X0609 4 2026-06-12 0000771497 ABM INDUSTRIES INC /DE/ ABM 0001618972 SALMIRS SCOTT B false ONE LIBERTY PLAZA 7TH FL NEW YORK NY 10006 1 1 President and CEO 1 Common Stock 2026-06-12 4 S 0 10424.0000 46.6859 D 434861.0000 D Common Stock 2026-06-12 4 S 0 39576.0000 46.2492 D 395285.0000 D The sales of shares reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person on December 24, 2025. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.61 to $46.77, inclusive. The reporting person undertakes to provide ABM Industries Incorporated, any security holder of ABM Industries Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote 2 of this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.60 to $46.595, inclusive. The reporting person undertakes to provide ABM Industries Incorporated, any security holder of ABM Industries Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote 3 of this Form 4. Includes shares acquired pursuant to dividend reinvestment in transactions exempt from Section 16 pursuant to Rule 16a-11. By: David R. Goldman, by power of attorney 2026-06-12