keurig dr pepper inc kdp shares jumped 33 in friday premarket trading after the beverage company announced a 4 billion share buyback program based on the current stock price the program represents 8 of outstanding shares the program is effective for four years starting january 1 2022 and ending december 31 2025 keurig dr pepper is hosting a virtual investor day event on friday the company also reaffirmed its 2021 guidance for adjusted earnings per share growth in the range of 13 to 15 and constant currency net sales growth in the range of 6 to 7 the factset consensus is for eps of 160 implying a 146 increase keurig dr pepper shares are up 68 for the year to date while the sp 500 index spx has gained 147 for the period