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Latest filing published 30 Sept 2026 for 勤誠. Read the official filing
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Only one filing by 黃萬明 is known so far (30 September 2026): a transaction, in 勤誠. That is too little to draw conclusions. Source: insider filings from TWSE / TPEx (MOPS). Past trades are no guide to future returns.
Open company profiles for insider transactions, fundamentals and analyst consensus when available.