Federal Signal (FSS) director receives stock grant, boosting holdings

Rhea-AI Filing Summary

Federal Signal Corp director John L. Workman received a stock grant, increasing his direct holdings. On April 21, 2026, he acquired 1,277 shares of Federal Signal common stock in a grant, award, or other acquisition at no stated purchase price. After this award, he directly owns 58,734 common shares, reflecting a routine compensation-related equity grant rather than an open-market transaction.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Workman John L

Role null

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	1,277	$0.00	--

Holdings After Transaction: Common Stock — 58,734 shares (Direct, null)

Footnotes (1)

Key Figures

Shares granted: 1,277 shares Price per share: $0.00 per share Holdings after transaction: 58,734 shares

3 metrics

Shares granted 1,277 shares Common Stock grant on April 21, 2026

Price per share $0.00 per share Grant, award, or other acquisition

Holdings after transaction 58,734 shares Total direct common stock holdings after grant

Key Terms

Grant, award, or other acquisition, Common Stock, Form 4

3 terms

Grant, award, or other acquisition financial

"transaction_code_description: "Grant, award, or other acquisition""

Common Stock financial

"security_title: "Common Stock" for the reported transaction"

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.

Form 4 Insider Transactions: What Each Field Means →

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^*

Workman John L

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
04/21/2026

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	04/21/2026		A		1,277	A	$0	58,734	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

Explanation of Responses:

Remarks:

	Diane I. Bonina, attorney-in-fact for John L. Workman	04/23/2026
	** 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)

FAQ

What insider transaction did Federal Signal (FSS) report for John L. Workman?

Federal Signal reported that director John L. Workman received a grant of 1,277 shares of common stock. The shares were acquired at no stated purchase price as a compensation-related award, rather than through an open-market trade.

How many Federal Signal (FSS) shares does John L. Workman hold after this Form 4?

After the reported transaction, John L. Workman directly holds 58,734 shares of Federal Signal common stock. This total reflects his new position following the 1,277-share grant reported as a compensation-related acquisition on the Form 4.

Was the Federal Signal (FSS) Form 4 transaction a stock purchase or a grant?

The Form 4 shows a stock grant, not a market purchase. The transaction is coded “A” for grant, award, or other acquisition, indicating compensation-related shares rather than shares bought in the open market at a cash price.

What does transaction code "A" mean in the Federal Signal (FSS) Form 4 filing?

Transaction code “A” in this filing stands for a grant, award, or other acquisition of shares. For John L. Workman, it reflects 1,277 Federal Signal common shares received as a stock award, with no per-share purchase price reported.

Is the insider transaction in Federal Signal (FSS) shares a buy or sell signal?

The transaction is categorized as an acquisition via stock grant, not a buy or sell in the market. It represents routine equity compensation for director John L. Workman, adding 1,277 shares to his direct holdings in Federal Signal.