X0508 4 2025-09-10 0000712034 ACCO BRANDS Corp ACCO 0001598319 Ingraham Kathryn D. C/O ACCO BRANDS CORPORATION FOUR CORPORATE DRIVE LAKE ZURICH IL 60047 1 SVP, General Counsel & Co Sec 0 Restricted Stock Units 0 2025-09-10 4 A 0 538.2 0 A 2028-08-05 2028-08-05 Common Stock 538.2 29029.2 D Restricted Stock Units (RSUs) granted under the Issuer's Incentive Plan. Each RSU represents the right to receive one share of the Issuer's common stock on August 5, 2028, provided that the Reporting Person remains employed by the Issuer at that time, subject to acceleration as provided in such Plan. Represents Restricted Stock Units (RSUs) acquired pursuant to the dividend equivalent provisions of the Reporting Person's earned and outstanding RSU awards. /s/ Kathryn D. Ingraham 2025-09-12