X0206 3 2026-03-13 0 0001595761 WEIBO Corp WB 0001970121 Lu Pochin Christopher 8/F, QIHAO PLAZA, NO. 8 XINYUAN S. ROAD CHAOYANG DISTRICT BEIJING F4 100027 CHINA 1 0 0 0 ADS 45700 D Restricted Share 2026-05-16 Class A Ordinary Share 6250 D Restricted Share 2026-11-16 Class A Ordinary Share 6250 D Restricted Share 2027-05-16 Class A Ordinary Share 6250 D Restricted Share 2027-11-16 Class A Ordinary Share 6250 D Restricted Share 2028-05-16 Class A Ordinary Share 6250 D Restricted Share 2028-11-16 Class A Ordinary Share 3050 D Each American depositary share represents one Class A ordinary share. The restricted shares do not have an exipration date. /s/ Lu Pochin Christopher 2026-03-13