# EDGAR Filing Document

**Accession Number:** 0001598428
**File Stem:** 0001193125-26-102566
**Filing Date:** 2026-3
**Character Count:** 1251
**Document Hash:** 603725cee4510ec233d5b183405b7a64
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-102566.hdr.sgml**: 20260312

**ACCESSION NUMBER**: 0001193125-26-102566

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260312

**DATE AS OF CHANGE**: 20260311

**EFFECTIVENESS DATE**: 20260312

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Metallus Inc.
- **CENTRAL INDEX KEY:** 0001598428
- **STANDARD INDUSTRIAL CLASSIFICATION:** STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 464024951
- **STATE OF INCORPORATION:** OH
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36313
- **FILM NUMBER:** 26744813

**BUSINESS ADDRESS:**
- **STREET 1:** 1835 DUEBER AVENUE SW
- **CITY:** CANTON
- **STATE:** OH
- **ZIP:** 44706-0928
- **BUSINESS PHONE:** 330-471-7000

**MAIL ADDRESS:**
- **STREET 1:** 1835 DUEBER AVENUE SW
- **CITY:** CANTON
- **STATE:** OH
- **ZIP:** 44706-0928

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** TimkenSteel Corp
- **DATE OF NAME CHANGE:** 20140128

### Attached PDF Documents

**Attachment 1:** `d68825dars.pdf`

_No text found in this document._