| Filed | Form | Period | Accession | |
|---|---|---|---|---|
| May 28, 2026 | 4 | 2026-05-26 | 0000764180-26-000081 | View → |
| May 28, 2026 | 4 | 2026-05-26 | 0000764180-26-000080 | View → |
| May 27, 2026 | 10-K/A | 2025-12-31 | 0000764180-26-000077 | View → |
| May 18, 2026 | 8-K | 2026-05-13 | 0000764180-26-000073 | View → |
| May 18, 2026 | 4 | 2026-05-14 | 0000764180-26-000071 | View → |
| May 18, 2026 | 4 | 2026-05-14 | 0000764180-26-000070 | View → |
| May 18, 2026 | 4 | 2026-05-14 | 0000764180-26-000069 | View → |
| May 18, 2026 | 4 | 2026-05-14 | 0000764180-26-000068 | View → |
| May 18, 2026 | 4 | 2026-05-14 | 0000764180-26-000067 | View → |
| May 18, 2026 | 4 | 2026-05-14 | 0000764180-26-000066 | View → |
| May 18, 2026 | 4 | 2026-05-14 | 0000764180-26-000065 | View → |
| May 18, 2026 | 4 | 2026-05-14 | 0000764180-26-000064 | View → |
| May 18, 2026 | 4 | 2026-05-14 | 0000764180-26-000063 | View → |
| May 15, 2026 | 4 | 2026-05-13 | 0000764180-26-000060 | View → |
| Apr 30, 2026 | 10-Q | 2026-03-31 | 0000764180-26-000058 | View → |
| Apr 30, 2026 | 8-K | 2026-04-30 | 0000764180-26-000056 | View → |
| Mar 9, 2026 | 4 | 2026-03-05 | 0000764180-26-000045 | View → |
| Mar 2, 2026 | 4 | 2026-02-26 | 0000764180-26-000043 | View → |
| Mar 2, 2026 | 4 | 2026-02-26 | 0000764180-26-000042 | View → |
| Mar 2, 2026 | 4 | 2026-02-26 | 0000764180-26-000041 | View → |
| Mar 2, 2026 | 4 | 2026-02-26 | 0000764180-26-000040 | View → |
| Mar 2, 2026 | 4 | 2026-02-26 | 0000764180-26-000039 | View → |
| Mar 2, 2026 | 4 | 2026-02-26 | 0000764180-26-000038 | View → |
| Mar 2, 2026 | 4 | 2026-02-26 | 0000764180-26-000037 | View → |
| Feb 27, 2026 | 4 | 2026-02-25 | 0000764180-26-000029 | View → |
| Feb 27, 2026 | 4 | 2026-02-25 | 0000764180-26-000028 | View → |
| Feb 27, 2026 | 4 | 2026-02-25 | 0000764180-26-000027 | View → |
| Feb 27, 2026 | 4 | 2026-02-25 | 0000764180-26-000026 | View → |
| Feb 27, 2026 | 4 | 2026-02-25 | 0000764180-26-000025 | View → |
| Feb 27, 2026 | 4 | 2026-02-25 | 0000764180-26-000024 | View → |
| Feb 25, 2026 | 10-K | 2025-12-31 | 0000764180-26-000017 | View → |
| Feb 18, 2026 | 4 | 2026-02-13 | 0000764180-26-000014 | View → |
| Feb 6, 2026 | 4 | 2026-02-04 | 0000764180-26-000011 | View → |
| Jan 29, 2026 | 8-K | 2026-01-29 | 0000764180-26-000009 | View → |
| Jan 29, 2026 | 8-K | 2026-01-28 | 0000764180-26-000007 | View → |
| Jan 20, 2026 | 4 | 2026-01-15 | 0000764180-26-000003 | View → |
| Dec 11, 2025 | 4 | 2025-12-09 | 0000764180-25-000137 | View → |
| Dec 11, 2025 | 4 | 2025-12-09 | 0000764180-25-000135 | View → |
| Dec 11, 2025 | 8-K | 2025-12-08 | 0000764180-25-000133 | View → |
| Oct 30, 2025 | 10-Q | 2025-09-30 | 0000764180-25-000130 | View → |
| Oct 30, 2025 | 8-K | 2025-10-29 | 0000764180-25-000128 | View → |
| Oct 9, 2025 | 8-K | 2025-10-03 | 0000764180-25-000124 | View → |
| Aug 25, 2025 | 4 | 2025-08-21 | 0000764180-25-000119 | View → |
| Aug 25, 2025 | 4 | 2025-08-21 | 0000764180-25-000118 | View → |
| Aug 25, 2025 | 4 | 2025-08-21 | 0000764180-25-000117 | View → |
| Aug 6, 2025 | 8-K | 2025-08-06 | 0001193125-25-174546 | View → |
| Jul 30, 2025 | 10-Q | 2025-06-30 | 0000764180-25-000111 | View → |
| Jul 30, 2025 | 8-K | 2025-07-30 | 0000764180-25-000109 | View → |
| Jul 23, 2025 | 8-K | 2025-07-23 | 0000764180-25-000101 | View → |
