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buyWeak

Hyunsoo Shin bought $21k of GCTS

Class II Director at GCT Semiconductor Holding, Inc.. 16,725 shares at an average of $1.28, traded Nov 25, 2025, filed Nov 28, 2025.

Conviction score
20
Value
$21k
16,725 shares
Holdings after
757,771
+2% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    Director
    +15
  • Trade size
    $21k at market
    0
  • Relative to holdings
    Holdings up 2.3%
    0
  • Price context
    No price history yet
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    4 buys in 90 days
    +5
  • Track record
    Too few past buys to judge (0 with prices)
    0

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 -7.6%, 3m -16.7%, 6m +155.3%.

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.

GCTSOct 12, 2026 · close 1.93
Since filing Nov 28, 2025: +46.2%SPY +15.1% · excess +31.1%

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 0000929638-25-004392, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Nov 25, 2025POpen-market purchase
Common Stock
+16,725$1.28$21k757,771Nov 28, 2025

Related signals

Other insiders at GCT Semiconductor Holding, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
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%
20Weak
GCTSbuy
GCT Semiconductor Holding, Inc.
Hyunsoo Shin
Class II Director
$24k
18,550 shares
+3%
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%
43Moderate
GCTSbuy
GCT Semiconductor Holding, Inc.
Anapass, Inc.
owner
$2.2M
741,603 shares
+10%

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.

Hyunsoo Shin bought $21k of GCTS | InsiderTell