Regulations Governing the Administration of Shareholder Services of Public Companies Article 45

Upon the registration of its publicly issued stocks, a company shall announce the type of stocks and number of shares held by its directors, supervisors, managerial officers, and shareholders holding more than 10% of the total shares of the company by transmitting such information via the information reporting website designated by this Commission; after transmission has been completed, public notice shall be deemed to have been duly givenThe number of shares held by the persons referred to in the preceding paragraph shall include shares held by their spouses and minor children and those held under the names of other parties.
中文原文 公開發行股票公司股務處理準則第45條
公司於股票公開發行登記後,應即將其董事、監察人、經理人及持有公司股份超過股份總額百分之十之股東,其所持有該公司之股票種類及股數向本會指定之資訊申報網站進行傳輸,於完成傳輸後,即視為已依規定完成公告申報。
前項之人持有之股票,包括其配偶、未成年子女及利用他人名義持有者。

English translation for reference only; the Chinese text prevails. Not legal advice.