Banks Explore Limiting Mass Selling in Mega IPOs

By Patricia Miller

Dec 18, 2025

2 min read

Banks are reportedly exploring changes to how post-listing share sales are handled for potential IPOs from high-profile private companies including SpaceX, Anthropic, and OpenAI. Rather than relying solely on traditional lock-up periods that restrict insider and early investor selling, underwriters are considering staggered share release structures designed to gradually introduce stock into the public market.

The approach under discussion is intended to reduce the risk of a large volume of shares becoming available at once, which can pressure prices during the early weeks of trading. Bankers are assessing whether more flexible release schedules could help support orderly trading and sustain pricing momentum following a public debut.

These discussions come as investors and underwriters weigh the challenges posed by elevated valuations and concentrated ownership in large, closely held technology companies. Managing post-IPO selling dynamics has become a greater focus amid concerns that abrupt insider sales could amplify volatility in newly public stocks.

#Investor Takeaway

Revised post-IPO selling structures could help limit early trading volatility, offering investors a more stable entry period in highly anticipated listings.

#Market Impact

If adopted, staggered share release plans may contribute to smoother market debuts for large IPOs by reducing the risk of sharp, early sell-offs. The strategy could also support investor confidence during initial trading phases.

#What’s Next

Investors should watch for future disclosures, filings, or commentary from companies and underwriters that could provide clarity on IPO timing and any proposed share release structures. None of the companies mentioned have publicly announced IPO dates or finalized post-listing plans.

Important Notice And Disclaimer

This article does not provide any financial advice and is not a recommendation to deal in any securities or product. Investments may fall in value and an investor may lose some or all of their investment. Past performance is not an indicator of future performance.