Metallus Inc. (MTUS) CAO gets 3,032 shares, 1,536 withheld

Rhea-AI Filing Summary

Metallus Inc.’s Chief Accounting Officer, Nicholas A. Yacobozzi, reported equity compensation and related tax withholding. On February 11, 2026, he acquired 3,032 shares of Metallus common stock at $0 per share as a grant or award.

On the same date, 1,536 shares were disposed of at $21.51 per share to cover tax obligations through share delivery. After these transactions, he directly owned 50,385 shares of Metallus common stock.

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

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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^*

Yacobozzi Nicholas 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)
	Chief Accounting Officer

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 Stock	02/11/2026		A		3,032	A	$0	51,921	D
Common Stock	02/11/2026		F		1,536	D	$21.51	50,385	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 activity did Metallus Inc. (MTUS) report for Nicholas A. Yacobozzi?

Metallus Inc. reported that Chief Accounting Officer Nicholas A. Yacobozzi received a grant of 3,032 common shares and had 1,536 shares withheld to cover taxes. Following these transactions, he directly owned 50,385 shares of Metallus common stock.

How many Metallus Inc. (MTUS) shares did the CAO acquire on this Form 4?

Nicholas A. Yacobozzi acquired 3,032 Metallus common shares as a grant at $0 per share. This transaction is coded as an acquisition of securities, reflecting equity compensation rather than an open-market purchase of stock.

Why were 1,536 Metallus Inc. (MTUS) shares disposed of in the Form 4?

The Form 4 shows 1,536 Metallus common shares disposed of at $21.51 per share under transaction code F. This code indicates shares were delivered to pay an exercise price or satisfy tax withholding obligations, not a traditional open-market sale.

What is Nicholas A. Yacobozzi’s Metallus Inc. (MTUS) share ownership after the reported transactions?

After the February 11, 2026 transactions, Nicholas A. Yacobozzi directly owned 50,385 Metallus common shares. This figure reflects the net result of the 3,032-share grant and the 1,536-share tax-withholding disposition reported in the filing.

What role does Nicholas A. Yacobozzi hold at Metallus Inc. (MTUS)?

Nicholas A. Yacobozzi serves as Chief Accounting Officer at Metallus Inc. His Form 4 filing reflects transactions in company common stock tied to his role, including a stock grant and a tax-related share disposition on February 11, 2026.

Were the Metallus Inc. (MTUS) insider transactions direct or indirect holdings?

Both reported transactions involve direct holdings of Metallus common stock. The Form 4 classifies the ownership type as direct, meaning the shares are held in Nicholas A. Yacobozzi’s own name rather than through an intermediary entity or related account.