Up to 1.3 billion SpaceX shares become eligible for sale on the second full trading day after its September-quarter results, under the lock-up terms in the prospectus SpaceX filed with the SEC on 12 June 2026. CNBC reported that SpaceX shares climbed about 8% in extended trading on Tuesday 20 October 2026 after the results, so by our count of the prospectus terms the release falls on Thursday 22 October 2026.
The tranche is 28% of the shares under the 180-day lock-up. At the $135 IPO price it is worth about $175.5 billion, by our arithmetic. It is the largest fixed release in the prospectus schedule, larger than the up to 911.5 million shares freed after the first earnings report; that August release could have reached 1.37 billion only if a price condition was met, and CNBC described it as more than 911 million shares. Elon Musk’s shares are not part of it: the prospectus says they are not subject to any early release.
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The key insight: As we read it, the new element is the size of this release relative to the rest of the schedule: up to 1.3 billion shares, 28% of the 180-day lock-up pool, against up to 911.5 million after the first earnings report in August.
What the Prospectus Says
SpaceX sold 555,555,555 Class A shares in its initial public offering at $135.00 each, according to the prospectus. Existing shareholders agreed to a 180-day lock-up with timed automatic releases. The prospectus sets out these terms:
- The September-quarter release. On the second full trading day after SpaceX publishes its results for the quarter ended 30 September 2026, “Up to 1.3 billion shares of Class A common stock, representing 28% of the shares subject to the 180-day lock-up period” become available for sale.
- Musk’s shares. “Shares held by Mr. Musk will not be subject to any early release provisions.” The prospectus says 7.8 billion shares, “including 100% of the shares owned by Mr. Musk,” are restricted for over one year, about 60% of shares outstanding after the offering.
- The waiver. Goldman Sachs & Co. LLC “may release any of the securities described above at any time, subject to applicable requirements,” the prospectus says.
- Affiliates. The releases through 9 September exclude shares held by affiliates, and 59.1 million affiliate shares are released on 10 September; the later releases, including the 1.3 billion, carry no such exclusion in the schedule. Shares held by affiliates remain subject to Rule 144 volume limitations.

The Table: Every Release in the 180-Day Schedule
The table lists each release date in the prospectus for the 180-day lock-up group. It shows the September-quarter release next to the earlier tranches.
| When shares become eligible for sale | Class A shares | Notes |
|---|---|---|
| Second full trading day after the June-quarter results | Up to 911.5 million | Shares in the 180-day group; CNBC says this lock-up lifted on 6 August |
| Same day, only if a price condition was met | Up to 455.8 million more | Requires a close at least 30% above the IPO price on five of ten trading days |
| Day 70, 20 August 2026 | Up to 319.0 million | 7% |
| Day 90, 9 September 2026 | Up to 319.0 million | 7% |
| Day 91, 10 September 2026 | Up to 59.1 million | Shares held by affiliates |
| Day 105, 24 September 2026 | Up to 328.4 million | 7% |
| Day 120, 9 October 2026 | Up to 328.4 million | 7% |
| Second full trading day after the September-quarter results | Up to 1.3 billion | 28%; the largest fixed release in the schedule |
| Day 135, 24 October 2026 | Up to 328.4 million | 7% |
| Day 180, 8 December 2026 | Up to 328.4 million or up to 797.6 million | The remainder; the larger figure applies if the extra 455.8 million were not released in August |
Source: SpaceX’s prospectus, filed with the SEC on 12 June 2026, section on shares eligible for future sale. Percentages are shares of the 180-day lock-up pool. The releases through 9 September exclude shares held by affiliates; the later rows carry no such exclusion. The schedule continues into 2027 for an extended lock-up group.

How the Stock Has Traded Around Releases
CNBC’s live-updates page on the results gives the price history. SpaceX opened at $150 on 12 June and slipped to $147.50 by Tuesday 20 October, CNBC said, giving it a market value of about $2 trillion.
- The August release. “The stock hit a low of $104.83 on Aug. 3, a few days before the first post-IPO lockup expired,” CNBC wrote. “The lockup lifted on Aug. 6, and the stock rallied, popping 6% initially, then nearly 16% the day after.”
- After the September-quarter results. SpaceX shares “climbed about 8% in extended trading on Tuesday after the company reported 161% revenue growth for the third quarter,” CNBC reported.
- On the release day. CNBC’s quote module showed SpaceX at $150.45 at 10:47 a.m. ET on Thursday 22 October 2026, down $8.86, or 5.56%. At that price, the 1.3 billion shares are worth about $195.6 billion, by our arithmetic.
Where This Fits in Our Coverage
- Our piece on SpaceX’s third-quarter results covers revenue of $14.6 billion, up 161%, which SpaceX said was fueled by its Super Intelligence segment and accelerated growth in Connectivity.
- Our piece on a SpaceX-Tesla deal covers a Bloomberg Billionaires Index estimate that a tie-up could add more than $110 billion to Musk’s fortune by accelerating the vesting of Tesla shares.
- CNBC reported that in its first earnings report, in August, SpaceX disclosed capital expenditures of $18.4 billion, with 80% going to its artificial intelligence division.
The Structural Read
As we read it, the schedule ties the largest release to an earnings date rather than a calendar date, so the September-quarter results and the release arrive in the same week.
As we read it, the August release is the only earlier earnings-linked release in the schedule; for it, CNBC reported a low of $104.83 a few days before and a rally after.
As we read it, control does not change with this release: the prospectus says Musk’s shares are not subject to any early release, and 7.8 billion shares, including all of his, stay restricted for over one year.
SpaceX prospectus, filed with the SEC on 12 June 2026
“Shares held by Mr. Musk will not be subject to any early release provisions”
Three Implications
FOR PRE-IPO HOLDERS The prospectus makes up to 1.3 billion shares eligible for sale after the September-quarter results; as we read it, holders can now choose to sell or keep them.
FOR SPACEX’S AI SPENDING CNBC reported that in its first earnings report, in August, SpaceX disclosed capital expenditures of $18.4 billion, with 80% going to its artificial intelligence division; the IPO raised about $75 billion at $135 a share, according to the prospectus.
FOR THE REST OF 2026 The prospectus lists up to 328.4 million more shares on 24 October and the remainder on 8 December, either 328.4 million or 797.6 million.
The Business Engineer Lens
This story maps onto the Business Engineer framework The AI Capex Map.
The framework’s thesis: “the capex race is no longer a corporate spending cycle. It is a sovereign-scale financing problem dressed in tech-company clothing”.
As we read it, SpaceX’s IPO and its lock-up schedule are one way that financing reaches the public market: the company raised money at $135 a share, and early holders gain the option to sell on a timetable set in the prospectus. The framework was published in May 2026 and does not discuss SpaceX’s lock-up.
What Is Not Established
The prospectus sets how many shares may be sold, not how many will be: “up to” is a ceiling, and holders can keep their shares. The 22 October date is our count of the prospectus wording, based on CNBC’s report that the results came on Tuesday 20 October with the shares moving in extended trading. We have not seen whether the August price condition for the extra 455.8 million shares was met, so the 8 December figure is either 328.4 million or 797.6 million.
The $150.45 price is an intraday quote, and the 5.56% move is not attributed to the release by any source we read. The underwriters can waive the lock-up at any time.
The Bottom Line
SpaceX’s prospectus allows up to 1.3 billion shares from its 180-day lock-up group to become eligible for sale on the second full trading day after its September-quarter results, which by our count is 22 October 2026. That is 28% of the locked shares and the largest fixed release in the schedule, worth about $175.5 billion at the $135 IPO price, by our arithmetic. Musk’s shares stay restricted for over a year.
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A note on sourcing. This piece is based on SpaceX’s prospectus as filed with the SEC on 12 June 2026, read in its lock-up and shares-eligible-for-sale sections; CNBC’s 20 October 2026 live-updates page on the results, including its quote module as read on 22 October 2026; and our own earlier pieces. The release date is our count of the prospectus wording. Share values are our arithmetic. “Up to” figures are maximums, not sales. Nothing here is investment advice.
Sources: SpaceX prospectus, Form 424(b)(4), SEC, 12 June 2026 · CNBC: SpaceX (SPCX) Q3 2026 earnings report, live updates (20 Oct 2026)









