$房地产技术指数ETF(HHH)$ 8-K12B Notification that a class of securities of successor issuer is deemed to be registered pursuant to section 12(b), items 1.01, 3.01, 3.03, 5.02, 5.03, 8.01, and 9.01 Accession Number: 0001104659-23-090466  Act: 34  Size: 395 KB 网页链接