Metallus (MTUS) officer exercises 8,200 options under 10b5-1 plan

Rhea-AI Filing Summary

Metallus Inc. executive vice president and chief commercial officer reported an option exercise and share acquisition. On 01/02/2026, the officer exercised a nonqualified stock option with a $7.46 exercise price, acquiring 8,200 common shares. Following this transaction, the officer beneficially owns 113,355 common shares directly and 1,805 common shares indirectly through a 401(k) plan.

The exercised option, which is now fully exhausted with 0 derivative securities remaining, had vested in four equal annual installments beginning February 17, 2017 and was scheduled to expire on February 17, 2026. All transactions reported were made under a pre-established Rule 10b5-1 trading plan adopted on May 23, 2025.

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).

X

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^*

Raketich Kevin A

(Last) (First) (Middle)

1835 DUEBER AVE. SW

(Street)

CANTON OH 44706

(City) (State) (Zip)

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

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Commercial Officer

3. Date of Earliest Transaction (Month/Day/Year)
01/02/2026

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 Shares	01/02/2026		M		8,200	A	$7.46	113,355	D
Common Shares								1,805	I	by 401(k) plan

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
Nonqualified Stock Option (Right to buy)	$7.46	01/02/2026		M			8,200	(1)	02/17/2026	Common Shares	8,200	$0	0	D

Explanation of Responses:

1. Vested in four equal annual installments beginning February 17, 2017.

Remarks:

The reporting person adopted a written plan for the sale of the Company's common shares intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5-1(c) on May 23, 2025. All transactions reported herein were made pursuant to that plan.

	/s/ Kristine C. Syrvalin, as Attorney-in-Fact	01/05/2026
	** 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.

FAQ

What insider transaction did Metallus Inc. (MTUS) disclose in this filing?

An executive vice president and chief commercial officer exercised a nonqualified stock option and acquired 8,200 Metallus Inc. common shares on 01/02/2026.

At what price were the Metallus Inc. (MTUS) stock options exercised?

The nonqualified stock option was exercised at a conversion or exercise price of $7.46 per share for 8,200 common shares.

How many Metallus Inc. (MTUS) shares does the reporting person own after the transaction?

After the transaction, the reporting person beneficially owns 113,355 common shares directly and 1,805 common shares indirectly through a 401(k) plan.

What happened to the Metallus Inc. (MTUS) stock options after this exercise?

The nonqualified stock option covering 8,200 common shares, expiring on February 17, 2026, was fully exercised, leaving 0 derivative securities beneficially owned.

Was the Metallus Inc. (MTUS) insider trade made under a Rule 10b5-1 plan?

Yes. The reporting person adopted a written plan intended to satisfy the affirmative defense conditions of Exchange Act Rule 10b5-1(c) on May 23, 2025, and all transactions reported were made under that plan.

What is the relationship of the reporting person to Metallus Inc. (MTUS)?

The reporting person is an officer of Metallus Inc., serving as EVP, Chief Commercial Officer.