In the quarters before Robinhood went public, its stock compensation expense was small enough to round to nothing — a few million dollars at a time. In the quarter it listed, the company recognized <a href=”https://investors.robinhood.com/news-releases/news-release-details/robinhood-reports-third-quarter-2021-results”>$1.01 billion of share-based compensation at once</a>. The business did not become a hundred times more expensive overnight. An accounting switch flipped, and that switch has a name: the double-trigger RSU.
An RSU, or restricted stock unit, is a promise of shares instead of cash. The “double-trigger” version pays out only when two separate conditions are both met. The first is ordinary: stay at the company long enough. The second is the strange one: the company has to go public or get acquired. Until that second event looks likely, accounting rules let the company record no expense for those shares at all. Not a smaller number. Zero.
So everything hinges on one word: when does a listing become likely? In practice, companies and their auditors land on the moment just before the offering. Robinhood’s own registration statement explained that the qualifying event <a href=”https://www.sec.gov/Archives/edgar/data/1783879/000162828021014488/robinhoods-1a2.htm”>”could not be considered probable”</a> — which is why years of accumulated pay sat outside the income statement investors were reading.
This is not one company’s quirk. A Yale Law School working paper this summer examined <a href=”https://papers.ssrn.com/sol3/papers.cfm?abstract_id=7022998″>91 U.S. unicorns that listed between 2014 and 2024</a> and found that 60 of them recognized an average of $358 million in deferred stock compensation at the time of their IPO. Eight carried more than $1 billion each. The paper argues these costs are pushed out until after retail buyers have already priced the company.
If you read prospectuses, the practical move is narrow and boring. The profit and loss statement is the wrong place to look. What you want is the footnote that reports unrecognized share-based compensation and the service period it will be spread across. That figure is the size of the bill and roughly when it arrives. A company can look near breakeven on the front page while that footnote holds a number larger than its annual revenue.
There is a defense, and it is not unreasonable. Listings collapse at the last minute for reasons no accountant can forecast, so booking the expense early would mean booking a cost for an event that may never happen. Regulators have accepted that logic. The consequence, though, falls in one direction: insiders sell into clean numbers, and the catch-up charge lands on whoever bought at the offering.
Which brings us to now. Anthropic has reportedly <a href=”https://www.bloomberg.com/news/articles/2026-09-13/anthropic-said-to-choose-nasdaq-for-much-anticipated-ipo-listing”>selected Nasdaq for a listing that could come as early as October</a>, in what may be the largest offering on record. It is a company whose share structure has already raised questions once, when it and Shein both leaned on supervoting shares to keep control away from new investors. When its prospectus becomes public, the headline valuation will get the attention. The double-trigger RSU footnote is the part that tells you what the first quarterly report as a public company is going to look like.
Not advice. Just how I see it.