| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | Feb 13, 2023 | ||
| SC 13G/A | Report | BANK OF MONTREAL | Feb 6, 2023 | |
| SC 13G/A | Report | Jan 24, 2023 | ||
| 8-K | Report | Data | FORM 8-K | May 24, 2022 | May 19, 2022 |
| SC 13G/A | Report | SC 13G/A | May 20, 2022 | |
| 8-K | Report | Data | FORM 8-K | May 18, 2022 | May 17, 2022 |
| 8-K | Report | Data | FORM 8-K | May 17, 2022 | May 16, 2022 |
| 8-K | Report | Data | FORM 8-K | May 16, 2022 | May 13, 2022 |
| 10-Q | Report | Data | 10-Q | May 13, 2022 | Mar 31, 2022 |
| 8-K/A | Report | Data | FORM 8-K/A | May 13, 2022 | May 10, 2022 |
| 8-K | Report | Data | FORM 8-K | May 12, 2022 | May 10, 2022 |
| SC 13G/A | Report | KARPUS INVESTMENT MGT / OTR ACQUISITION - SCHEDULE 13G/A(#1) | May 10, 2022 | |
| 10-K | Report | Data | 10-K | Mar 8, 2022 | Dec 31, 2021 |
| 10-K/A | Report | Data | FORM 10-K/A | Mar 8, 2022 | Dec 31, 2020 |
| 8-K | Report | Data | FORM 8-K | Mar 2, 2022 | Mar 1, 2022 |
| SC 13G | Report | SC 13G | Feb 18, 2022 | |
| SC 13G | Report | BANK OF MONTREAL | Feb 15, 2022 | |
| SC 13G | Report | KARPUS INVESTMENT MGT / OTR ACQUISITION - SCHEDULE 13G | Feb 14, 2022 | |
| SC 13G/A | Report | Feb 14, 2022 | ||
| SC 13G | Report | Feb 14, 2022 | ||
| SC 13G/A | Report | Feb 10, 2022 | ||
| SC 13G | Report | SC 13G OTRA | Feb 10, 2022 | |
| SC 13G/A | Report | FORM SC 13G/A | Feb 10, 2022 | |
| 8-K | Report | Data | 8-K | Feb 4, 2022 | Jan 31, 2022 |
| 8-K | Report | Data | FORM 8-K | Jan 31, 2022 | Jan 31, 2022 |
| 10-Q/A | Report | Data | 10-Q/A | Dec 13, 2021 | Sep 30, 2021 |
| 10-K/A | Report | Data | FORM 10-K/A | Dec 13, 2021 | Dec 31, 2020 |
| 8-K | Report | Data | FORM 8-K | Nov 30, 2021 | Nov 30, 2021 |
| 10-Q | Report | Data | FORM 10-Q | Nov 8, 2021 | Sep 30, 2021 |
| 8-K | Report | Data | FORM 8-K | Aug 4, 2021 | Jul 30, 2021 |
| 10-Q | Report | Data | FORM 10-Q | Aug 3, 2021 | Jun 30, 2021 |
| 10-Q | Report | Data | FORM 10-Q | May 25, 2021 | Mar 31, 2021 |
| 10-K/A | Report | Data | FORM 10-K/A | May 18, 2021 | Dec 31, 2020 |
| 8-K | Report | FORM 8-K | May 17, 2021 | May 14, 2021 |
| SC 13G | Report | Apr 22, 2021 | ||
| 10-K | Report | Data | FORM 10-K | Mar 3, 2021 | Dec 31, 2020 |
| SC 13G | Report | SC 13G OTR | Feb 24, 2021 | |
| SC 13G | Report | SC 13G | Feb 12, 2021 | |
| SC 13G | Report | OTRA 13G | Feb 10, 2021 | |
| SC 13G | Report | FORM SC 13G | Feb 10, 2021 | |
| SC 13G | Report | 13G | Feb 8, 2021 | |
| 10-Q | Report | Data | FORM 10-Q | Jan 4, 2021 | Sep 30, 2020 |
| 8-K | Report | FORM 8-K | Dec 8, 2020 | Dec 8, 2020 |
| 8-K | Report | FORM 8-K | Nov 25, 2020 | Nov 19, 2020 |
| 8-K | Report | FORM 8-K | Nov 23, 2020 | Nov 17, 2020 |