Metallus officer proposes $106K stock sale

The 5,000 shares are listed as two restricted-stock vest lots: 1,662 shares dated March 2, 2023, and 3,338 dated February 11, 2026.

Rhea-AI Filing Summary

Metallus Inc. officer Kristine Syrvalin reported an intended sale of 5,000 common shares, with an aggregate market value of $105,600.78 and an approximate sale date of October 5, 2026. The shares listed for sale are identified as 1,662 shares from a restricted stock vest on March 2, 2023, and 3,338 shares from a restricted stock vest on February 11, 2026. Merrill Lynch is listed in the sale information.

Key Figures

Common shares listed for sale: 5,000 shares Aggregate market value: $105,600.78 Shares outstanding: 41,449,284 shares +2 more

5 metrics

Common shares listed for sale 5,000 shares Approximate sale date: October 5, 2026

Aggregate market value $105,600.78 Shares listed for sale

Shares outstanding 41,449,284 shares Reported in the securities information

Shares from restricted stock vest 1,662 shares March 2, 2023

Shares from restricted stock vest 3,338 shares February 11, 2026

Key Terms

Rule 144, Restricted Stock Vest

2 terms

Rule 144 regulatory

"paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Vest financial

"Restricted Stock Vest"

A restricted stock vest is the moment when shares granted to an employee or executive under conditions (like staying at the company or hitting targets) officially become theirs to keep or sell. Think of it as a timed gift that unlocks only after certain rules are met. Investors watch vesting because it can change who controls shares, create potential selling pressure when large blocks unlock, and reveal how management’s incentives are aligned with company performance.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many MTUS shares did Kristine Syrvalin report intending to sell?

Kristine Syrvalin, identified as an officer, listed 5,000 Metallus common shares for sale at an aggregate market value of $105,600.78, with an approximate sale date of October 5, 2026. Merrill Lynch is listed in the sale information.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/05/2026 - 05:03 PM Accepted by SEC EDGAR 10/05/2026 - 05:03 PM Learn about SEC filing dates

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	0001232579
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Metallus Inc.
SEC File Number	001-36313
Address of Issuer	1835 DUEBER AVENUE SW CANTON OHIO 44706
Phone	330-471-7000
Name of Person for Whose Account the Securities are To Be Sold	Kristine Syrvalin
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	Officer

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	5000	105600.78	41449284	10/05/2026	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	03/02/2023	Restricted Stock Vest	METALLUS INC.			1662	03/02/2023	NA
Common	02/11/2026	Restricted Stock Vest	METALLUS INC.			3338	02/11/2026	NA

* 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	10/05/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/19/2026
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	Kristine Syrvalin
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)