This Amendment No. 14 to Schedule 13D (this Amendment No. 14)
amends and supplements the Schedule 13D (the Schedule 13D) relating to the common stock, $0.01 par value per share (Common Stock), of AmerisourceBergen Corporation, a Delaware corporation (the
Issuer), originally filed with the Securities and Exchange Commission (the SEC) on April 15, 2014, as amended by Amendment No. 1 thereto filed on January 16, 2015, Amendment No. 2 thereto
filed on January 25, 2016, Amendment No. 3 thereto filed on March 22, 2016, Amendment No. 4 thereto filed on August 25, 2016, Amendment No. 5 thereto filed on November 14, 2016, Amendment No. 6 thereto filed
on January 6, 2021, Amendment No. 7 thereto filed on June 3, 2021, Amendment No. 8 thereto filed on May 12, 2022, Amendment No. 9 thereto filed on August 4, 2022, Amendment No. 10 thereto filed on
November 9, 2022, Amendment No. 11 thereto filed on December 12, 2022, Amendment No. 12 thereto filed on May 15, 2023 and Amendment No. 13 thereto filed on June 20, 2023. Terms used but not defined in this
Amendment No. 14 have the respective meanings given to such terms in the original Schedule 13D, as previously amended.
Item 2. Identity
and Background.
Item 2 is amended and supplemented as follows:
This Amendment No. 14 is being filed by: (i) Walgreens Boots Alliance Holdings LLC, a Delaware limited liability company (WBA
Holdings) (f/k/a WAB Holdings LLC); (ii) WBA Investments, Inc., a Delaware corporation (WBA Investments); and (iii) Walgreens Boots Alliance, Inc., a Delaware corporation (WBA). WBA Holdings, WBA
Investments and WBA are collectively referred to as the Reporting Persons.
WBA Holdings was formed solely for the purpose of investing
in the Issuer. All of the shares of Common Stock reported as beneficially owned by any Reporting Person in this Schedule 13D are held by WBA Holdings. WBA Holdings is a wholly owned subsidiary of WBA Investments. WBA Investments is a wholly owned
subsidiary of WBA. WBA, together with its subsidiaries, including the Reporting Persons, is a global pharmacy-led, health and wellbeing enterprise.
The principal business office of each of the Reporting Persons is: c/o Walgreens Boots Alliance, Inc., 108 Wilmot Road, Deerfield, Illinois 60015.
Attached as Annex A hereto and incorporated herein by reference is a list containing the (a) name, (b) residence or business address,
(c) present principal occupation or employment and the name, principal business address of any corporation or other organization in which such employment is conducted, and (d) citizenship, in each case, of each director and executive
officer of the Reporting Persons, as applicable.
During the last five years, each Reporting Person and, to the knowledge of such Reporting Person, each
person listed in Annex A with respect to such Reporting Person, has not been convicted in any criminal proceeding (excluding traffic violations or similar misdemeanors) and has not been a party to a civil proceeding of any judicial or administrative
body of competent jurisdiction as a result of which such person was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding of
any violation with respect to such laws.
Item 4. Purpose of Transaction.
Item 4 is amended and supplemented as follows by adding the following:
August 2023 Transactions and Concurrent Share Repurchase
On August 3, 2023, WBA Holdings entered into variable pre-paid forward sale contracts (the Contracts)
with each of Bank of America, N.A., Citibank, N.A., Deutsche Bank AG, London Branch, Goldman Sachs International, Mizuho Markets Americas LLC, Morgan Stanley Bank, N.A., Société Générale and Wells Fargo Bank, National
Association (the VPF financial institutions), (the August 2023 Transactions) substantially in the form of the Form of Master Confirmation referenced in Item 6. In connection with the August 2023 Transactions, on
August 3, 2023, the Issuer and WBA Holdings entered into an underwriting agreement (the Underwriting Agreement) with Goldman Sachs & Co. LLC (the Underwriter) and the VPF financial institutions. Pursuant to the
Underwriting