Metallus director acquires 1,448 deferred pay units

The phantom shares are payable in cash and/or common shares when Garcia’s Board service ends, under his deferral election.

Rhea-AI Filing Summary

Metallus Inc. director Ken V. Garcia acquired 1,448 phantom shares on September 30, 2026; the transaction lists $18.99 per share, and his direct phantom-share position afterward was 29,224. Each phantom share equals one common share. The deferred compensation is payable in cash and/or common shares upon termination of his Board service, as elected when he chose to defer compensation under the Metallus Inc. Director Deferred Compensation Plan.

Insider Trade Summary

Grant/Award: 1,448 shares

Grant/Award 1 txn

Insider Garcia Ken V

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Phantom Shares F1, F2	1,448	$18.99	$27K

Holdings After Transaction: Phantom Shares — 29,224 contracts (Direct)

Footnotes (2)

1. F1. Each phantom share is the equivalent of one Issuer common share.
2. F2. Phantom shares are payable in cash and/or common shares upon termination of the Reporting Person's service on the Board of Directors, as elected by the Reporting Person at the time he elected to defer compensation under the Metallus Inc. Director Deferred Compensation Plan.

Key Figures

Phantom shares acquired: 1,448 shares Reported price per phantom share: $18.99 per share Direct phantom shares following transaction: 29,224 shares +1 more

4 metrics

Phantom shares acquired 1,448 shares September 30, 2026

Reported price per phantom share $18.99 per share September 30, 2026 transaction

Direct phantom shares following transaction 29,224 shares After the September 30, 2026 transaction

Common-share equivalence 1 common share per phantom share Each phantom share

Key Terms

Phantom Shares, Director Deferred Compensation Plan, defer compensation

3 terms

Phantom Shares financial

"Each phantom share is the equivalent of one Issuer common share."

Phantom shares are a form of employee or executive compensation that mimics the economic value of owning company stock without actually issuing real shares; holders receive cash or equivalent payments tied to the company’s share price or dividends. Think of it like a receipt that pays out if the stock rises — it aligns managers’ interests with shareholders but does not dilute ownership, while creating a future cash obligation that investors should watch as it can affect company cash flow and valuation.

Director Deferred Compensation Plan financial

"under the Metallus Inc. Director Deferred Compensation Plan"

defer compensation financial

"at the time he elected to defer compensation"

FAQ

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

How many phantom shares did MTUS director Ken V. Garcia acquire?

Ken V. Garcia acquired 1,448 phantom shares on September 30, 2026, and his direct phantom-share position afterward was 29,224. The transaction lists a price of $18.99 per share.

How are MTUS phantom shares payable?

The phantom shares are payable in cash and/or common shares upon termination of Ken V. Garcia’s service on the Board of Directors, as elected when he chose to defer compensation.

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

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Available on EDGAR 10/01/2026 - 05:00 PM Accepted by SEC EDGAR 10/01/2026 - 05:00 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^*

Garcia Ken V

(Last) (First) (Middle)

1835 DUEBER AVE. SW

(Street)

CANTON OHIO 44706

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Metallus Inc. [ MTUS ]

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)
09/30/2026

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

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
Phantom Shares	(1)	09/30/2026		A		1,448		(2)	(2)	Common Shares	1,448	$18.99	29,224	D

Explanation of Responses:

1. Each phantom share is the equivalent of one Issuer common share.

2. Phantom shares are payable in cash and/or common shares upon termination of the Reporting Person's service on the Board of Directors, as elected by the Reporting Person at the time he elected to defer compensation under the Metallus Inc. Director Deferred Compensation Plan.

	/s/ Kristine C. Syrvalin, as Attorney-in-Fact	10/01/2026
	** 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)