Weis Markets, Inc. ( NYSE:WMK ) stock is about to trade ex-dividend in two days. The ex-dividend date occurs one day before the record date which is the day on which shareholders need to be on the company's books in order to receive a dividend. It is important to be aware of the ex-dividend date because any trade on the stock needs to have been settled on or before the record date. Therefore, if you purchase Weis Markets' shares on or after the 6th of May, you won't be eligible to receive the dividend, when it is paid on the 23rd of May.