Up to about 319 million SpaceX Class A shares became eligible to trade on September 9, 2026. That release was the 90-day tranche under the company’s IPO lock-up schedule and represented roughly 7% of the shares subject to the 180-day lock-up, excluding Rule 144 affiliates.
A separate affiliate block of up to about 59.1 million shares followed on September 10, 2026 (day 91). SpaceX had priced its IPO at $135 a share under the ticker SPCX in June 2026.
Source: FinanceFeeds — SpaceX unlocks 319 million shares (citing SEC Form 424B4)