GCTS
GCT Semiconductor Holding, Inc. · Technology · Market cap $140.7M
Insider Buying
$58K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
1
in the rolling window
Latest filing
Oct 2, 2026
Shin Hyunsoo
GCT Semiconductor Holding, Inc. (GCTS) has 31 SEC Form 4 filings (32 transaction rows) in the rolling window, disclosed by 1 distinct insider. Most recent filing: Oct 2, 2026.
Inside the rolling window, 1 insider at GCT Semiconductor Holding, Inc. reported 3 open-market purchases totaling $58K and no open-market sales. The most active filer is Director Shin Hyunsoo with 3 filings. The most recent open-market filing is a purchase of 16,725 shares by Director Shin Hyunsoo, dated Nov 25, 2025, worth $21K.
- Industry:Semiconductors
- CEO:John Schlaefer
- Employees:126
- HQ:San Jose, CA, US
- IPO:2021-12-27
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Class II Director | Purchase | 16,725 | $21K | Nov 28 | +15.9% | SEC ↗ | |
Shin HyunsooFirst filing | Class II Director | Purchase | 25,453 | $33K | Nov 24 | +13.3% | SEC ↗ |
Shin HyunsooFirst filing | Class II Director | Purchase | 3,180 | $4K | Nov 24 | +13.3% | SEC ↗ |
Frequently asked questions
How many SEC Form 4 insider filings does GCTS have?
GCT Semiconductor Holding, Inc. (GCTS) has 31 SEC Form 4 filings (32 transaction rows) in the rolling 365-day window, disclosed by 1 distinct insider. Most recent filing: Oct 2, 2026.
When was the most recent SEC Form 4 filing for GCTS?
The most recent Form 4 filing for GCTS on Tracefour is dated Oct 2, 2026.
Who is the most active insider at GCTS?
The most active SEC Form 4 filer at GCTS in the rolling window is Director Shin Hyunsoo, with 3 filings.
What is the total insider buy and sell value at GCTS in the current window?
Inside the rolling window, insiders at GCTS bought $58K and sold $0 based on SEC Form 4 filings.
Can I get alerts for GCTS insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at GCT Semiconductor Holding, Inc. (GCTS). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
GCT Semiconductor Holding, Inc. is in the Technology sector.