Schlaefer John has filed 16 insider transactions across 1 company since March 2024.
Most recent transaction: a transaction of 555 shares of GCT Semiconductor Holding, Inc. ($GCTS) on September 26, 2025.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 26, 2025 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | J | Common Stock, par value $0.0001 per share | 555 | $0.00 | 202,728.0000 | 48,246,480 | 0.27% | 0.00% |
| Sept. 19, 2025 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Common Stock, par value $0.0001 per share | 75000 | $0.00 | 202,173.0000 | 48,246,480 | 58.97% | 0.16% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Stock Option (Right to Buy) | 50425 | $0.00 | 50,425.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Common Stock, par value $0.0001 per share | 78700 | $0.00 | 78,700.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Common Stock, par value $0.0001 per share | 12804 | $0.00 | 12,804.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Stock Option (Right to Buy) | 35669 | $0.00 | 35,669.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Stock Option (Right to Buy) | 28191 | $0.00 | 28,191.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Stock Option (Right to Buy) | 21533 | $0.00 | 21,533.0000 | 0 | 9999.99% | 0.00% |
| Jan. 13, 2025 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | M | Common Stock, par value $0.0001 per share | 35669 | $0.11 | 127,173.0000 | 0 | 38.98% | 0.00% |
| Jan. 13, 2025 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | M | Stock Option (Right to Buy) | 35669 | $0.00 | 0.0000 | 0 | 100.00% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Stock Option (Right to Buy) | 35669 | $0.00 | 35,669.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Stock Option (Right to Buy) | 28191 | $0.00 | 28,191.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Stock Option (Right to Buy) | 21533 | $0.00 | 21,533.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Common Stock, par value $0.0001 per share | 78700 | $0.00 | 78,700.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Stock Option (Right to Buy) | 50425 | $0.00 | 50,425.0000 | 0 | 9999.99% | 0.00% |
| March 26, 2024 | GCT Semiconductor Holding, Inc. | $GCTS | Schlaefer John | President, CEO & Class III Dir | A | Common Stock, par value $0.0001 per share | 12804 | $0.00 | 12,804.0000 | 0 | 9999.99% | 0.00% |