Allison Transmission Holdings Inc
ALSNNYSECIK 1411207Consumer discretionaryFiscal year ends Dec 31
Reports and events: 271 filings
Newest first, by EDGAR acceptance time (Eastern). Each filing’s page lists its documents on sec.gov and, for 10-K and 10-Q reports, the extracted sections.
What the forms are: 10-K, 10-Q, 8-K, Form 4, DEF 14A, Schedule 13D, Schedule 13G, amendments, accession numbers.
| Filed | Form | What it is | Accession number |
|---|---|---|---|
| 2026-08-0509:13 ET | 10-Q | Quarterly reportPeriod 2026-06-30 | 0001193125-26-334039 |
| 2026-08-0316:05 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-330544 |
| 2026-06-1616:14 ET | 8-K | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-272602 |
| 2026-05-0816:15 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results | 0001193125-26-214675 |
| 2026-05-0716:04 ET | 10-Q | Quarterly reportPeriod 2026-03-31 | 0001193125-26-211857 |
| 2026-05-0416:41 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-204146 |
| 2026-03-2516:06 ET | DEF 14A | Proxy statementPeriod 2026-05-06 | 0001140361-26-011093 |
| 2026-03-1618:01 ET | 8-K/A | 9.01 Financial statements and exhibits | 0001193125-26-106549 |
| 2026-02-2409:28 ET | 10-K | Annual reportPeriod 2025-12-31 | 0001193125-26-065627 |
| 2026-02-2316:10 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-063975 |
| 2026-01-0208:54 ET | 8-K | 1.01 Entry into a material agreement; 2.01 Completion of an acquisition or disposition; 2.03 New direct financial obligation; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-000343 |
| 2025-11-2417:25 ET | 8-K | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-25-293880 |
| 2025-11-0706:03 ET | 8-K | 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-270819 |
| 2025-11-0417:23 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-265028 |
| 2025-10-3121:43 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-259124 |
| 2025-10-3009:06 ET | 10-Q | Quarterly reportPeriod 2025-09-30 | 0001193125-25-257624 |
| 2025-10-2916:05 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-256299 |
| 2025-08-0516:06 ET | 10-Q | Quarterly reportPeriod 2025-06-30 | 0000950170-25-103020 |
| 2025-08-0416:17 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-172619 |
| 2025-06-1316:16 ET | 8-K | 1.01 Entry into a material agreement; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-140770 |
| 2025-06-1116:41 ET | 8-K | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-139199 |
| 2025-05-0916:17 ET | 8-K | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-25-116906 |
| 2025-05-0208:53 ET | 10-Q | Quarterly reportPeriod 2025-03-31 | 0000950170-25-062281 |
| 2025-05-0116:15 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-109981 |
| 2025-04-1016:05 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-25-077947 |
| 2025-03-2609:00 ET | DEF 14A | Proxy statementPeriod 2025-05-07 | 0001140361-25-010358 |
| 2025-02-2016:15 ET | 8-K | 5.02 Departure or appointment of officers or directors; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-25-030728 |
| 2025-02-1309:00 ET | 10-K | Annual reportPeriod 2024-12-31 | 0000950170-25-019379 |
| 2025-02-1116:06 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-024308 |
| 2024-10-3009:14 ET | 10-Q | Quarterly reportPeriod 2024-09-30 | 0000950170-24-118639 |
| 2024-10-2916:05 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-246521 |
| 2024-07-2608:57 ET | 10-Q | Quarterly reportPeriod 2024-06-30 | 0000950170-24-086738 |
| 2024-07-2516:15 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-184838 |
| 2024-06-0416:15 ET | 8-K | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-154265 |
| 2024-05-1016:18 ET | 8-K | 5.02 Departure or appointment of officers or directors; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-24-136188 |
| 2024-04-2608:41 ET | 10-Q | Quarterly reportPeriod 2024-03-31 | 0000950170-24-048677 |
| 2024-04-2516:05 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-113874 |
| 2024-03-2909:04 ET | DEF 14A | Proxy statementPeriod 2024-05-08 | 0001140361-24-016468 |
| 2024-03-1816:05 ET | 8-K | 1.01 Entry into a material agreement; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-24-070130 |
| 2024-02-1416:02 ET | 10-K | Annual reportPeriod 2023-12-31 | 0000950170-24-015192 |
| 2024-02-1316:24 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-24-033768 |
| 2023-10-2608:35 ET | 10-Q | Quarterly reportPeriod 2023-09-30 | 0000950170-23-055372 |
| 2023-10-2516:15 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-23-263026 |
| 2023-07-2808:49 ET | 10-Q | Quarterly reportPeriod 2023-06-30 | 0000950170-23-035292 |
| 2023-07-2716:13 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-23-196106 |
| 2023-05-0516:16 ET | 8-K | 5.03 Amendment to articles or bylaws; 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-23-137120 |
| 2023-04-2808:58 ET | 10-Q | Quarterly reportPeriod 2023-03-31 | 0000950170-23-015499 |
| 2023-04-2716:14 ET | 8-K | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-23-122177 |
| 2023-03-2409:04 ET | DEF 14A | Proxy statement | 0001140361-23-013594 |
| 2023-03-0616:02 ET | 8-K | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001193125-23-061359 |
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 24, 2026, 15:09 ET. Listed shows no prices and gives no investment advice.