Sum Alex
SEC CIK 1543349 · EDGAR
Companies
| Ticker | Company | Title | Holding | Bought | Sold | Trades | First | Last |
|---|---|---|---|---|---|---|---|---|
| GCTS | GCT Semiconductor Holding, Inc. | VP of Marketing, Sales | 258.7K | — | — | 5 | 2024-03-26 | 2026-09-10 |
Most active insiders at GCTS, 12 months
| # | Insider | Title | Bought | Sold |
|---|---|---|---|---|
| 1 | Shin Hyunsoo | Dir, Class II Dir | $58.1K | — |
| 2 | Chun Kukjin | Dir, Class I Dir | — | — |
| 3 | Barker Robert | Dir, Class II Dir | — | — |
| 4 | Kim Jeong-Min | CTO | — | — |
| 5 | TUDER JEFFREY | Dir, Class III Dir | — | — |
| 6 | Sum Alex | SVP of Sales, Marketing | — | — |
| 7 | Lee Kyeongho | Dir, COB, Class III Dir | — | — |
| 8 | Schlaefer John | Pres, CEO, Class III Dir, Dir | — | — |
| 9 | Cheng Edmond | CFO | — | — |
| 10 | Chan Nelson | Dir, Class I Dir | — | — |
Transactions 5
| X | Filed | Traded | Ticker | Company | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-14 16:32 | 2026-09-10 | GCTS | GCT Semiconductor Holding, Inc. | Sum Alex | SVP of Sales, Marketing | A - Grant | $0.00 | +75.0K | 258.7K | +41% | $0 | |
| 2025-09-23 | 2025-09-19 | GCTS | GCT Semiconductor Holding, Inc. | Sum Alex | SVP of Sales, Marketing | A - Grant | $0.00 | +75.0K | 183.7K | +69% | $0 | |
| DMA | 2025-02-27 | 2024-03-26 | GCTS | GCT Semiconductor Holding, Inc. | Sum Alex | SVP of Sales, Marketing | A - Grant | $0.00 | +95.5K | 5,341 | New | $0 |
| D | 2025-02-21 | 2025-02-19 | GCTS | GCT Semiconductor Holding, Inc. | Sum Alex | SVP of Sales, Marketing | M - OptEx | $0.11 | +13.3K | 108.7K | +14% | +$1,458 |
| DM | 2024-03-27 | 2024-03-26 | GCTS | GCT Semiconductor Holding, Inc. | Sum Alex | VP of Marketing, Sales | A - Grant | $0.00 | +95.5K | 90.1K | New | $0 |
Purchase Sale Sale after option exercise All abbreviations