Diane I. Bonina - 26 Feb 2026 Form 4 Insider Report for FEDERAL SIGNAL CORP /DE/ (FSS)

Role
VP, Gen'l Counsel & Secretary
Signature
Diane I. Bonina
Issuer symbol
FSS
Transactions as of
26 Feb 2026
Net transactions value
+$54,452
Form type
4
Filing time
02 Mar 2026, 19:15:11 UTC
Previous filing
06 May 2025
SEC
View on sec.gov

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 02 Mar 2026 0001923233

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction FSS Common Stock Award $0 +8,316 +55% $0.000000 23,381 26 Feb 2026 Direct
transaction FSS Common Stock Tax liability $437,348 -3,718 -16% $117.63 19,663 26 Feb 2026 Direct
transaction FSS Common Stock Award $0 +1,396 +7.1% $0.000000 21,059 27 Feb 2026 Direct F1
holding FSS Common Stock 665 26 Feb 2026 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 $491,800 +4,224 $116.43 4,224 27 Feb 2026 Common Stock 4,224 $116.43 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 1,396 shares vest on 02/27/2029.
F2 Units held in the Issuer 401(k) plan, which are convertible into Issuer common stock, were adjusted from 663.6356 to 664.5692 based on the Issuer price per share of $117.63 on 02/26/2026.
F3 Options become exercisable as to 1,408 shares on 02/27/2027, 1,408 shares on 02/27/2028 and the remaining 1,408 shares on 02/27/2029.