SpaceX's stock rallied by 16% following its first major lock-up expiration, contrary to widespread predictions of a selloff. Nearly 911.5 million shares became eligible for sale, doubling the public float and leading to expectations of pressure on the stock. However, the anticipated selling did not happen, indicating that investors may have overestimated the likelihood of a selloff. The event demonstrated that just because shares are eligible to be sold does not mean they will be sold immediately, as many holders chose to retain their shares. The rally serves as a lesson against assuming mechanical behavior in markets and emphasizes the importance of understanding investor psychology. Future assessments of SpaceX's stock will need to consider whether it can absorb a larger shareholder base without the support of scarcity.

SpaceX Lock Up Rally Shows Investors Got The Selloff Wrong

By Jim Osman,

Senior Contributor.

Forbes contributors publish independent expert analyses and insights. Jim Osman is a finance expert with over 30 years of experience.

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Aug 09, 2026, 07:00am EDT

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Summary

SpaceX stock surprisingly rallied about 16% after its first major lock-up expiration, defying widespread expectations of a selloff. Nearly a billion shares became eligible, doubling the public float, and the stock had already dipped below its IPO price. However, the anticipated "mechanical" selling didn't materialize as investors had become too certain about the selloff, creating a crowded trade. This rally highlights that eligibility to sell doesn't equate to immediate selling, as many holders may retain shares. While the initial absorption was strong, this doesn't settle valuation or remove future supply overhangs. The true test for SpaceX will be its ability to absorb a much larger shareholder base without relying on scarcity, as more lock-ups are expected. The market learned a valuable lesson about overestimating predictable outcomes.

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A television station broadcasts Space Exploration Technologies Corp. (SpaceX) news during the Braveheart Bio Inc. initial public offering (IPO) at the Nasdaq MarketSite in New York, US, on Thursday, Aug. 6, 2026. Braveheart Bio Inc., a clinical-stage biopharmaceutical company backed by a16z, raised $382.5 million in an upsized US initial public offering that priced above the top of its marketed range. Photographer: Michael Nagle/Bloomberg... More

The SpaceX lock up rally does not mean the supply risk disappeared. It means investors became too certain about what that supply would do.

The first major lock-up expiration arrived with almost every ingredient for a selloff. Up to 911.5 million shares held by employees and early investors became eligible for sale, adding to an IPO float that had already been unusually tight. The stock had fallen below its $135 IPO price before the event, and the obvious trade was to assume that more available shares would mean more pressure. Reuters reported that the number of shares available for public trading more than doubled after the first lock-up restriction expired.

Then the stock rallied.

MarketWatch described it as one of SpaceX’s best days since coming public, while The Wall Street Journal said the shares jumped about 16% as lock-up fears faded. That does not prove the market suddenly discovered that SpaceX is cheap. It proves something more useful. The selloff had become too easy to explain, too visible to trade around, and probably too crowded by the time the actual event arrived.

In my last Forbes article on SpaceX, I argued that the August 6 unlock was not dilution. The shares already existed. The issue was liquidity, ownership, and what happens when a stock initially priced on scarcity meets a larger pool of potential sellers. The key question before the unlock was not who could sell, but who had to sell. It was who had to sell.

That question still matters. But after the rally, a second question matters more: who had already positioned for the selling before the sellers arrived?

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SpaceX Lock Up Rally Did Not End The Supply Test

The lock-up was not a non-event. The market just overestimated how mechanical the selling would be. The event mattered because SpaceX came public with a notably public float relative to the company’s size. In July, Reuters reported that the IPO made less than 5% of SpaceX shares available for public trading, creating scarcity around one of the most demanded listings in recent memory. Axios also noted before the unlock that the first expiration could substantially increase the tradable supply of stock.

Scarcity cuts both ways. It can help support a high early valuation when investors are fighting for limited stock. It can also make the first increase in supply look more dangerous than it really is. Markets often treat eligibility to sell as if it were the same as selling. It is not.

Employees, early investors, and venture funds do not all behave the same way. Some may sell because an IPO finally gives them liquidity after years of holding private stock. Some may sell for tax, diversification, or fund-life reasons. Others may hold because they believe the stock remains below long-term value or because selling immediately after the first unlock sends the wrong signal. The market does not need all 911.5 million eligible shares to sell for the lock-up to matter. But it also should not assume all eligible holders are sellers just because a calendar date arrives.

