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Latest filing published 10 Apr 2026 for Anton Oilfield Services Group.
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Not enough history yet: 0 closed purchases, at least 2 are needed.
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.
Huang Song, listed as chief executive, has filed trades across 2 companies (mainly through HKEX), most often in Anton Oilfield Services Group and China Biotech Services Holdings Ltd. In total, 11 filings cover trades dated from 12 January 2018 to 2 April 2026.
In open-market terms, that means 6 purchases on one side and 3 sales on the other. No amount is published for 9 filings, which the totals therefore leave out. Open-market purchases are the filings investors watch most closely, because the insider pays for the shares out of pocket. Since January 2026: 1 purchase and no sales on the market.
Most recently, on 10 April 2026, the filings show an open-market purchase in Anton Oilfield Services Group. Filings reach the HKEX feed a median of 3 days after the trade. Until a filing is published, the market cannot know about the trade. Source: insider filings from HKEX. Past trades are no guide to future returns.
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11 of 11 declarations