Metallus (MTUS) President & COO reports share grant and tax withholding

Rhea-AI Filing Summary

Metallus Inc.'s President & COO Kristopher R. Westbrooks reported equity award activity in company stock. He acquired 7,563 common shares on February 11, 2026 as a grant at $0 per share, reflecting a stock-based compensation award. On the same date, 3,455 common shares were disposed of at $21.51 per share to cover taxes through share withholding. After these transactions, he directly owned 193,184 common shares of Metallus Inc.

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

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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^*

WESTBROOKS KRISTOPHER R

(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)
	President & COO

3. Date of Earliest Transaction (Month/Day/Year)
02/11/2026

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	02/11/2026		A		7,563	A	$0	196,639	D
Common Shares	02/11/2026		F		3,455	D	$21.51	193,184	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:

	/s/ Kristine C. Syrvalin, as Attorney-in-Fact	02/12/2026
	** 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) report for Kristopher R. Westbrooks?

Metallus Inc. reported that President & COO Kristopher R. Westbrooks received a grant of 7,563 common shares. The same Form 4 also shows a related tax-withholding share disposition, reflecting routine stock-based compensation activity for the senior executive.

How many Metallus Inc. (MTUS) shares did Kristopher R. Westbrooks acquire in the latest Form 4?

Kristopher R. Westbrooks acquired 7,563 Metallus Inc. common shares. The shares were granted at $0 per share as an equity award, increasing his direct holdings before a separate tax-withholding disposition reduced the total.

What was the tax-withholding share disposition reported for Metallus Inc. (MTUS) executive Westbrooks?

The filing shows 3,455 Metallus Inc. common shares were disposed of at $21.51 per share. This transaction was coded as a tax-withholding disposition to satisfy tax obligations tied to the equity grant reported the same day.

What is Kristopher R. Westbrooks’ Metallus Inc. (MTUS) share ownership after the reported transactions?

After the reported Form 4 transactions, Kristopher R. Westbrooks directly owns 193,184 Metallus Inc. common shares. This figure reflects his position following both the stock grant and the separate tax-withholding share disposition on February 11, 2026.

Are the Metallus Inc. (MTUS) Form 4 transactions by Westbrooks routine compensation-related activity?

Yes, the Form 4 describes a grant of 7,563 common shares at $0 and a tax-withholding disposition of 3,455 shares at $21.51. These codes indicate typical executive equity compensation and related tax settlement rather than an open-market buy or sell.