Barker Robert has filed 16 insider transactions across 1 company since March 2024.
Most recent transaction: a grant/award of 24122 shares of GCT Semiconductor Holding, Inc. ($GCTS) on March 31, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 31, 2026 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock | 24122 | $0.00 | 142,451.0000 | 57,099,558 | 20.39% | 0.04% |
| Dec. 31, 2025 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock | 22916 | $0.00 | 118,329.0000 | 57,099,558 | 24.02% | 0.04% |
| Sept. 30, 2025 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock | 18092 | $0.00 | 95,413.0000 | 48,246,480 | 23.40% | 0.04% |
| June 30, 2025 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock | 18456 | $0.00 | 77,321.0000 | 48,246,480 | 31.35% | 0.04% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock, par value $0.0001 per share | 13074 | $0.00 | 13,074.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Stock Option (Right to Buy) | 1867 | $0.00 | 1,867.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Stock Option (Right to Buy) | 933 | $0.00 | 933.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock, par value $0.0001 per share | 3735 | $0.00 | 16,809.0000 | 0 | 28.57% | 0.00% |
| March 31, 2025 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock | 16768 | $0.00 | 58,865.0000 | 48,246,480 | 39.83% | 0.03% |
| Dec. 31, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock | 11802 | $0.00 | 41,162.0000 | 0 | 40.20% | 0.00% |
| Sept. 30, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock | 8208 | $0.00 | 29,360.0000 | 0 | 38.80% | 0.00% |
| June 30, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock | 5278 | $0.00 | 21,152.0000 | 0 | 33.25% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Stock Option (Right to Buy) | 1867 | $0.00 | 1,867.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Stock Option (Right to Buy) | 933 | $0.00 | 933.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock, par value $0.0001 per share | 3735 | $0.00 | 3,735.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Barker Robert | Not found | A | Common Stock, par value $0.0001 per share | 13073 | $0.00 | 13,073.0000 | 0 | 9999.99% | 0.00% |