Allison Transmission Holdings, Inc.

8-K Results of operations (earnings release) Aug 3, 2026 8-K Entered a material agreement; Regulation FD disclosure Jun 16, 2026 8-K Director or officer change; Shareholder vote results May 8, 2026 10-Q Quarter ended 2026-03-31 May 7, 2026 8-K Results of operations (earnings release) May 4, 2026 8-K/A Mar 16, 2026 10-K Fiscal year ended 2025-12-31 Feb 24, 2026 8-K Results of operations (earnings release) Feb 23, 2026 8-K Entered a material agreement; Completed an acquisition or disposition; Took on a direct financial obligation; Director or officer change; Regulation FD disclosure Jan 2, 2026 8-K Entered a material agreement; Took on a direct financial obligation Nov 24, 2025 8-K Other events Nov 7, 2025 8-K Regulation FD disclosure Nov 4, 2025 8-K Regulation FD disclosure Oct 31, 2025 10-Q Quarter ended 2025-09-30 Oct 30, 2025 8-K Results of operations (earnings release) Oct 29, 2025 10-Q Quarter ended 2025-06-30 Aug 5, 2025 8-K Results of operations (earnings release) Aug 4, 2025 8-K Entered a material agreement; Other events Jun 13, 2025 8-K Regulation FD disclosure Jun 11, 2025 8-K Amended charter or bylaws; Shareholder vote results May 9, 2025 10-Q Quarter ended 2025-03-31 May 2, 2025 8-K Results of operations (earnings release) May 1, 2025 8-K Director or officer change; Regulation FD disclosure Apr 10, 2025 8-K Director or officer change; Other events Feb 20, 2025 10-K Fiscal year ended 2024-12-31 Feb 13, 2025 8-K Results of operations (earnings release) Feb 11, 2025 10-Q Quarter ended 2024-09-30 Oct 30, 2024 8-K Results of operations (earnings release) Oct 29, 2024 10-Q Quarter ended 2024-06-30 Jul 26, 2024 8-K Results of operations (earnings release) Jul 25, 2024 8-K Director or officer change; Regulation FD disclosure Jun 4, 2024 8-K Director or officer change; Shareholder vote results May 10, 2024 10-Q Quarter ended 2024-03-31 Apr 26, 2024 8-K Results of operations (earnings release) Apr 25, 2024 8-K Entered a material agreement; Regulation FD disclosure Mar 18, 2024 10-K Fiscal year ended 2023-12-31 Feb 14, 2024 8-K Results of operations (earnings release) Feb 13, 2024 10-Q Quarter ended 2023-09-30 Oct 26, 2023 8-K Results of operations (earnings release) Oct 25, 2023 10-Q Quarter ended 2023-06-30 Jul 28, 2023