SpaceX first lock-up expiration unlocks 911.5M shares as Aug 4 earnings date triggers 20% release

SpaceX announced August 4 as its first earnings report, triggering the company's inaugural lock-up period expiration. The date allows insiders to begin selling 20% of their eligible locked-up stock, totaling up to 911.5 million shares, according to CNBC. SpaceX took a staggered approach to the standard 180-day lock-up period, allowing insiders to sell portions of stock at earlier intervals to prevent massive selling and price volatility. An additional 10% could be freed up if the stock closes at least 30% above the IPO price for five of the ten trading days heading into the earnings report.

SpaceX stock rose 5% on Tuesday attempting to snap a seven-day losing streak. However, as of Monday's close, SpaceX shares had shed nearly 43% from their all-time high closing price of $211.39 on June 16, 2026, just four days after the company's record $85.7 billion IPO at $135 per share. Short sellers have been ramping up their bets as the stock has plummeted, with bearish positioning reaching about a third of the company's public float. Elon Musk responded to short sellers with a post on X: 'The survival probability of firms who maintain a significant short position in SpaceX over time is very low.'

The lock-up expiration comes amid operational challenges: SpaceX scrubbed its Starship launch twice in one week due to engine ignition failures while attempting to launch a Falcon 9 rocket carrying Starlink satellites. The company is also facing investor scrutiny over its growing cloud computing business through SpaceXAI (formerly xAI), which Musk acquired in February. Google, Anthropic, and Reflection have already signed up to rent compute capacity from SpaceXAI's Memphis data centers.

For investors and practitioners tracking infrastructure plays, the lock-up event introduces a pivotal timing risk. Massive insider selling pressure coinciding with operational setbacks and competitive compute challenges could suppress stock price precisely when SpaceX needs strong market valuation for future capital access. Conversely, the Starship test flight schedule and compute capacity ramp are key near-term catalysts.