Allison Transmission Holdings Inc — All Filings
1,000 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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 |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-000578 | Mar 26, 2026 | — |
| DEFA14A | DEFA14A | 0001140361-26-011094 | Mar 25, 2026 | — |
| ARS | ARS | 0001140361-26-011095 | Mar 25, 2026 | Dec 31, 2025 |
| DEF 14A | DEF 14A | 0001140361-26-011093 | Mar 25, 2026 | May 6, 2026 |
| 4 | 4 | 0001193125-26-121756 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121752 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121753 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121747 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121755 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121754 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121744 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121746 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121745 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121748 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121750 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121751 | Mar 24, 2026 | Mar 20, 2026 |
| 4 | 4 | 0001193125-26-121749 | Mar 24, 2026 | Mar 20, 2026 |
| 8-K/A | 8-K/A | 0001193125-26-106549 | Mar 16, 2026 | Jan 1, 2026 |
| 4 | 4 | 0001193125-26-100117 | Mar 10, 2026 | Mar 9, 2026 |
| 144 | — | 0001964306-26-000165 | Mar 9, 2026 | — |
| 144 | — | 0001964306-26-000152 | Mar 5, 2026 | — |
| 4 | 4 | 0001193125-26-088094 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | 4 | 0001193125-26-088092 | Mar 3, 2026 | Feb 28, 2026 |
| 4 | 4 | 0001193125-26-088093 | Mar 3, 2026 | Feb 28, 2026 |
| 144 | — | 0001964306-26-000140 | Mar 2, 2026 | — |
| 4 | 4 | 0001193125-26-082485 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | 4 | 0001193125-26-082481 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | 4 | 0001193125-26-082489 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | 4 | 0001193125-26-082488 | Feb 27, 2026 | Feb 25, 2026 |
| 4 | 4 | 0001193125-26-082480 | Feb 27, 2026 | Feb 25, 2026 |
| 144 | — | 0001964306-26-000129 | Feb 26, 2026 | — |
| 144/A | — | 0001964306-26-000130 | Feb 26, 2026 | — |
| 144 | — | 0001964306-26-000124 | Feb 25, 2026 | — |
| 4 | 4 | 0001193125-26-066922 | Feb 24, 2026 | Feb 22, 2026 |
| 4 | 4 | 0001193125-26-066924 | Feb 24, 2026 | Feb 21, 2026 |
| 4 | 4 | 0001193125-26-066925 | Feb 24, 2026 | Feb 21, 2026 |
| 10-K | 10-K | 0001193125-26-065627 | Feb 24, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0001193125-26-063975 | Feb 23, 2026 | — |
| 4 | 4 | 0001193125-26-063949 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-063950 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-063951 | Feb 23, 2026 | Feb 19, 2026 |
| 4 | 4 | 0001193125-26-054562 | Feb 17, 2026 | Feb 13, 2026 |
| 4 | 4 | 0001193125-26-051269 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | 4 | 0001193125-26-051270 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | 4 | 0001193125-26-051260 | Feb 13, 2026 | Feb 11, 2026 |
| 144 | — | 0001964306-26-000098 | Feb 13, 2026 | — |
| 4 | 4 | 0001193125-26-044636 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | 4 | 0001193125-26-044651 | Feb 10, 2026 | Feb 6, 2026 |
| 144 | — | 0001964306-26-000044 | Jan 15, 2026 | — |
| 4 | 4 | 0001193125-26-002549 | Jan 5, 2026 | Jan 1, 2026 |