Schlaefer John
SEC insider (Form 3/4/5 filer). CIK 0001542775. President, CEO & Class III Dir at GCT Semiconductor Holding, Inc. (GCTS). 6 reported Form 4/5 transactions since Sep 2024; latest on Sep 10, 2026. Located in SAN JOSE, CA.
Companies Schlaefer John has filed insider reports for
- GCT Semiconductor Holding, Inc. (GCTS): Director, Officer, President, CEO & Class III Dir
Schlaefer John
CIK: 0001542775
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
GCT Semiconductor Holding, Inc.
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- Sep 10, 2026GCTS
GCT Semiconductor Holding, Inc.
AwardDirect150K shares- - Sep 26, 2025GCTS
GCT Semiconductor Holding, Inc.
OtherDirect555 shares- - Sep 19, 2025GCTS
GCT Semiconductor Holding, Inc.
AwardDirect75K shares- - Jan 13, 2025GCTS
GCT Semiconductor Holding, Inc.
ExerciseDirect35.7K shares at avg. $0.11$4K - Mar 26, 2024GCTS
GCT Semiconductor Holding, Inc.
AwardDirect78.7K shares- - Mar 26, 2024GCTS
GCT Semiconductor Holding, Inc.
AwardDirect12.8K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 10, 2026 | GCTS GCT Semiconductor Holding, Inc. | Award | 150,000 | - | $0 | Direct |
| Sep 26, 2025 | GCTS GCT Semiconductor Holding, Inc. | Other | 555 | - | - | Direct |
| Sep 19, 2025 | GCTS GCT Semiconductor Holding, Inc. | Award | 75,000 | - | - | Direct |
| Jan 13, 2025 | GCTS GCT Semiconductor Holding, Inc. | Exercise | 35,669 | $0.11 | $3,924 | Direct |
| Mar 26, 2024 | GCTS GCT Semiconductor Holding, Inc. | Award | 78,700 | - | - | Direct |
| Mar 26, 2024 | GCTS GCT Semiconductor Holding, Inc. | Award | 12,804 | - | - | Direct |
1-6 of 6 transactions