDER JEFFREY | ▲ Buy | Grant | 18,092 | $0 | 9/30/2025 |
| Shin Hyunsoo | ▲ Buy | Grant | 18,092 | $0 | 9/30/2025 |
| Chun Kukjin | ▲ Buy | Grant | 18,092 | $0 | 9/30/2025 |
| Barker Robert | ▲ Buy | Grant | 18,092 | $0 | 9/30/2025 |
| Nelson Chan | ▲ Buy | Grant | 18,092 | $0 | 9/30/2025 |
| Lee Kyeongho | ▲ Buy | Grant | 18,092 | $0 | 9/30/2025 |
| Schlaefer John | ▼ Sell | Other | 555 | $0 | 9/26/2025 |
| Edmond Cheng | ▲ Buy | Grant | 75,000 | $0 | 9/19/2025 |
| Kim Jeong-Min | ▲ Buy | Grant | 75,000 | $0 | 9/19/2025 |
| Sum Alex | ▲ Buy | Grant | 75,000 | $0 | 9/19/2025 |
| Schlaefer John | ▲ Buy | Grant | 75,000 | $0 | 9/19/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 44,067 | $67K | 9/12/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 10,300 | $13K | 9/5/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 8,250 | $10K | 9/4/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 121,000 | $152K | 8/15/2025 |
| Nelson Chan | ▲ Buy | Grant | 18,456 | $0 | 6/30/2025 |
| Chun Kukjin | ▲ Buy | Grant | 18,456 | $0 | 6/30/2025 |
| TUDER JEFFREY | ▲ Buy | Grant | 18,456 | $0 | 6/30/2025 |
| Barker Robert | ▲ Buy | Grant | 18,456 | $0 | 6/30/2025 |
| Shin Hyunsoo | ▲ Buy | Grant | 18,456 | $0 | 6/30/2025 |
| Lee Kyeongho | ▲ Buy | Grant | 18,456 | $0 | 6/30/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 40,000 | $48K | 6/10/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 45,000 | $52K | 6/10/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 21,300 | $22K | 6/5/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 58,700 | $60K | 6/5/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 80,000 | $82K | 6/4/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 77,000 | $80K | 5/23/2025 |
| Shin Hyunsoo | ▲ Buy | Open Market | 86,000 | $101K | 5/20/2025 |
| Barker Robert | ▲ Buy | Grant | 16,768 | $0 | 3/31/2025 |
| Shin Hyunsoo | ▲ Buy | Grant | 16,768 | $0 | 3/31/2025 |
| Chun Kukjin | ▲ Buy | Grant | 16,768 | $0 | 3/31/2025 |
| Lee Kyeongho | ▲ Buy | Grant | 16,768 | $0 | 3/31/2025 |
| TUDER JEFFREY | ▲ Buy | Grant | 16,768 | $0 | 3/31/2025 |
| Nelson Chan | ▲ Buy | Grant | 16,768 | $0 | 3/31/2025 |
| TUDER JEFFREY | ▼ Sell | Other | 16,289 | — | 3/26/2025 |
| Concord Sponsor Group III LLC | ▼ Sell | Other | 3,101,241 | — | 3/26/2025 |
| Sum Alex | ▲ Buy | Option Exercise | 13,259 | $1K | 2/19/2025 |
| Schlaefer John | ▲ Buy | Option Exercise | 35,669 | $4K | 1/13/2025 |
| Barker Robert | ▲ Buy | Grant | 11,802 | $0 | 12/31/2024 |
| Nelson Chan | ▲ Buy | Grant | 11,802 | $0 | 12/31/2024 |
| Chun Kukjin | ▲ Buy | Grant | 11,802 | $0 | 12/31/2024 |
| Lee Kyeongho | ▲ Buy | Grant | 11,802 | $0 | 12/31/2024 |
| TUDER JEFFREY | ▲ Buy | Grant | 11,802 | $0 | 12/31/2024 |
| Shin Hyunsoo | ▲ Buy | Grant | 11,802 | $0 | 12/31/2024 |
| Shin Hyunsoo | ▲ Buy | Grant | 37,000 | $95K | 12/16/2024 |
| Shin Hyunsoo | ▲ Buy | Grant | 200 | $500 | 12/13/2024 |
| Shin Hyunsoo | ▲ Buy | Grant | 800 | $2K | 12/13/2024 |
| TUDER JEFFREY | ▲ Buy | Grant | 8,208 | $0 | 9/30/2024 |
| Shin Hyunsoo | ▲ Buy | Grant | 8,208 | $0 | 9/30/2024 |
| Lee Kyeongho | ▲ Buy | Grant | 8,208 | $0 | 9/30/2024 |
