[144] Metallus Inc. SEC Filing

Rhea-AI Filing Summary

A security holder of Metallus Inc. has filed a notice of proposed sale under Rule 144 covering 10,932 shares of common stock, with an aggregate market value of $219,254.38. The shares are planned to be sold through Merrill Lynch on the NYSE around 01/14/2026, and the filing notes 42,023,268 shares outstanding for context.

The shares to be sold were acquired from Metallus Inc. through compensatory arrangements: 4,000 shares from a restricted stock vest on 02/06/2024, and 5,172 and 1,760 shares from stock option exercises dated 03/01/2019 and 09/24/2018, with payments dated 02/06/2024 and 01/14/2026. The signer represents that they do not know of undisclosed material adverse information about Metallus Inc.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Merrill Lynch 8890 Lyra Drive 5th Floor Columbus OH 43240	10932	219254.38	42023268	01/14/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/06/2024	Restricted Stock Vest	METALLUS INC.			4000	02/06/2024	COMPENSATORY PAYMENT
Common	03/01/2019	Stock Option Exercise	METALLUS INC.			5172	01/14/2026	COMPENSATORY PAYMENT
Common	09/24/2018	Stock Option Exercise	METALLUS INC.			1760	01/14/2026	COMPENSATORY PAYMENT

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)