Metallus Inc. — Director's Dealing 2026

Mar 3, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Metallus Inc. (MTUS)
CIK: 0001598428
Period of Report: 2026-03-01

Reporting Person: SYRVALIN KRISTINE C (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-03-01	Common Shares	F	7270	$17	Disposed	85978	Direct
2026-03-02	Common Shares	A	20100	—	Acquired	106078	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares	5112	Indirect

Footnotes

F1: 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.