(FSS)

Role: Director
Signature: Diane I. Bonina, attorney-in-fact for Richard A. Maue
Issuer symbol: FSS
Transactions as of: 10 Mar 2026
Net transactions value: +$221,532
Form type: 4
Filing time: 10 Mar 2026, 16:11:08 UTC
Previous filing: 06 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Maue Richard A	Director	1333 BUTTERFIELD ROAD, SUITE 500, DOWNERS GROVE	Diane I. Bonina, attorney-in-fact for Richard A. Maue	10 Mar 2026	0001331850

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FSS	Common Stock	Purchase	$221,532	+2,000		$110.77	2,000	10 Mar 2026	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction was executed in multiple trades at prices ranging from $110.61 to $110.78; the price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request to the SEC, Federal Signal Corporation, or a security holder of Federal Signal Corporation.

Content

This transaction was executed in multiple trades at prices ranging from $110.61 to $110.78; the price reported above reflects the weighted average purchase price. The reporting person hereby undertakes to provide full information regarding the number of shares and prices at which the transactions were effected upon request to the SEC, Federal Signal Corporation, or a security holder of Federal Signal Corporation.