Company: ABM
Filing Date: 2025-03-27
Form Type: S-8
Source: 0000950170-25-046014
Chunk: 1

Company: ABM INDUSTRIES INC /DE/
Filing Date: 2025-03-27
Form: S-8
Chunk 1
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PECTUS</div>

Item 1. Plan Information*

Item 2. Registrant Information and Employee Plan Annual Information*

*Information required by Part I to be included in the Section 10(a) prospectus will be sent or given to employees as specified by Rule 428 of the Securities Act of 1933, as amended (the “Securities Act”), and is omitted from this Registration Statement in accordance with Rule 428 under the Securities Act and the Note to Part I of Form S-8.

<div align='center'>PART II

INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</div>

Item 3. Incorporation of Documents by Reference

The following documents previously filed by ABM Industries Incorporated (the “Registrant” or the “Company”) with the Securities and Exchange Commission (the “Commission”) are incorporated by reference into this Registration Statement:

The Registrant’s Annual Report on Form 10-K for the fiscal year ended October 31, 2024 , filed with the Commission on December 19, 2024.

The Registrant’s Quarterly Report on Form 10-Q for the quarter ended January 31, 2025 , filed with the Commission on March 12, 2025.

The Registrant’s Current Reports on Form 8-K filed with the Commission on February 28, 2025 and March 12, 2025 (Item 8.01 only) .

The description of the Registrant’s common stock, par value $0.01 per share, contained in Exhibit 4.1 to the Registrant’s Annual Report on Form 10-K for the fiscal year ended October 31, 2020, including any subsequently filed amendments and reports updating such description.

To the extent that any information contained in any Current Report on Form 8-K, or any exhibit thereto, was furnished to, rather than filed with, the Commission, such information or exhibit is specifically not incorporated by reference.

All reports and other documents that the Registrant subsequently files with the Commission pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), after the date of this Registration Statement and prior to the filing of a post-effective amendment that indicates the Registrant has sold all of the securities offered under this Registration Statement or that deregisters the distribution of all such securities then remaining unsold, shall be deemed to be incorporated by reference in this Registration Statement and to be a part here