| Chun Kukjin | ▲ Buy | Grant | 8,208 | $0 | 9/30/2024 |
| Nelson Chan | ▲ Buy | Grant | 8,208 | $0 | 9/30/2024 |
| Barker Robert | ▲ Buy | Grant | 8,208 | $0 | 9/30/2024 |
| Anapass, Inc. | ▲ Buy | Open Market | 741,603 | $2.2M | 9/26/2024 |
| Edmond Cheng | ▲ Buy | Grant | 76,000 | $0 | 8/21/2024 |
| Barker Robert | ▲ Buy | Grant | 5,278 | $0 | 6/30/2024 |
| TUDER JEFFREY | ▲ Buy | Grant | 5,278 | $0 | 6/30/2024 |
| Shin Hyunsoo | ▲ Buy | Grant | 5,278 | $0 | 6/30/2024 |
| Lee Kyeongho | ▲ Buy | Grant | 5,278 | $0 | 6/30/2024 |
| Chun Kukjin | ▲ Buy | Grant | 5,278 | $0 | 6/30/2024 |
| Nelson Chan | ▲ Buy | Grant | 5,278 | $0 | 6/30/2024 |
| Barker Robert | ▲ Buy | Grant | 13,073 | $0 | 3/26/2024 |
| Sum Alex | ▲ Buy | Grant | 5,341 | $0 | 3/26/2024 |
| Shin Hyunsoo | ▲ Buy | Grant | 3,735 | $0 | 3/26/2024 |
| Schlaefer John | ▲ Buy | Grant | 78,700 | $0 | 3/26/2024 |
| Chun Kukjin | ▲ Buy | Grant | 3,735 | $0 | 3/26/2024 |
| Lee Kyeongho | ▲ Buy | Grant | 867,840 | $0 | 3/26/2024 |
| Schlaefer John | ▲ Buy | Grant | 12,804 | $0 | 3/26/2024 |
| Barker Robert | ▲ Buy | Grant | 3,735 | $0 | 3/26/2024 |
| Kim Jeong-Min | ▲ Buy | Grant | 12,415 | $0 | 3/26/2024 |
| Kim Jeong-Min | ▲ Buy | Grant | 215,285 | $0 | 3/26/2024 |
| Sum Alex | ▲ Buy | Grant | 90,142 | $0 | 3/26/2024 |
| Shin Hyunsoo | ▲ Buy | Grant | 456 | $0 | 3/26/2024 |
| Lee Kyeongho | ▲ Buy | Grant | 93,380 | $0 | 3/26/2024 |
| Concord Sponsor Group III LLC | ▼ Sell | Other | 1 | — | 3/26/2024 |
| Concord Sponsor Group III LLC | ▼ Sell | Other | 932,052 | — | 3/26/2024 |
| Concord Sponsor Group III LLC | ▼ Sell | Other | 729,072 | — | 3/26/2024 |
| Concord Sponsor Group III LLC | ▼ Sell | Other | 1,304,477 | — | 3/26/2024 |
| Anapass, Inc. | ▲ Buy | Grant | 7,275,863 | $0 | 3/26/2024 |
| Yoon David | ▲ Buy | Grant | 30,093 | $0 | 3/26/2024 |
| Yoon David | ▲ Buy | Grant | 8,204 | $0 | 3/26/2024 |
| Ort Peter | ▼ Sell | Other | 30,000 | — | 11/16/2023 |
| Concord Sponsor Group III LLC | ▼ Sell | Other | 7,957,726 | — | 11/16/2023 |
| LEIBOWITZ LAWRENCE E | ▼ Sell | Other | 30,000 | — | 11/16/2023 |
| KING THOMAS C. | ▼ Sell | Other | 30,000 | — | 11/16/2023 |
AI Market Commentary
AI-generatedAll commentary →Synthesized from recent news and fundamentals/technical data -- not human analyst commentary or trader sentiment.
October 8, 2026
GCT Semiconductor partners with Kratos on 5G satellite network
GCT Semiconductor is demonstrating 5G satellite network connectivity as part of a multi-vendor collaboration with Kratos, KT SAT, and Druid Software. This technical milestone highlights the company's role in emerging space-based communication infrastructure. Analysts note that future performance will depend heavily on the successful ramp-up of these products.
GCT Semiconductor partners with Kratos on 5G satellite network. GCT Semiconductor is demonstrating 5G satellite network connectivity as part of a multi-vendor collaboration with Kratos, KT SAT, and Druid Software. This technical milestone highlights the company's role in emerging space-based communication infrastructure. Analysts note that future performance will depend heavily on the successful ramp-up of these products.