| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Mar 2022 | 17 Mar 2022 | 811-22535 |
| 4 | Open Document | Open Filing | 4 | 28 Dec 2018 | 24 Dec 2018 | 811-22535 |
| 4 | Open Document | Open Filing | 4 | 28 Sep 2018 | 26 Sep 2018 | 811-22535 |
| 3 | Open Document | Open Filing | 3 | 01 Dec 2016 | 01 Dec 2016 | 811-23165 |
| 4 | Open Document | Open Filing | 4 | 02 Sep 2015 | 31 Aug 2015 | 811-22812 |
| 4 | Open Document | Open Filing | 4 | 02 Sep 2015 | 31 Aug 2015 | 811-22535 |
| 4 | Open Document | Open Filing | 4 | 26 Mar 2014 | 24 Mar 2014 | 811-22535 |
| 4 | Open Document | Open Filing | 4 | 26 Mar 2014 | 24 Mar 2014 | 811-22812 |
| 3 | Open Document | Open Filing | 3 | 24 Mar 2014 | 29 Jan 2014 | 811-22535 |
| 3 | Open Document | Open Filing | 3 | 24 Mar 2014 | 29 Jan 2014 | 811-22812 |