Allison Transmission Holdings Inc — DEF 14A Filings
14 DEF 14A filings on record
This page lists all DEF 14A filings submitted to the SEC by Allison Transmission Holdings Inc (ALSN), sorted by most recent first. Each row links to the full filing on EdgarLookup. Allison Transmission Holdings Inc has filed 14 DEF 14A documents with the SEC since 2020. To view all SEC filings by Allison Transmission Holdings Inc, see the full filings list.
All
10-K
10-Q
144
144/A
3
3/A
4
4/A
424B1
424B3
424B7
5
8-A12B
8-K
8-K/A
ARS
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
POS EX
PRE 14A
REGDEX
S-1
S-1/A
S-3ASR
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEF 14A | DEF 14A | 0001140361-26-011093 | Mar 25, 2026 | May 6, 2026 |
| DEF 14A | DEF 14A | 0001140361-25-010358 | Mar 26, 2025 | May 7, 2025 |
| DEF 14A | DEFINITIVE PROXY STATEMENTS | 0001140361-24-016468 | Mar 29, 2024 | May 8, 2024 |
| DEF 14A | DEF 14A | 0001140361-23-013594 | Mar 24, 2023 | — |
| DEF 14A | DEF 14A | 0001140361-22-011115 | Mar 25, 2022 | May 4, 2022 |
| DEF 14A | DEF 14A | 0001140361-21-010120 | Mar 26, 2021 | May 5, 2021 |
| DEF 14A | DEF 14A | 0001140361-20-007107 | Mar 27, 2020 | May 6, 2020 |
| DEF 14A | DEF 14A | 0001140361-19-006072 | Mar 29, 2019 | May 8, 2019 |
| DEF 14A | DEF 14A | 0001193125-18-100588 | Mar 29, 2018 | May 9, 2018 |
| DEF 14A | DEF 14A | 0001193125-17-105305 | Mar 31, 2017 | May 11, 2017 |
| DEF 14A | DEF 14A | 0001193125-16-534772 | Apr 8, 2016 | May 12, 2016 |
| DEF 14A | DEF 14A | 0001193125-15-117078 | Apr 2, 2015 | May 14, 2015 |
| DEF 14A | DEF 14A | 0001193125-14-117646 | Mar 27, 2014 | May 8, 2014 |
| DEF 14A | DEF 14A | 0001193125-13-132407 | Mar 28, 2013 | May 8, 2013 |