X0609 4 2026-04-10 0 0001857816 GigaCloud Technology Inc GCT 0002004239 WAN XIN false C/O GIGACLOUD TECHNOLOGY INC 4388 SHIRLEY AVENUE EL MONTE CA 91731 0 1 0 0 Chief Technology Officer 0002014819 FAITHFUL WINNER HOLDINGS LTD false C/O GIGACLOUD TECHNOLOGY INC 4388 SHIRLEY AVENUE EL MONTE CA 91731 0 1 0 0 Chief Technology Officer 0 Class A Ordinary Shares, par value $0.05 per share 2026-04-10 4 M 0 5500 0 A 15600 D Class A Ordinary Shares, par value $0.05 per share 717540 I By FAITHFUL WINNER HOLDINGS LIMITED Restricted Share Units 2026-04-10 4 M 0 5500 0 D Class A Ordinary Shares, par value $0.05 per share 5500 4600 D The securities are directly held by FAITHFUL WINNER HOLDINGS LIMITED. Xin Wan is the sole shareholder and sole director of FAITHFUL WINNER HOLDINGS LIMITED and may be deemed to be an indirect beneficial owner of the securities held by FAITHFUL WINNER HOLDINGS LIMITED. This report shall not be deemed an admission that any of the reporting persons is the beneficial owner of such securities for purposes of Section 16 of Securities Exchange Act of 1934, as amended, or for any other purpose. Each Restricted Share Unit ("RSU") represents a contingent right to receive one share of Class A ordinary shares of the Issuer when vested. These RSUs, which were granted on April 10 2025, vest upon the satisfaction of a service condition and have no expiration date. The service condition was fully satisfied on April 10, 2026. The RSUs will be vested at the end of the twelve (12)-month period commencing from the date of grant, subject to continuous service. Vested shares will be delivered to the reporting person following vesting. /s/ Lei Wu, Attorney-in-fact, for each of the reporting persons named herein 2026-04-14