X0508 4 2026-01-13 0000771497 ABM INDUSTRIES INC /DE/ ABM 0001669091 JACOBSEN RENE ONE LIBERTY PLAZA 7TH FL NEW YORK NY 10006 1 EVP & Chief Operating Officer 1 Common Stock 2026-01-13 4 S 0 31034.0000 44.1232 D 51714.0000 D The sale of shares reported on this Form 4 was effected pursuant to a Rule 10b5-1 trading plan entered into by the reporting person. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.755 to $44.54, 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 1 of this Form 4. By: David R. Goldman, by power of attorney 2026-01-15