Metallus (NYSE: MTUS) CEO granted 78,100 shares; some withheld for tax

Rhea-AI Filing Summary

Metallus Inc. director and Chief Executive Officer Michael S. Williams reported two equity-related transactions in common shares. He received a grant of 78,100 restricted stock units that vest in full on March 2, 2029, bringing his reported direct holdings to 734,858 shares after this award. A separate transaction reported the disposition of 29,124 shares at $17.00 per share to satisfy tax obligations by delivering shares, leaving 656,758 shares directly owned after that tax-withholding event.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Williams Michael S

Role Chief Executive Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Shares	78,100	$0.00	--
Tax Withholding	Common Shares	29,124	$17.00	$495K

Holdings After Transaction: Common Shares — 734,858 shares (Direct)

Footnotes (1)

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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^*

Williams Michael S

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/01/2026

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	03/01/2026		F		29,124	D	$17	656,758	D
Common Shares	03/02/2026		A		78,100(1)	A	$0	734,858	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:

1. The reported transaction is an award of restricted stock units which will vest in full on March 2, 2029, subject to the terms of the grant agreement.

	/s/ Kristine C. Syrvalin, as Attorney-in-Fact	03/02/2026
	** 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 transactions did Metallus (MTUS) report on this Form 4?

The Form 4 reports Metallus CEO Michael S. Williams receiving 78,100 restricted stock units and a separate tax-withholding share disposition of 29,124 common shares at $17.00 per share, both involving directly owned common shares.

How many Metallus (MTUS) shares were granted to the CEO in this filing?

Michael S. Williams received an award of 78,100 restricted stock units. According to the disclosure, these units represent common shares that will vest in full on March 2, 2029, subject to the terms and conditions of the underlying grant agreement.

When do the Metallus (MTUS) restricted stock units granted to the CEO vest?

The 78,100 restricted stock units granted to Metallus CEO Michael S. Williams vest in full on March 2, 2029. Vesting remains subject to the terms outlined in the applicable grant agreement governing this equity award and any related conditions.

What is the 29,124-share Metallus (MTUS) transaction at $17.00 reported on the Form 4?

The 29,124-share transaction at $17.00 per share is a tax-withholding disposition. Shares were delivered to cover exercise price or tax liabilities, meaning it is not classified as an open-market sale but as satisfaction of obligations using shares.

How many Metallus (MTUS) shares does the CEO own after these Form 4 transactions?

After the restricted stock unit grant, Michael S. Williams is reported holding 734,858 common shares directly. After the separate tax-withholding disposition, his direct ownership is listed as 656,758 common shares, reflecting share delivery to satisfy tax-related obligations.

Is the Metallus (MTUS) CEO’s share award in this Form 4 a cash purchase?

No, the CEO’s reported acquisition of 78,100 common shares is a grant of restricted stock units with a zero-dollar price per share, indicating an equity award rather than a cash purchase on the open market.