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Latest filing published 28 Oct 2025 for Giant Biogene Holding Co., Ltd, €2.4M. Read the official filing
Based on 10 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.
YAN Jianya appears in our data through filings on Giant Biogene Holding Co., Ltd shares, published by HKEX. In total, 15 filings cover trades dated from 4 November 2022 to 27 October 2025.
Market trades split into 10 purchases (€479.9M) and 4 sales (€472.2M). The totals do not cover 1 filing with an undisclosed amount. Buying on the open market means paying the going price with one's own funds, a different act from receiving shares as pay. So far in 2025, the count stands at 9 purchases and 1 sale.
A typical purchase (the median) is worth €3.0M. Across 10 purchases, this insider has always bought alone, with no colleague buying within 30 days. For 10 purchases whose 90-day window has closed, the share price was higher on day 90 than the day after publication in 10% of cases, with a median move of -17.2%. These figures describe past trades and do not predict future prices.
Most recently, on 28 October 2025, the filings show an open-market purchase worth €2.4M in Giant Biogene Holding Co., Ltd. The median gap between a trade and its publication by HKEX is 2 days. The shorter that gap, the sooner other investors can see what insiders have done. Source: insider filings from HKEX. Past trades are no guide to future returns.
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