While the 19b-4 forms could get approved today, it’s likely the S-1 forms won’t go effective for a number of weeks, one source said, which will delay trading until that happens. https://www.tbstat.com/wp/uploads/2023/08/20230522_HistoryOfEthereumRoadmap_News-1200x675.jpg?isSafari=false&isMobile=false
The 19b-4 forms are important for exchanges to propose necessary changes and new product introductions to the SEC. On the other hand, the S-1 forms are the initial registration documents that disclose detailed information about the new securities offered to the public