Barrett Business Services, Inc. ( NASDAQ:BBSI ) stock is about to trade ex-dividend in four 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. The ex-dividend date is of consequence because whenever a stock is bought or sold, the trade takes at least two business day to settle. Meaning, you will need to purchase Barrett Business Services' shares before the 17th of November to receive the dividend, which will be paid on the 2nd of December.