Diane Bonina - May 2, 2025 Form 4 Insider Report for FEDERAL SIGNAL CORP /DE/ (FSS)

Signature
Diane I. Bonina
Stock symbol
FSS
Transactions as of
May 2, 2025
Transactions value $
$308,917
Form type
4
Date filed
5/6/2025, 05:59 PM
Previous filing
Mar 20, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Bonina Diane VP, Gen'l Counsel & Secretary 1333 BUTTERFIELD ROAD, SUITE 500, DOWNERS GROVE Diane I. Bonina 2025-05-06 0001923233

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FSS Common Stock Award $0 +1.73K +11.83% $0.00 16.4K May 2, 2025 Direct F1
transaction FSS Common Stock Tax liability -$114K -1.32K -8.03% $86.58 15.1K May 5, 2025 Direct
holding FSS Common Stock 664 May 2, 2025 held by 401(k) plan F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction FSS Stock Option (right to buy) Award $423K +4.88K $86.58 4.88K May 2, 2025 Common Stock 4.88K $86.58 Direct F3
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 This represents a restricted stock award. All 1,733 shares vest on 05/02/2028.
F2 Units held in the Issuer 401(k) plan, which are convertible into Issuer common stock, were adjusted from 662.6904 to 663.6356 based on the Issuer price per share of $86.58 on 05/02/2025.
F3 Options become exercisable as to 1,628 shares on 05/02/2026, 1,627 shares on 05/02/2027 and the remaining 1,628 shares on 05/02/2028.