Form 3 Filing for Golden Sun Technology Group Ltd.

This filing reports initial ownership of securities for Xueyuan Weng, Chairman of the BOD and CEO of Golden Sun Technology Group Ltd. (GSUN). The filing indicates that Xueyuan Weng directly owns 403,000 shares of Class B ordinary shares following the transaction. The reporting owner's address is in Shanghai, China. The period of report is March 18, 2026, and the signature date is April 3, 2026.