Shin Hyunsoo
SEC Form 4 insider trading activity
Shin Hyunsoo has filed 9 SEC Form 4 filings (11 transaction rows) across 1 company, with disclosures dating back to 2025. 6 of those filings fall inside the rolling window. Most recent filing: Oct 2, 2026.
On the most recent filing, Shin Hyunsoo is listed as Director at GCT Semiconductor Holding, Inc. Inside the rolling window, Shin Hyunsoo reported 3 open-market purchases totaling $58K in GCTS and no open-market sales. The largest disclosed transaction in the window is a purchase of 25,453 GCTS shares on Nov 20, 2025, worth $33K.
Companies traded
Other insiders at GCTS
Insider Buying
$58K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Companies
1
in the rolling window
Earlier trades
Open-market purchases and sales filed before the rolling 365-day window, kept from the original Form 4 filings.
| Date | Ticker | Type | Value |
|---|---|---|---|
| Sep 12, 2025 | GCTS | Purchase | $67K |
| Sep 5, 2025 | GCTS | Purchase | $13K |
| Sep 4, 2025 | GCTS | Purchase | $10K |
Frequently asked questions
How many SEC Form 4 filings has Shin Hyunsoo made?
Shin Hyunsoo has filed 9 SEC Form 4 filings (11 transaction rows) across 1 company since 2025.
Which companies does Shin Hyunsoo trade?
Shin Hyunsoo has filed SEC Form 4 disclosures for 1 company, including GCTS.
When was Shin Hyunsoo's most recent SEC Form 4 filing?
Shin Hyunsoo's most recent SEC Form 4 filing on Tracefour is dated Oct 2, 2026.
What is Shin Hyunsoo's total buy and sell value in the current window?
Inside the rolling retention window, Shin Hyunsoo bought $58K and sold $0 based on SEC Form 4 filings.
What was Shin Hyunsoo's largest disclosed transaction?
The largest disclosed transaction in the current window is a purchase of 25,453 GCTS shares on 2025-11-20, worth $33K, per SEC Form 4 filings.