# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000950170-25-105098
Filing Date
2025-08-07
Accepted
2025-08-07 16:29:08
Documents
75
Period of Report
2025-06-30

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | mtus-20250630.htm iXBRL | 10-Q | 2740999
2 | EX-31.1 | mtus-ex31_1.htm | EX-31.1 | 18134
3 | EX-31.2 | mtus-ex31_2.htm | EX-31.2 | 18349
4 | EX-32.1 | mtus-ex32_1.htm | EX-32.1 | 12255
5 | GRAPHIC | img21850540_0.jpg | GRAPHIC | 680956
6 | GRAPHIC | img21850540_1.jpg | GRAPHIC | 118673
7 | GRAPHIC | img21850540_2.jpg | GRAPHIC | 136070
8 | GRAPHIC | img21850540_3.jpg | GRAPHIC | 143413
9 | GRAPHIC | img21850540_4.jpg | GRAPHIC | 124683
10 | GRAPHIC | img21850540_5.jpg | GRAPHIC | 366359
11 | GRAPHIC | img21850540_6.jpg | GRAPHIC | 352886
12 | GRAPHIC | img21850540_7.jpg | GRAPHIC | 187075
13 | GRAPHIC | img21850540_8.jpg | GRAPHIC | 183633
| Complete submission text file | 0000950170-25-105098.txt |  | 14942423

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
14 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | mtus-20250630.xsd | EX-101.SCH | 1050051
77 | EXTRACTED XBRL INSTANCE DOCUMENT | mtus-20250630_htm.xml | XML | 1972860

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.: 251194616
SIC: 3312 Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens)
(CF Office: 04 Manufacturing)