ACCO BRANDS Corp - Form 4 Filing

This Form 4 filing reports a transaction by Robert J. Keller, a director at ACCO BRANDS Corp. On September 9, 2026, Mr. Keller acquired 4,514.30 Restricted Stock Units (RSUs) under the company's Incentive Plan. These RSUs are immediately vested but have been deferred under the company's Deferred Compensation Plan for Non-Employee Directors. Each RSU represents the right to receive one share of ACCO BRANDS Corp common stock upon the occurrence of specific events, such as the reporting person's death or disability, or cessation of service as a Board member. Following this transaction, Mr. Keller holds a total of 264,536.67 shares. The reported transaction code is "A" for acquisition, and the underlying security is Common Stock.