Dennis J. Martin - May 14, 2021 Form 4 Insider Report for FEDERAL SIGNAL CORP /DE/ (FSS)

Role: Director
Signature: Daniel A. DuPre, attorney-in-fact for Dennis J. Martin
Stock symbol: FSS
Transactions as of: May 14, 2021
Transactions value $: -$2,213,426
Form type: 4
Date filed: 5/18/2021, 11:58 AM
Next filing: Nov 10, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	FSS	Common Stock	Options Exercise	$1.21M	+144K	+37.35%	$8.40	531K	May 14, 2021	Direct	F1
transaction	FSS	Common Stock	Tax liability	-$3.43M	-79.9K	-15.04%	$42.88	451K	May 14, 2021	Direct	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)	Options Exercise	$0	+144K		$0.00^*	0	May 14, 2021	Common Stock	144K	$8.40	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Some shares are subject to restrictions and forfeiture under Company Stock Benefit Plan.
F2	This amount represents the total amount of shares withheld to cover payment of the exercise price and applicable tax withholding.
F3	The option was granted on 05/09/2013 and vested in three equal annual installments. The option became fully vested and exercisable as of 05/09/2016.