Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001193125-26-065627
Filing Date
2026-02-24
Accepted
2026-02-24 09:28:30
Documents
140
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K alsn-20251231.htm   iXBRL 10-K 4901819
2 EX-10.33 alsn-ex10_33.htm EX-10.33 333554
3 EX-21.1 alsn-ex21_1.htm EX-21.1 6163
4 EX-23.1 alsn-ex23_1.htm EX-23.1 4326
5 EX-31.1 alsn-ex31_1.htm EX-31.1 14962
6 EX-31.2 alsn-ex31_2.htm EX-31.2 15224
7 EX-32.1 alsn-ex32_1.htm EX-32.1 8946
8 GRAPHIC img89381785_0.jpg GRAPHIC 631
9 GRAPHIC img89381785_1.jpg GRAPHIC 25338
10 GRAPHIC img113536346_0.jpg GRAPHIC 87152
11 GRAPHIC img113536346_1.gif GRAPHIC 95361
12 GRAPHIC img113536346_2.gif GRAPHIC 64480
13 GRAPHIC img113536346_3.gif GRAPHIC 62381
14 GRAPHIC img113536346_4.jpg GRAPHIC 368386
  Complete submission text file 0001193125-26-065627.txt   23210885

Data Files

Seq Description Document Type Size
15 XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT alsn-20251231.xsd EX-101.SCH 2203023
143 EXTRACTED XBRL INSTANCE DOCUMENT alsn-20251231_htm.xml XML 4938481
Mailing Address ONE ALLISON WAY Indianapolis IN 46222
Business Address ONE ALLISON WAY Indianapolis IN 46222 (317) 242-5000
Allison Transmission Holdings Inc (Filer) CIK: 0001411207 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-35456 | Film No.: 26667865
SIC: 3714 Motor Vehicle Parts & Accessories
(CF Office: 04 Manufacturing)