Castle Biosciences Announces Closing of Initial Public Offering and Full Exercise of Underwriters’ Option to Purchase Additional Shares

Castle Biosciences, Inc. (Nasdaq: CSTL), announced today the closing of its previously announced initial public offering of 4,600,000 shares of its common stock, which includes 600,000 shares sold pursuant to the exercise in full by the underwriters of their option to purchase additional shares, at a price to the public of $16.00 per share.