Federal Signal CFO covers taxes with 1,657 shares

Q: What did Federal Signal (FSS) CFO Ian A. Hudson report in this Form 4?

Ian A. Hudson reported a tax-withholding disposition of 1,657 shares of Federal Signal common stock. The shares were delivered to satisfy tax obligations, rather than being sold on the open market, and were valued at $117.49 per share.

Q: Was the Federal Signal (FSS) CFO’s Form 4 transaction an open-market sale?

No, the transaction was coded “F”, described as payment of tax liability by delivering securities. This means 1,657 shares were withheld for taxes, not sold on the open market, and therefore carry limited informational value about his market view.

Q: How many Federal Signal (FSS) shares did the CFO dispose of for taxes?

The CFO disposed of 1,657 shares of Federal Signal common stock through a tax-withholding transaction. These shares were valued at $117.49 per share and were delivered to cover tax liabilities associated with equity compensation, rather than through a market trade.

Q: How many Federal Signal (FSS) shares does the CFO hold after this transaction?

After the tax-withholding disposition of 1,657 shares, the CFO directly holds 96,663 shares of Federal Signal common stock. This indicates the withheld amount is relatively small compared with his remaining reported direct ownership position in the company.

Q: What does transaction code “F” mean in the Federal Signal (FSS) Form 4?

Transaction code “F” represents a tax-withholding disposition, where shares are delivered to pay exercise price or tax liabilities. In this case, 1,657 shares of common stock were used to satisfy tax obligations at a reported value of $117.49 per share.

Federal Signal Corp. Senior Vice President and CFO Ian A. Hudson reported a routine share disposition related to taxes.

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Form Type

Rhea-AI Filing Summary

Federal Signal Corp. Senior Vice President and CFO Ian A. Hudson reported a routine share disposition related to taxes. On May 4, 2026, he had 1,657 shares of common stock withheld at $117.49 per share as a tax-withholding disposition, rather than an open-market sale.

Following this transaction, Hudson directly held 96,663 shares of Federal Signal common stock, indicating that the shares withheld for taxes represent a small portion of his overall reported holdings.

Insider Trade Summary

Exercise Price or Tax Liability: 1,657 shares

Exercise Price or Tax Liability 1 txn

Insider Hudson Ian A.

Role S.V.P. & CFO

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	1,657	$117.49	$195K

Holdings After Transaction: Common Stock — 96,663 shares (Direct)

Key Figures

Tax-withholding shares: 1,657 shares Per-share value: $117.49 per share Shares held after transaction: 96,663 shares +1 more

4 metrics

Tax-withholding shares 1,657 shares Common Stock withheld for taxes on May 4, 2026

Per-share value $117.49 per share Value used for tax-withholding disposition

Shares held after transaction 96,663 shares Direct common stock ownership following disposition

Tax-withholding count 1 transaction Tax-withholding dispositions in this Form 4

Key Terms

tax-withholding disposition, Common Stock, Form 4, transaction code "F"

4 terms

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Common Stock financial

"security_title: "Common Stock""

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

Form 4 regulatory

"INSIDER FILING DATA (Form 4)"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

transaction code "F" financial

"transaction_code: "F" with description of tax liability payment"

FAQ

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

What did Federal Signal (FSS) CFO Ian A. Hudson report in this Form 4?

Ian A. Hudson reported a tax-withholding disposition of 1,657 shares of Federal Signal common stock. The shares were delivered to satisfy tax obligations, rather than being sold on the open market, and were valued at $117.49 per share.

Was the Federal Signal (FSS) CFO’s Form 4 transaction an open-market sale?

No, the transaction was coded “F”, described as payment of tax liability by delivering securities. This means 1,657 shares were withheld for taxes, not sold on the open market, and therefore carry limited informational value about his market view.

How many Federal Signal (FSS) shares did the CFO dispose of for taxes?

The CFO disposed of 1,657 shares of Federal Signal common stock through a tax-withholding transaction. These shares were valued at $117.49 per share and were delivered to cover tax liabilities associated with equity compensation, rather than through a market trade.

How many Federal Signal (FSS) shares does the CFO hold after this transaction?

After the tax-withholding disposition of 1,657 shares, the CFO directly holds 96,663 shares of Federal Signal common stock. This indicates the withheld amount is relatively small compared with his remaining reported direct ownership position in the company.

What does transaction code “F” mean in the Federal Signal (FSS) Form 4?

Transaction code “F” represents a tax-withholding disposition, where shares are delivered to pay exercise price or tax liabilities. In this case, 1,657 shares of common stock were used to satisfy tax obligations at a reported value of $117.49 per share.

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

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Accepted by SEC EDGAR 05/05/2026 - 04:57 PM EDT

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

ILLINOIS

60515

(City)

(State)

(Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/04/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	05/04/2026		F		1,657	D	$117.49	96,663	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

Remarks:

	Diane I. Bonina, attorney-in-fact for Ian A. Hudson	05/05/2026
	** 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.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR