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One hedge fund is pitching a fix to SpaceX's IPO deluge: shorten employee lockup periods

Reported by Opalesque ·Semafor
Apr 13, 2026· 3 min read
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Key Takeaways
  • • Hedge fund Lykos Global Management has proposed a revised IPO structure called the Threshold-Indexed Dynamic Exit (TIDE) designed to manage massive post-IPO selling pressure from employee lockup expirations at SpaceX, which could total over $1 trillion in shares at current valuations.
  • • The TIDE mechanism uses price-based gates tied to IPO multiples rather than fixed time periods: employees can sell 15% of holdings once stock trades at 50% above IPO price, with additional tranches unlocking at lower thresholds (40% premium triggers another 10% release plus 10% for non-affiliated venture investors).
  • • The proposal addresses a structural challenge facing underwriters handling SpaceX's IPO: traditional six-month lockup periods would release an unprecedented volume of insider shares simultaneously, creating severe selling pressure and potential price volatility that could depress valuations.
  • • The TIDE framework extends the liquidity window by making share releases contingent on stock price appreciation and market depth, allowing for a gradual, rolling IPO that calibrates release timing to the market's absorption capacity rather than calendar dates.
  • • It remains unclear whether SpaceX is actively considering this structure, though bankers have reportedly been exploring similar alternative approaches to manage insider selling and maintain post-IPO price stability.
Summary
Lykos Global Management, a hedge fund, has submitted a proposal to SpaceX's underwriters outlining an alternative IPO structure designed to mitigate the unprecedented selling pressure expected to follow a traditional employee lockup expiration. The mechanism, termed the Threshold-Indexed Dynamic Exit (TIDE), represents an attempt to solve a critical problem: at current SpaceX valuations, insider share releases six months post-IPO could flood the market with more than $1 trillion in securities, creating significant downward pressure on stock price.

Under the conventional lockup framework, company insiders—employees, early investors, and executives—are restricted from selling shares for a fixed period, typically 180 days. When that period expires, a wave of selling often pressures stock prices. For SpaceX, the scale of this overhang is extreme. Bankers have been actively exploring alternative structures to allow shares to enter the market more gradually and smoothly, contingent on underlying demand.

The TIDE proposal uses price thresholds rather than time-based release schedules. According to the Lykos presentation reviewed by Semafor, if SpaceX stock trades at a five-day average price 50% higher than the IPO price, the first gate lifts, allowing employees to sell 15% of their holdings. Subsequent thresholds decline in percentage terms as the stock appreciates further—a 40% sustained increase over the list price triggers release of an additional 10% for employees and 10% for non-affiliated venture investors. Board directors and CEO Elon Musk receive later release windows, though Musk's intention to participate in any selling remains undetermined.

This rolling release mechanism essentially converts the post-IPO overhang into a market-driven, multi-tranche process calibrated to stock price performance and aggregate market depth. Rather than a single deluge of $1 trillion, shares trickle in as price performance validates underlying demand. While it is unclear whether SpaceX is actively pursuing this specific structure, similar concepts are reportedly under consideration by underwriters managing the transaction, reflecting the market's recognition that traditional lockup mechanics are inadequate for an offering of this magnitude.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Opalesque One hedge fund is pitching a fix to SpaceX's IPO deluge: shorten employee lockup periods Semafor Exclusive: One hedge fund is pitching a fix to SpaceX’s IPO deluge: Shorten employee lockup periods