Research Frontiers Incorporated

8-K Shareholder vote results Jun 12, 2026 8-K Delisting notice or listing-rule failure Jun 5, 2026 10-Q Quarter ended 2026-03-31 May 8, 2026 10-K/A Fiscal year ended 2025-12-31 Mar 19, 2026 10-K Fiscal year ended 2025-12-31 Mar 5, 2026 8-K Entered a material agreement Feb 18, 2026 10-Q Quarter ended 2025-09-30 Nov 6, 2025 8-K Director or officer change Sep 15, 2025 10-Q Quarter ended 2025-06-30 Aug 7, 2025 8-K Shareholder vote results Jun 13, 2025 10-Q Quarter ended 2025-03-31 May 8, 2025 10-K/A Fiscal year ended 2023-12-31 Apr 16, 2025 10-K Fiscal year ended 2024-12-31 Mar 6, 2025 10-Q Quarter ended 2024-09-30 Nov 7, 2024 10-Q Quarter ended 2024-06-30 Aug 1, 2024 8-K Shareholder vote results Jun 14, 2024 10-Q Quarter ended 2024-03-31 May 9, 2024 10-K Fiscal year ended 2023-12-31 Mar 7, 2024 10-Q Quarter ended 2023-09-30 Nov 2, 2023 10-Q Quarter ended 2023-06-30 Aug 3, 2023 8-K Shareholder vote results Jun 12, 2023 8-K Delisting notice or listing-rule failure; Director or officer change Jun 5, 2023 10-Q Quarter ended 2023-03-31 May 4, 2023 10-K Fiscal year ended 2022-12-31 Mar 9, 2023 10-Q Quarter ended 2022-09-30 Nov 3, 2022 8-K Entered a material agreement; Regulation FD disclosure Sep 20, 2022 10-Q Quarter ended 2022-06-30 Aug 4, 2022 8-K Director or officer change; Shareholder vote results Jun 13, 2022 10-Q Quarter ended 2022-03-31 May 5, 2022 10-K Fiscal year ended 2021-12-31 Mar 9, 2022 10-Q/A Quarter ended 2021-09-30 Feb 24, 2022 10-Q/A Quarter ended 2021-06-30 Feb 24, 2022 10-Q Quarter ended 2021-09-30 Nov 4, 2021 10-Q Quarter ended 2021-06-30 Aug 5, 2021 8-K Shareholder vote results Jun 10, 2021 10-Q Quarter ended 2021-03-31 May 10, 2021 10-K Fiscal year ended 2020-12-31 Mar 11, 2021 8-K Regulation FD disclosure Jan 13, 2021 8-K Director or officer change Dec 4, 2020 10-Q Quarter ended 2020-09-30 Nov 5, 2020