The brief market update says XNDU declined following a share resale filing, a type of registration that can increase the amount of stock available for sale.
XNDU fell after a share resale filing, according to the provided market update. A share resale filing typically refers to a registration process that allows existing shareholders to sell stock publicly, and markets often watch such filings because they can signal potential selling pressure. The source does not provide the size of the decline, the number of shares involved, the filing venue, or any company statement.