Hyunsoo Shin bought $24k of GCTS
Class II Director at GCT Semiconductor Holding, Inc.. 18,550 shares at an average of $1.28, traded Sep 4, 2025, filed Sep 8, 2025.
Score components
- +15RoleDirector
- 0Trade size$24k at market
- 0Relative to holdingsHoldings up 2.9%
- 0Price contextNo price history yet
- 0ClusterNo other insider buying within 14 days
- +5Repeat buying3 buys in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m +15.0%, 3m +6.8%, 6m -19.5%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0000929638-25-003408, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Sep 4, 2025 | POpen-market purchase Common Stock | +8,250 | $1.26 | $10k | 639,954 | Sep 8, 2025 |
| Sep 5, 2025 | POpen-market purchase Common Stock | +10,300 | $1.30 | $13k | 650,254 | Sep 8, 2025 |
Related signals
Other insiders at GCT Semiconductor Holding, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 20Weak | GCTSbuy GCT Semiconductor Holding, Inc. | Hyunsoo Shin Class II Director | $21k 16,725 shares | +2% | |
| 26Weak | GCTSbuy GCT Semiconductor Holding, Inc. | Hyunsoo Shin Class II Director | $37k 28,633 shares | +4% | |
| 31Weak | GCTSbuy GCT Semiconductor Holding, Inc. | Hyunsoo Shin Class II Director | $67k 44,067 shares | +7% | |
| 37Weak | GCTSbuy GCT Semiconductor Holding, Inc. | Hyunsoo Shin Class II Director | $152k 121,000 shares | +24% | |
| 36Weak | GCTSbuy GCT Semiconductor Holding, Inc. | Hyunsoo Shin Class II Director | $100k 85,000 shares | +21% | |
| 41Moderate | GCTSbuy GCT Semiconductor Holding, Inc. | Hyunsoo Shin Class II Director | $164k 160,000 shares | +65% | |
| 35Weak | GCTSbuy GCT Semiconductor Holding, Inc. | Hyunsoo Shin Class II Director | $80k 77,000 shares | +45% | |
| 35Weak | GCTSbuy GCT Semiconductor Holding, Inc. | Hyunsoo Shin Class II Director | $101k 86,000 shares | +102% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.