# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0001193125-25-269669
Filing Date
2025-11-06
Accepted
2025-11-06 16:25:40
Documents
77
Period of Report
2025-09-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | mtus-20250930.htm iXBRL | 10-Q | 2899852
2 | EX-31.1 | mtus-ex31_1.htm | EX-31.1 | 18483
3 | EX-31.2 | mtus-ex31_2.htm | EX-31.2 | 18441
4 | EX-32.1 | mtus-ex32_1.htm | EX-32.1 | 12761
5 | GRAPHIC | img21853423_0.jpg | GRAPHIC | 680956
6 | GRAPHIC | img21853423_1.jpg | GRAPHIC | 123430
7 | GRAPHIC | img21853423_2.jpg | GRAPHIC | 141054
8 | GRAPHIC | img21853423_3.jpg | GRAPHIC | 135768
9 | GRAPHIC | img21853423_4.jpg | GRAPHIC | 128774
10 | GRAPHIC | img21853423_5.jpg | GRAPHIC | 395625
11 | GRAPHIC | img21853423_6.jpg | GRAPHIC | 407469
12 | GRAPHIC | img21853423_7.jpg | GRAPHIC | 184569
13 | GRAPHIC | img21853423_8.jpg | GRAPHIC | 187647
| Complete submission text file | 0001193125-25-269669.txt |  | 15021818

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
14 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | mtus-20250930.xsd | EX-101.SCH | 840317
80 | EXTRACTED XBRL INSTANCE DOCUMENT | mtus-20250930_htm.xml | XML | 1949086

Mailing Address 1835 DUEBER AVENUE SW CANTON OH 44706-0928
Business Address 1835 DUEBER AVENUE SW CANTON OH 44706-0928 330-471-7000
Metallus Inc. (Filer) CIK: 0001598428 (see all company filings)

EIN.: 464024951 | State of Incorp.: OH | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 001-36313 | Film No.: 251458792
SIC: 3312 Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
(CF Office: 04 Manufacturing)