GCT Semiconductor Holding, Inc. Stock: price and insider trades · United States

GCT Semiconductor Holding, Inc. is a listed company. Its directors and officers file their transactions with SEC (Form 4). In the past year (18 October 2025 to 18 October 2026), 27 filings came from 10 insiders.

Every open-market trade in the period is a purchase: 2 purchases worth €47k, from 1 insider, and not a single sale. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. At €28k, the purchase published on 24 November 2025 by Shin Hyunsoo is the largest of the period. Those buying include 1 senior executive.

For context, the typical company on the same exchange (median of 5,458 companies) published 22 filings over the same period, against 27 filings here. Over the whole record (from 2023), the tally stands at 10 purchases and no sales. In its latest annual report filed with the SEC (10-K, fiscal year ended 31 December 2025), the company reported revenue of 2.9 m USD and net income of -43.4 m USD.

The last insider purchase was made public on 28 November 2025, 324 days ago. Typically, a trade is published a median of 3 days after it takes place. US insiders must file a Form 4 within two business days of a trade.

In the same market, recent insider purchases at GameStop Corp. and Heico Corp also feature in our signals. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.