| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Feb 2023 | 02 Feb 2023 | 001-16501 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Feb 2022 | 03 Feb 2022 | 001-16501 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Jun 2021 | 08 Jun 2021 | 001-16501 |
| 4 | Open Document | Open Filing | 4 | 08 Feb 2021 | 04 Feb 2021 | 001-16501 |
| 4 | