What happened Shares of SentinelOne (NYSE: S) slumped as much as 15.7% on Wednesday morning after the company reported earnings results for the third quarter. As of 12:40 p.m. ET, the stock had recovered a lot of these losses and was down 5.9% for the day. So what After the close on Dec. 7, SentinelOne reported its quarterly results for the three months ending in October. Revenue was $56 million in the quarter, growing 128% year over year and handily beating the analyst expectation of $49.6 million for the quarter. Annualized recurring revenue (ARR) reached $237 million, growing 131% year over year. Even with these strong growth numbers, SentinelOne stock still slumped today after the results, indicating that investors had higher expectations for the cybersecurity company this quarter. Image source: Getty Images. SentinelOne is one of the most expensive stocks on the market right now. With a market cap of $13.5 billion, the company trades at a price-to-sales ratio (P/S) of 57 based on its current ARR number. This P/S should come down rather quickly if SentinelOne can continue growing revenue at a triple-digit rate, but it is still quite expensive nonetheless. Now what One thing any investor thinking of buying shares of SentinelOne should remember is that its lock-up period expires tomorrow, Dec. 9. This means a lot of early-stage investors, who have not been able to sell shares during the first six months SentinelOne has been a public company, will be able to sell their shares in the open market. Typically, this can create downward pressure on a stock with a ton of new sellers coming to market to cash out their stakes. It is not guaranteed to happen to SentinelOne but is something for anyone watching this stock to keep an eye on over the coming months. 10 stocks we like better than SentinelOne, Inc.When our award-winning analyst team has a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has tripled the market.* They just revealed what they believe are the ten best stocks for investors to buy right now... and SentinelOne, Inc. wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of November 10, 2021 Brett Schafer has no position in any of the stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. The Motley Fool has a disclosure policy.Source