FSS CFO awarded options, stock; shares withheld for tax

Federal Signal Corporation executive Ian A. Hudson reported equity awards and a related tax share disposition.

Rhea-AI Filing Summary

Federal Signal Corporation executive Ian A. Hudson reported equity awards and a related tax share disposition. On 02/27/2026, he received a grant of 7,309 stock options at $116.43 per share, which become exercisable in three annual installments through 02/27/2029. He also received a restricted stock award of 2,416 common shares that fully vest on 02/27/2029.

On 02/26/2026, Hudson was granted 14,318 additional common shares and had 6,376 shares withheld and disposed of at $117.63 per share to satisfy tax obligations. After these transactions, his directly held common stock position was 95,904 shares.

Insider Trade Summary

4 transactions reported

Mixed 4 txns

Insider Hudson Ian A.

Role S.V.P. & CFO

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy)	7,309	$116.43	$851K
Grant/Award	Common Stock	2,416	$0.00	$0.00
Grant/Award	Common Stock	14,318	$0.00	$0.00
Exercise Price or Tax Liability	Common Stock	6,376	$117.63	$750K

Holdings After Transaction: Stock Option (right to buy) — 7,309 contracts (Direct); Common Stock — 98,320 shares (Direct)

Footnotes (2)

1. F1. This represents a restricted stock award. All 2,416 shares vest on 02/27/2029.
2. F2. Options become exercisable as to 2,436 shares on 02/27/2027, 2,437 shares on 02/27/2028 and the remaining 2,436 shares on 02/27/2029.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transactions did FSS executive Ian A. Hudson report on this Form 4?

Ian A. Hudson reported equity grants and a related tax share disposition. He received stock options and restricted stock awards, plus additional common shares, with some shares disposed of to cover tax withholding obligations associated with these awards.

How many stock options did FSS CFO Ian A. Hudson receive and at what price?

Ian A. Hudson received 7,309 stock options with an exercise price of $116.43 per share. These options vest in three tranches on future dates, giving him the right to buy Federal Signal common stock if exercised after vesting.

What are the vesting terms of the restricted stock awarded to FSS’s Ian A. Hudson?

Hudson received a restricted stock award of 2,416 Federal Signal common shares. According to the filing, all 2,416 shares vest on 02/27/2029, meaning he must remain eligible through that date for full ownership of these shares.

Why did Ian A. Hudson dispose of 6,376 Federal Signal shares in this filing?

The 6,376-share disposition is coded as a tax-withholding transaction. Shares were delivered and disposed of at $117.63 per share to satisfy tax liabilities tied to his equity awards, not as an open-market sale for investment purposes.

How many Federal Signal common shares does Ian A. Hudson own after these transactions?

After the reported equity grants and tax withholding disposition, Ian A. Hudson directly held 95,904 Federal Signal common shares. This post-transaction balance reflects all acquisitions and the tax-related share disposition disclosed in the Form 4.

When do Ian A. Hudson’s newly granted Federal Signal stock options become exercisable?

The options become exercisable in three equal installments. They vest as to 2,436 shares on 02/27/2027, 2,437 shares on 02/27/2028, and the remaining 2,436 shares on 02/27/2029, subject to continued eligibility.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/02/2026 - 07:12 PM Learn about SEC filing dates

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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Hudson Ian A.

(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)
	S.V.P. & CFO

3. Date of Earliest Transaction (Month/Day/Year)
02/26/2026

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	02/26/2026		A		14,318	A	$0	102,280	D
Common Stock	02/26/2026		F		6,376	D	$117.63	95,904	D
Common Stock	02/27/2026		A		2,416(1)	A	$0	98,320	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		7,309		(2)	02/27/2036	Common Stock	7,309	$116.43	7,309	D

Explanation of Responses:

1. This represents a restricted stock award. All 2,416 shares vest on 02/27/2029.

2. Options become exercisable as to 2,436 shares on 02/27/2027, 2,437 shares on 02/27/2028 and the remaining 2,436 shares on 02/27/2029.

Remarks:

	Diane I. Bonina, attorney-in-fact for Ian A. Hudson	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.