Allison Transmission Holdings Inc — 8-K Filings
168 8-K filings on record
This page lists all 8-K 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 168 8-K 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 |
|---|---|---|---|---|
| 8-K | 8-K | 0001193125-26-063975 | Feb 23, 2026 | — |
| 8-K | 8-K | 0001193125-26-000343 | Jan 2, 2026 | Jan 1, 2026 |
| 8-K | 8-K | 0001193125-25-293880 | Nov 24, 2025 | Nov 21, 2025 |
| 8-K | 8-K | 0001193125-25-270819 | Nov 7, 2025 | Nov 6, 2025 |
| 8-K | 8-K | 0001193125-25-265028 | Nov 4, 2025 | — |
| 8-K | 8-K | 0001193125-25-259124 | Oct 31, 2025 | Oct 30, 2025 |
| 8-K | 8-K | 0001193125-25-256299 | Oct 29, 2025 | — |
| 8-K | 8-K | 0001193125-25-172619 | Aug 4, 2025 | — |
| 8-K | 8-K | 0001193125-25-140770 | Jun 13, 2025 | Jun 11, 2025 |
| 8-K | 8-K | 0001193125-25-139199 | Jun 11, 2025 | — |
| 8-K | 8-K | 0001193125-25-116906 | May 9, 2025 | May 7, 2025 |
| 8-K | 8-K | 0001193125-25-109981 | May 1, 2025 | — |
| 8-K | 8-K | 0001193125-25-077947 | Apr 10, 2025 | — |
| 8-K | 8-K | 0001193125-25-030728 | Feb 20, 2025 | Feb 19, 2025 |
| 8-K | 8-K | 0001193125-25-024308 | Feb 11, 2025 | — |
| 8-K | 8-K | 0001193125-24-246521 | Oct 29, 2024 | — |
| 8-K | 8-K | 0001193125-24-184838 | Jul 25, 2024 | — |
| 8-K | 8-K | 0001193125-24-154265 | Jun 4, 2024 | Jun 3, 2024 |
| 8-K | 8-K | 0001193125-24-136188 | May 10, 2024 | May 8, 2024 |
| 8-K | 8-K | 0001193125-24-113874 | Apr 25, 2024 | — |
| 8-K | 8-K | 0001193125-24-070130 | Mar 18, 2024 | Mar 13, 2024 |
| 8-K | 8-K | 0001193125-24-033768 | Feb 13, 2024 | — |
| 8-K | 8-K | 0001193125-23-263026 | Oct 25, 2023 | — |
| 8-K | 8-K | 0001193125-23-196106 | Jul 27, 2023 | — |
| 8-K | 8-K | 0001193125-23-137120 | May 5, 2023 | May 3, 2023 |
| 8-K | 8-K | 0001193125-23-122177 | Apr 27, 2023 | — |
| 8-K | 8-K | 0001193125-23-061359 | Mar 6, 2023 | Feb 28, 2023 |
| 8-K | 8-K | 0001193125-23-040198 | Feb 15, 2023 | — |
| 8-K | 8-K | 0001193125-22-269597 | Oct 26, 2022 | — |
| 8-K | 8-K | 0001193125-22-215709 | Aug 9, 2022 | Aug 5, 2022 |
| 8-K | 8-K | 0001193125-22-211277 | Aug 3, 2022 | — |
| 8-K | 8-K | 0001193125-22-202066 | Jul 26, 2022 | Jul 20, 2022 |
| 8-K | 8-K | 0001193125-22-196981 | Jul 19, 2022 | Jul 13, 2022 |
| 8-K | 8-K | 0001193125-22-146452 | May 10, 2022 | May 4, 2022 |
| 8-K | 8-K | 0001193125-22-123634 | Apr 27, 2022 | — |
| 8-K | 8-K | 0001193125-22-052109 | Feb 24, 2022 | — |
| 8-K | 8-K | 0001193125-22-044379 | Feb 16, 2022 | — |
| 8-K | 8-K | 0001193125-22-019786 | Jan 27, 2022 | Jan 25, 2022 |
| 8-K | 8-K | 0001193125-21-309350 | Oct 27, 2021 | — |
| 8-K | 8-K | 0001193125-21-278494 | Sep 22, 2021 | Sep 21, 2021 |
| 8-K | 8-K | 0001193125-21-274715 | Sep 16, 2021 | — |
| 8-K | 8-K | 0001193125-21-227560 | Jul 28, 2021 | — |
| 8-K | 8-K | 0001193125-21-175396 | May 27, 2021 | May 24, 2021 |
| 8-K | 8-K | 0001193125-21-154953 | May 7, 2021 | May 5, 2021 |
| 8-K | 8-K | 0001193125-21-136896 | Apr 28, 2021 | — |
| 8-K | 8-K | 0001193125-21-046518 | Feb 17, 2021 | — |
| 8-K | 8-K | 0001193125-21-043579 | Feb 16, 2021 | Feb 11, 2021 |
| 8-K | 8-K | 0001193125-20-298238 | Nov 19, 2020 | — |
| 8-K | 8-K | 0001193125-20-289716 | Nov 10, 2020 | Nov 9, 2020 |
| 8-K | 8-K | 0001193125-20-288492 | Nov 9, 2020 | — |