Metallus (MTUS) CFO delivers 5,198 shares to cover tax obligations

Rhea-AI Filing Summary

Metallus Inc. executive vice president and chief financial officer John M. Zaranec reported a tax-related share disposition. On June 16, 2026, 5,198 Common Shares were delivered at $20.00 per share to satisfy an exercise price or tax liability. Following this transaction, he directly owns 45,862 Common Shares of Metallus Inc.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Zaranec John M

Role EVP, Chief Financial Officer

Type	Security	Shares	Price	Value
Tax Withholding	Common Shares	5,198	$20.00	$104K

Holdings After Transaction: Common Shares — 45,862 shares (Direct, null)

Footnotes (1)

Key Figures

Shares delivered for tax withholding: 5,198 shares Transaction price per share: $20.00 per share Shares owned after transaction: 45,862 shares +1 more

4 metrics

Shares delivered for tax withholding 5,198 shares Tax-withholding disposition on June 16, 2026

Transaction price per share $20.00 per share Value used for 5,198-share tax-withholding disposition

Shares owned after transaction 45,862 shares Direct Common Share holdings following the Form 4 transaction

Tax-withholding transactions count 1 transaction Single tax-withholding disposition reported in transaction summary

Key Terms

tax-withholding disposition, Payment of exercise price or tax liability by delivering securities, Common Shares, Form 4

4 terms

tax-withholding disposition financial

"transaction_action: "tax-withholding disposition""

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

Payment of exercise price or tax liability by delivering securities financial

"transaction_code_description: "Payment of exercise price or tax liability by delivering securities""

Common Shares financial

"security_title: "Common Shares""

Common shares are the basic units of ownership in a company that give holders a claim on profits and a right to vote on key matters, like electing the board. Think of them as membership cards in a club: they let you share in successes and losses, but in a bankruptcy or liquidation they are paid after creditors and preferred shareholders, so their value can swing more and matters for assessing risk and potential return.

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.

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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^*

Zaranec John M

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/16/2026

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 Shares	06/16/2026		F		5,198	D	$20	45,862	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	06/17/2026
	** 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 Metallus (MTUS) report for John M. Zaranec?

Metallus reported that EVP and CFO John M. Zaranec had 5,198 Common Shares delivered on June 16, 2026 at $20.00 per share. The transaction was a tax-withholding disposition to cover an exercise price or tax liability.

Was the Metallus (MTUS) CFO’s Form 4 transaction an open-market sale?

No. The Form 4 codes the transaction as a tax-withholding disposition, described as payment of an exercise price or tax liability by delivering securities. This indicates shares were used to satisfy obligations rather than sold in the open market.

How many Metallus (MTUS) shares does the CFO hold after this Form 4?

After the June 16, 2026 tax-withholding disposition, EVP and CFO John M. Zaranec directly holds 45,862 Metallus Common Shares. This figure reflects his direct ownership position immediately following the reported transaction on the Form 4.

What price per share was used in the Metallus (MTUS) CFO’s tax-withholding transaction?

The transaction used a price of $20.00 per Common Share for the 5,198 shares delivered. This per-share value is shown in the Form 4 as the transaction price associated with the tax-withholding disposition on June 16, 2026.

What does the transaction code “F” mean on the Metallus (MTUS) Form 4?

Transaction code “F” on the Form 4 indicates a tax-withholding disposition. It is defined as payment of an exercise price or tax liability by delivering securities, rather than a discretionary open-market purchase or sale by the insider.

How many shares were involved in the Metallus (MTUS) tax-withholding entry?

The Form 4 shows 5,198 Metallus Common Shares involved in the tax-withholding disposition. These shares were delivered at $20.00 per share to satisfy an exercise price or tax obligation, as reflected by the transaction code and description.