X0306 4 2017-11-15 0001140859 AMERISOURCEBERGEN CORP ABC 0001528056 Howell Peyton R 1300 MORRIS DRIVE CHESTERBROOK PA 19087 1 Executive Vice President Common Stock 44462 D Non-qualified Stock Option (Right to Buy) 77.53 2017-11-15 4 A 0 36017 0 A 2024-11-15 Common Stock 36017 36017 D Restricted Stock Units 2017-11-15 4 A 0 4385 0 A Common Stock 4385 4385 D Exercisable in four equal annual installments on 11/15/18, 11/15/19, 11/15/20 and 11/15/21 Annual grant of restricted stock units that vests 100% on the third anniversary of the date of grant for no consideration. Annual grant of restricted stock units that vests 100% on the third anniversary of the date of grant John G. Chou for Peyton R. Howell 2017-11-17