InsiderTrades

Schlaefer John

SEC CIK 1542775 · EDGAR

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
GCTSGCT Semiconductor Holding, Inc.Pres, CEO, Class III Dir, Dir 352.7K — — 62024-03-262026-09-10

Most active insiders at GCTS, 12 months

#InsiderTitleBoughtSold
1 Shin HyunsooDir, Class II Dir $58.1K—
2 Chun KukjinDir, Class I Dir ——
3 Barker RobertDir, Class II Dir ——
4 Kim Jeong-MinCTO ——
5 TUDER JEFFREYDir, Class III Dir ——
6 Sum AlexSVP of Sales, Marketing ——
7 Lee KyeonghoDir, COB, Class III Dir ——
8 Schlaefer JohnPres, CEO, Class III Dir, Dir ——
9 Cheng EdmondCFO ——
10 Chan NelsonDir, Class I Dir ——

Transactions 6

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
2026-09-14 16:30 2026-09-10 GCTS GCT Semiconductor Holding, Inc. Schlaefer John Pres, CEO, Class III Dir, Dir A - Grant $0.00 +150.0K 352.7K +74% $0
2025-09-30 2025-09-26 GCTS GCT Semiconductor Holding, Inc. Schlaefer John Pres, CEO, Class III Dir, Dir J - Other $0.00 +555 202.7K +0.3% $0
2025-09-23 2025-09-19 GCTS GCT Semiconductor Holding, Inc. Schlaefer John Pres, CEO, Class III Dir, Dir A - Grant $0.00 +75.0K 202.2K +59% $0
DMA 2025-02-27 2024-03-26 GCTS GCT Semiconductor Holding, Inc. Schlaefer John Pres, CEO, Class III Dir, Dir A - Grant $0.00 +91.5K 12.8K New $0
D 2025-02-21 2025-01-13 GCTS GCT Semiconductor Holding, Inc. Schlaefer John Pres, CEO, Class III Dir, Dir M - OptEx $0.11 +35.7K 127.2K +39% +$3,924
DM 2024-03-27 2024-03-26 GCTS GCT Semiconductor Holding, Inc. Schlaefer John Pres, CEO, Class III Dir, Dir A - Grant $0.00 +91.5K 12.8K New $0

Purchase Sale Sale after option exercise All abbreviations