Federal Signal (FSS) VP awarded 1,787 options and 590 shares

Rhea-AI Filing Summary

Federal Signal Corp. reported that VP of Strategy and Investor Relations Felix Boeschen received new equity awards. He was granted 1,787 stock options at an exercise price of $116.43 per share and a restricted stock award of 590 common shares.

All 590 restricted shares vest on 02/27/2029. The options become exercisable in three tranches: 596 shares on 02/27/2027, 595 shares on 02/27/2028, and 596 shares on 02/27/2029. Following these grants, Boeschen directly owns 1,726 common shares and 1,787 options.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Boeschen Felix

(Last) (First) (Middle)

1333 BUTTERFIELD ROAD

SUITE 500

(Street)

DOWNERS GROVE IL 60515

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FEDERAL SIGNAL CORP /DE/ [ FSS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP Strategy/Investor Relations

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/27/2026		A		590(1)	A	$0	1,726	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	$116.43	02/27/2026		A		1,787		(2)	02/27/2036	Common Stock	1,787	$116.43	1,787	D

Explanation of Responses:

1. This represents a restricted stock award. All 590 shares vest on 02/27/2029.

2. Options become exercisable as to 596 shares on 02/27/2027, 595 shares on 02/27/2028 and the remaining 596 shares on 02/27/2029.

Remarks:

	Diane I. Bonina, attorney-in-fact for Felix Boeschen	03/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did Federal Signal (FSS) report for Felix Boeschen?

Federal Signal reported that Felix Boeschen received a grant of 1,787 stock options and 590 restricted common shares. These equity awards increase his direct holdings and are structured with multi-year vesting and exercisability schedules extending through February 2029.

How many stock options were granted to Felix Boeschen at Federal Signal (FSS)?

Felix Boeschen was granted 1,787 stock options, each with an exercise price of $116.43 per share. These options vest in three annual tranches, beginning in 2027 and continuing through 2029, giving him the right to buy shares at that fixed price.

What are the vesting terms for Felix Boeschen’s restricted stock at Federal Signal (FSS)?

Boeschen received a restricted stock award of 590 common shares. According to the disclosure, all 590 restricted shares vest on February 27, 2029, meaning he will fully earn these shares on that single future vesting date.

When do Felix Boeschen’s new stock options at Federal Signal (FSS) become exercisable?

The options become exercisable in three stages: 596 shares on February 27, 2027, 595 shares on February 27, 2028, and the remaining 596 shares on February 27, 2029. Each tranche can be exercised once the respective date is reached.

What are Felix Boeschen’s Federal Signal (FSS) holdings after these transactions?

After the reported grants, Felix Boeschen directly holds 1,726 shares of Federal Signal common stock and 1,787 stock options. The common shares include the newly awarded restricted stock, which vests in 2029, while the options vest between 2027 and 2029.

Did Felix Boeschen pay anything for the new Federal Signal (FSS) restricted shares?

The filing shows 590 common shares acquired at a price of $0.0000 per share, indicating they were granted as a restricted stock award rather than purchased on the open market. These shares are subject to vesting on February 27, 2029.