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Latest filing published 02 Oct 2026 for GCT Semiconductor Holding, Inc.. Read the official filing
Based on 9 purchases whose 90-day window has closed (published at least 91 days ago), the same population our ranking model reads.
Entry is the close on the day after publication, the first price a reader could act on. Prices in the listing currency. Past moves are not a forecast.
Hyunsoo Shin appears in our data through filings on GCT Semiconductor Holding, Inc. shares, published by SEC (Form 4). We count 20 filings; the first trade dates from 26 March 2024 and the latest from 30 September 2026.
On the market, this insider has only ever bought: 9 purchases, €518k in total. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Besides market trades, the filings include 11 share grants.
A typical purchase (the median) is worth €57k. Across 9 purchases, this insider has always bought alone, with no colleague buying within 30 days. Looking at 9 purchases old enough to measure, the stock rose over the following 90 days in 56% of cases; the median change was +7.3%. Past outcomes like these are no guarantee of what comes next.
The latest filing, published on 2 October 2026, reports a share grant in GCT Semiconductor Holding, Inc. The latest purchase dates back some time: it was published 324 days ago, on 28 November 2025. 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. Every figure here comes from the filings published by SEC (Form 4) and describes the past, not future prices; it is not investment advice.
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