So, it sound like this was a sale of fractional shares. #of shares sold is .545455, date of sale would be 08/10/2017, proceeds of $32.02.
Date of purchase would be the date you originally bought the MetLife stock. The cost basis would be a fairly complex calculation, but since it's such a small amount, you could just use zero and preserve all your original cost basis for when you sell the stock you received.