SpaceX's first lock-up expiration following its initial public offering (IPO) is set to expire on August 6, with approximately 912 million shares entering the market, increasing the float from under 5% to around 12%. Short interest has surged to 34%, heightening market concerns about near-term price pressure.
(Prior context: SpaceX short position surpasses Tesla at $24.6 billion; earnings report and lock-up expiration countdown underway)
(Briefing: Elon Musk's SpaceX IPO makes new progress; four major banks negotiate listing details)
SpaceX has been public for only six weeks, and the countdown to the first lock-up expiration is entering its final stretch. The Financial Times analyzes that the first batch of lock-up shares expiring on August 6 amounts to approximately 912 million shares, roughly double the current number of outstanding shares.
The circulating supply has doubled, increasing the tradable percentage from 5% to 12%.
Less than 5% of SpaceX's total shares are currently tradable in the market; after the first lock-up period expires, the tradable proportion is expected to rise to approximately 12%. The Financial Times notes that the expiration of lock-up periods typically leads to an average price decline of about 1.5%, but the actual impact depends on the scale of investor selling and market demand.
Unlike some IPO companies that release all restricted shares after 180 days at once, SpaceX has implemented a phased lock-up release mechanism. The first 20% of shares can be sold immediately after the company’s first earnings report on Tuesday, with additional portions unlocking over the following months. The remaining 28% of large-block shares will be released only after SpaceX publishes its third-quarter financial results, while Elon Musk and certain major investors face a full-year lock-up period.
Advantages and Concerns of Phased Unlocks
The Financial Times compared SpaceX's lock-up structure to standard IPO practices. A traditional 180-day lock-up expiration is like ripping off a Band-Aid all at once—ending after a brief period of pain—but a phased release is more like slowly peeling it off, with less daily pressure but potentially prolonged anxiety.
The logic behind the structure designed by SpaceX and the underwriters is clear: to prevent a massive influx of shares from flooding the market and dragging down the price. However, the concern over potential selling pressure is prolonged—just as investors absorb one wave of unlocks, they must prepare for the next.
Short positions continue to surge
The phased unlock has not significantly eased market tensions. According to Bloomberg data, short positions have surged to 34% of the total outstanding shares, and SpaceX's stock price once dropped to around $108, more than halving from its all-time high six weeks ago.
Previously reported by Dongqu, SpaceX currently has a nominal short interest of approximately $23.6 billion, surpassing Tesla to become one of the most heavily shorted assets in the U.S. market.
Stock price target reached — unlock early
Notably, SpaceX has embedded performance-based clauses into its lock-up structure: if the stock price reaches 130% of the IPO price, an additional batch of shares becomes eligible for early release. This design directly aligns insiders’ interests with public market performance—not merely selling shares and exiting, but making it easier to unlock more shares as the stock price performs better.
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