❯ Anthropic weighs letting insiders sell in its IPO, with lockups longer than 180 days

deal structureAnthropic is working on a plan to let existing shareholders sell some stock in its IPO while considering lockups longer than the standard 180 days for at least some holders, The Information reported. The prospectus is set to go public after Labor Day, targeting a listing in late September or early October. The plans are not final.

breaking from SpaceXThe structure would separate Anthropic from the year’s two other big tech listings: neither SpaceX nor Cerebras let existing stockholders sell in their IPOs. Opening up secondary sales adds float, and the longer lockup is the offset — early investors and employees get liquidity in the offering, while pressure on the open market gets pushed out at least another quarter. Anthropic’s raise is reported to exceed the $86 billion SpaceX brought in.

who recalculatesPrivate-market buyers of Anthropic stock have to redo the math: if shares can be sold in the offering itself, the discounts priced against a closed exit go away immediately. Employee option economics shift too, with a lockup past 180 days leaving a gap between paper wealth and usable cash. The tightest spot is the underwriters’ price range, where new issuance and insider supply arrive together and thin the cushion a normal book would have. Watch how many lockup tiers the prospectus defines, and who falls into each.

▪ SIGNALOpening secondaries while extending the lockup are two ends of one decision: liquidity now, but no immediate exit.