Chun Kukjin (CIK 2007838) reported 7 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-07-02). Recent activity: Buy GCTS (9,259 shares), Buy GCTS (24,122 shares), Sell GCTS (40,000 shares), Buy GCTS (22,916 shares), Buy GCTS (18,092 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-07-02 | GCT Semiconductor Holding, Inc. (GCTS) | Director | Buy | 9,259 | $0 |
| 2026-04-02 | GCT Semiconductor Holding, Inc. (GCTS) | Director | Buy | 24,122 | $0 |
| 2026-03-06 | GCT Semiconductor Holding, Inc. (GCTS) | Director | Sell | 40,000 | $0 |
| 2026-01-05 | GCT Semiconductor Holding, Inc. (GCTS) | Director | Buy | 22,916 | $0 |
| 2025-10-02 | GCT Semiconductor Holding, Inc. (GCTS) | Director | Buy | 18,092 | $0 |
| 2025-07-02 | GCT Semiconductor Holding, Inc. (GCTS) | Director | Buy | 18,456 | $0 |
| 2025-04-02 | GCT Semiconductor Holding, Inc. (GCTS) | Director | Buy | 16,768 | $0 |
Source: SEC Form 4 filings · as of 2026-07-02