This is the mistake investors often make around IPOs. They focus on the date and miss the owners.

The Fear Trade Became Crowded Before The Event

By the time the unlock arrived, too many investors were leaning the same way.

That was the structural setup. The stock had already sold off. The lock-up was already known. The IPO price had become an obvious reference point. The narrative was simple enough for everyone to repeat: a small float supported the early valuation, nearly 1 billion shares were becoming eligible, and insider selling could pressure the stock. That narrative was not foolish. It was just no longer ignored.

In my July Forbes article, I warned that investors should not confuse SpaceX as a company with SpaceX as a stock. SpaceX may be one of the most important companies in the world, but great companies can still become dangerous public-market setups if their opening price assumes too much too soon. The Uber comparison was never about the quality of the businesses. It was about IPO psychology, scarcity, and the moment investors start treating access as opportunity.

That same discipline applies here, only from the other side. Before the unlock, investors were right to respect the supply risk. But once the fear became obvious, the trade began changing. The market was no longer discovering the lock-up. It was already positioned around it.

That is why the rally matters. It was not necessarily a clean fundamental endorsement. It may have been a positioning event. Some investors expected forced selling. Some shorts likely expected more pressure. Some buyers may have waited for liquidity and then stepped in when the feared wave did not arrive immediately. AP reported that analysts framed the expiration as both a risk and a possible opportunity for others to enter the stock more cheaply.

That is how crowded trades break. Not because the original concern was imaginary, but because the market becomes too certain about how the concern will play out.

SpaceX

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SpaceX Lock Up Rally Does Not Remove The Overhang

A rally after the first unlock does not settle the valuation question.

SpaceX still has to move from scarcity pricing to broader price discovery. The first public shareholders were buying a small fraction of a famous company with a very powerful story. The next stage is different. More holders can make their own decisions. More buyers can enter with better liquidity. More sellers can appear without warning. The stock has to find out who its real public owners are. One strong session does not complete that transition.

My last article made the same point before the event. The first unlock was only the beginning of a staggered ownership transition. Additional restrictions are expected to lift in later tranches, with a much larger percentage of the company potentially becoming tradable over time. One day of strong trading can show absorption. It cannot prove absorption is complete.

This scenario is where investors should be careful. A rally after a feared event can create a false sense of resolution. The risk looks finished because the stock went up when it was supposed to go down. But the actual issue has only changed form. The question is no longer whether the first lock-up date would break the stock. It is whether the market can absorb a much larger shareholder base without the support of scarcity, novelty, or short covering.

If volume remains strong and the stock holds up as more eligible holders gain liquidity, then the market will have learned something meaningful. It will suggest real demand exists beyond IPO excitement. If the stock begins fading again as more supply appears, then the rally will look more like a squeeze than a reset.

The Next Test Is Absorption, Not Scarcity

The next useful signal is not another debate about whether SpaceX is exceptional. It clearly is.

The useful signal is whether investors want the stock when they no longer have to fight for every share. That is what separates scarcity from demand. Scarcity says buyers want access because there is not enough stock available. Demand says buyers are willing to absorb supply because they believe the price is attractive. Those are entirely unique things.

SpaceX is now entering the part of the IPO cycle where ownership matters more than excitement. Public investors have seen the stock above the IPO price, below the IPO price, through its first earnings reaction and through the first major unlock. That gives the market more information than it had at the IPO, but it does not give it certainty. The valuation still has to carry Starlink, launch economics, government work, Elon Musk’s premium, and the long runway of space optionality. It also has to carry the ordinary public-market problem that even exceptional companies eventually face: what price properly reflects the risk?

The July article argued that access is not opportunity. The August article argued that the lock-up would test scarcity. The follow-up is now clearer. SpaceX’s first lock-up did not prove the stock is cheap. It indicated that investors were too quick to assume that newly eligible shares would automatically lead to immediate selling. It’s a useful lesson.

The SpaceX lock up rally shows investors got the sell-off wrong, but supply still matters. They got it wrong because they treated the lock-up like a mechanical event when it was really a behavioral one. IPOs misprice for reasons other than misunderstandings about the businesses. They misprice because owners change, incentives change, and the market becomes too certain about what other people will do next. That is often where the next mispricing begins.

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