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GCTS

GCT Semiconductor Holding (GCTS) stock: insider trades, news & valuation

Net buying
Close · Oct 9, 2026 $2.02 -3.8% on the day +33.8% over 12 months 52-week range $0.99 – $3.73

Share price and insider trades

GCTS closeInsider buyInsider sale
01234NovDecJan 2026FebMarAprMayJunJulAugSepOctBought $4,070 on 2025-11-21 · Hyunsoo ShinBought $21,408 on 2025-11-25 · Hyunsoo ShinBought $32,580 on 2025-11-20 · Hyunsoo Shin
Bought, 12 months$54K
Sold, 12 months$0
Insiders buying1
Insiders selling0

GCT Semiconductor Holding insider trading at a glance (Oct 9, 2026): in the past 12 months, 1 insider bought $54K and 0 sold $0 of GCTS stock on the open market.

GCTS insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $58K bought (3 trades)$58KQ4 2025Q1 2026Q2 2026Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0—0
Q2 2026—0—0
Q1 2026—0—0
Q4 2025$58K3—0

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day0.7×Last 5 sessions
Insiders' paper profit+$34KOn all tracked purchases +57.8%

Summary

Over the past 12 months, 1 GCT Semiconductor Holding, Inc. insider reported open-market purchases totaling $54K, while 0 insiders reported sales totaling $0. Among insiders with enough purchase history to measure, Hyunsoo Shin (Class Ii Director) has the highest Insider Score at 33.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Nov 28SEC Hyunsoo ShinClass Ii Director Buy 16,725757,771 held (+2%) $1.28 $21K +57.8% 33
Nov 24SEC Hyunsoo ShinClass Ii Director Buy 25,453737,866 held (+4%) $1.28 $33K +57.8% 33
Nov 24SEC Hyunsoo ShinClass Ii Director Buy 3,180741,046 held (+0%) $1.28 $4K +57.8% 33

Insiders at GCT Semiconductor Holding, Inc.

InsiderBoughtSoldLast filingScore
Hyunsoo ShinClass Ii Director $58K — Nov 28, 2025 33

GCTS stock: common questions

Are GCT Semiconductor Holding, Inc. insiders buying GCTS stock?

In the past 12 months, 1 insiders reported open-market purchases of GCTS worth $54K. The latest was Class Ii Director Hyunsoo Shin bought $21K of GCTS at $1.28.

Are GCT Semiconductor Holding, Inc. insiders selling GCTS stock?

0 insiders reported sales worth $0 over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is GCTS's 52-week range?

Over the past year GCTS has traded between $0.99 and $3.73. It last closed at $2.02 on Oct 9, 2026.