Simple. These stocks are an investment sale and the cost for you is explained below. The date acquired can be selected as 'Something other than a date', then select 'Various'. You will need to know if you have held the stock short term or long term (see holding periods below).
Holding Periods:
Tax Basis Example: Assume a shareholder has an aggregate $100 basis in 50 shares of ABC stock ($2 per share), and the fair market value of one share of ABC stock is $66.65. Following the ABC Merger, the shareholder should have an aggregate $100 basis in 64.1 shares of ABC stock (50 shares x 1.2820, or $1.56 per share), and should be treated as having sold 0.1 shares of ABC stock with a tax basis of $0.156 ($1.56 x 0.1 shares) for $6.67 ($66.65 per share fair market value x 0.1 fractional shares).
Once you have your information you will complete the entry in TurboTax using the following steps.