X0508 4 2025-09-10 0000712034 ACCO BRANDS Corp ACCO 0001647443 Monteagudo Graciela C/O ACCO BRANDS CORPORATION LAKE ZURICH IL 60047 1 0 Restricted Stock Units 0 2025-09-10 4 A 0 3575.6 0 A Common Stock 3575.6 192845.25 D Represents Restricted Stock Units (RSUs) acquired pursuant to the dividend equivalent provisions of the Reporting Person's earned and outstanding RSU awards. Restricted Stock Units (RSUs) granted under the Issuer's Incentive Plan. RSUs are immediately vested or vest on the one year anniversary of the grant date, but in either case, have been deferred under the Issuer's Deferred Compensation Plan for Non-Employee Directors. Each RSU represents the right to receive one share of the Issuer's common stock upon the earlier of the date of the reporting person's death or disability, or cessation of service as a member of the Board of Directors. /s/ Kathryn D. Ingraham, Attorney-in-fact for Graciela Monteagudo 2025-09-11