| Jun 4, 2025 | 10-K/A | 2024-12-31 | 0000764180-25-000092 | View → |
| Jun 3, 2025 | 8-K | 2025-05-28 | 0000764180-25-000088 | View → |
| May 19, 2025 | 4 | 2025-05-15 | 0000764180-25-000077 | View → |
| May 19, 2025 | 4 | 2025-05-15 | 0000764180-25-000075 | View → |
| May 19, 2025 | 4 | 2025-05-15 | 0000764180-25-000073 | View → |
| May 19, 2025 | 4 | 2025-05-15 | 0000764180-25-000071 | View → |
| May 19, 2025 | 4 | 2025-05-15 | 0000764180-25-000069 | View → |
| May 19, 2025 | 4 | 2025-05-15 | 0000764180-25-000067 | View → |
| May 19, 2025 | 4 | 2025-05-15 | 0000764180-25-000065 | View → |
| May 19, 2025 | 4 | 2025-05-15 | 0000764180-25-000063 | View → |
| May 19, 2025 | 4 | 2025-05-15 | 0000764180-25-000061 | View → |
| May 19, 2025 | 4 | 2025-05-15 | 0000764180-25-000059 | View → |
| May 19, 2025 | 8-K | 2025-05-13 | 0000764180-25-000057 | View → |
| Apr 29, 2025 | 10-Q | 2025-03-31 | 0000764180-25-000049 | View → |
| Apr 29, 2025 | 8-K | 2025-04-29 | 0000764180-25-000047 | View → |
| Apr 18, 2025 | 4 | 2025-04-16 | 0000764180-25-000042 | View → |
| Mar 3, 2025 | 4 | 2025-02-27 | 0000764180-25-000033 | View → |
| Mar 3, 2025 | 4 | 2025-02-27 | 0000764180-25-000032 | View → |
| Mar 3, 2025 | 4 | 2025-02-27 | 0000764180-25-000031 | View → |
| Mar 3, 2025 | 4 | 2025-02-27 | 0000764180-25-000030 | View → |
| Mar 3, 2025 | 4 | 2025-02-27 | 0000764180-25-000029 | View → |
| Mar 3, 2025 | 4 | 2025-02-27 | 0000764180-25-000028 | View → |
| Mar 3, 2025 | 4 | 2025-02-27 | 0000764180-25-000027 | View → |
| Feb 28, 2025 | 4 | 2025-02-26 | 0000764180-25-000026 | View → |
| Feb 28, 2025 | 4 | 2025-02-26 | 0000764180-25-000025 | View → |
| Feb 28, 2025 | 4 | 2025-02-26 | 0000764180-25-000024 | View → |
| Feb 28, 2025 | 4 | 2025-02-26 | 0000764180-25-000023 | View → |
| Feb 28, 2025 | 4 | 2025-02-26 | 0000764180-25-000022 | View → |
| Feb 28, 2025 | 4 | 2025-02-26 | 0000764180-25-000021 | View → |
| Feb 28, 2025 | 4 | 2025-02-26 | 0000764180-25-000020 | View → |
| Feb 26, 2025 | 10-K | 2024-12-31 | 0000764180-25-000019 | View → |
| Feb 19, 2025 | 4 | 2025-02-14 | 0000764180-25-000016 | View → |
| Feb 6, 2025 | 8-K | 2025-02-06 | 0001193125-25-021816 | View → |
| Jan 30, 2025 | 4 | 2025-01-28 | 0000764180-25-000011 | View → |
| Jan 30, 2025 | 8-K | 2025-01-30 | 0000764180-25-000009 | View → |
| Jan 30, 2025 | 8-K | 2025-01-29 | 0000764180-25-000006 | View → |
| Jan 3, 2025 | 4 | 2024-12-31 | 0000764180-25-000002 | View → |
| Dec 12, 2024 | 4 | 2024-12-10 | 0000764180-24-000103 | View → |
| Oct 31, 2024 | 10-Q | 2024-09-30 | 0000764180-24-000102 | View → |
| Oct 31, 2024 | 8-K | 2024-10-31 | 0000764180-24-000100 | View → |
| Oct 2, 2024 | 4 | 2024-09-30 | 0000764180-24-000095 | View → |
| Jul 31, 2024 | 10-Q | 2024-06-30 | 0000764180-24-000093 | View → |
| Jul 31, 2024 | 8-K | 2024-07-31 | 0000764180-24-000091 | View → |
| Jul 2, 2024 | 4 | 2024-06-28 | 0000764180-24-000085 | View → |
| Jun 5, 2024 | 10-K/A | 2023-12-31 | 0000764180-24-000079 | View → |
| May 20, 2024 | 8-K | 2024-05-16 | 0000764180-24-000073 | View → |
| May 20, 2024 | 4 | 2024-05-16 | 0000764180-24-000072 | View → |
| May 20, 2024 | 4 | 2024-05-16 | 0000764180-24-000071 | View → |
| May 20, 2024 | 4 | 2024-05-16 | 0000764180-24-000070 | View → |
| May 20, 2024 | 4 | 2024-05-16 | 0000764180-24-000069 | View → |
| May 20, 2024 | 4 | 2024-05-16 | 0000764180-24-000068 | View → |