| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| 8-K | Report | NUVEEN SELECT TAX-FREE INCOME PORTFOLIO | Mar 6, 2024 | Mar 6, 2024 |
| 8-K | Report | NUVEEN SELECT TAX-FREE INCOME PORTFOLIO | Oct 13, 2023 | Oct 13, 2023 |
| 8-K | Report | 8-K | Feb 25, 2022 | Feb 24, 2022 |
| SC 13G/A | Report | AMENDED SCHEDULE 13G | Feb 2, 2022 | |
| SC 13G | Report | SCHEDULE 13G | Jan 13, 2021 | |
| 8-K | Report | 8-K | Oct 6, 2020 | Oct 5, 2020 |
| SC 13G/A | Report | AMENDED SCHEDULE 13G | Feb 13, 2014 | |
| SC 13G | Report | SCHEDULE 13G | Jan 28, 2013 |