X0508 4 2026-01-08 0000771497 ABM INDUSTRIES INC /DE/ ABM 0002113430 Gallo Thomas James ONE LIBERTY PLAZA 7TH FL NEW YORK NY 10006 1 EVP & Chief Strategy Officer 0 Common Stock 2026-01-08 4 A 0 5281.0000 0.0000 A 23194.0000 D Common Stock 2026-01-09 4 F 0 927.0000 44.6900 D 22267.0000 D Common Stock 2026-01-10 4 A 0 1964.0000 0.0000 A 24231.0000 D Common Stock 2026-01-10 4 F 0 3154.0000 44.6900 D 21077.0000 D Restricted stock units (RSUs) granted under the 2021 Equity and Incentive Compensation Plan, representing a contingent right to receive shares of common stock. Such RSUs vest in three equal annual installments beginning a year from the grant date, and will settle in shares of common stock. Dividend equivalent rights will accrue. Represents shares of Issuer common stock acquired pursuant to vesting of performance shares that were granted to the reporting person in January 2023 and have vested based upon the satisfaction of performance criteria specified for the award at the time of grant. By: David R. Goldman, by power of attorney 2026-02-27