| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 30 Sep 2021 | 28 Sep 2021 | 811-10573 | |
| 4 | Open Document | Open Filing | 12 Aug 2021 | 10 Aug 2021 | 811-10573 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2020 | 04 Aug 2020 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jul 2020 | 27 Jul 2020 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2020 | 29 Jun 2020 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Aug 2019 | 19 Aug 2019 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Aug 2019 | 07 Aug 2019 | 000-18548 |
| 4 | Open Document | Open Filing | 15 Feb 2019 | 13 Feb 2019 | 811-07732 | |
| 4 | Open Document | Open Filing | 15 Feb 2019 | 14 Feb 2019 | 811-10573 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2018 | 31 Jul 2018 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Aug 2017 | 08 Aug 2017 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Aug 2016 | 09 Aug 2016 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jul 2016 | 28 Jul 2016 | 000-18548 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Jun 2016 | 15 Jun 2016 | 811-07732 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2015 | 01 Dec 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2015 | 11 Aug 2015 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2014 | 12 Aug 2014 | 000-18548 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2014 | 29 May 2014 | 001-13828 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2013 | 13 Aug 2013 | 000-18548 |
| 4 | Open Document | Open Filing | AB INCOME / TURNER | 24 Jun 2013 | 21 Jun 2013 | 811-05207 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2013 | 30 May 2013 | 001-13828 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2013 | 31 May 2013 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Aug 2012 | 07 Aug 2012 | 000-18548 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2012 | 30 May 2012 | 001-13828 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2012 | 27 Feb 2012 | 000-18548 |