X0306 4 2019-03-19 0001140859 AMERISOURCEBERGEN CORP ABC 0001333281 Cleary James F JR 1300 MORRIS DRIVE CHESTERBROOK PA 19087 1 Chief Financial Officer Common Stock 2019-03-19 4 P 0 6 81.20 A 7312 D Common Stock 2019-03-21 4 S 0 6 80.30 D 7306 D Common Stock 2019-03-26 4 P 0 6 76.15 A 7312 D The sale of ABC common stock reported herein was matchable under Section 16(b) of the Securities Exchange Act of 1934, to the extent of six shares, with the purchase of six shares of ABC common stock at a price of $76.15 per share on March 26, 2019. The reporting person has paid ABC $24.90, representing the full amount of the profit realized in connection with the short-swing transaction. The transactions reported herein were made by an investment manager on behalf of a family trust of which the reporting person is a beneficiary and one of three co-trustees. John G. Chou for James Cleary 2019-03-28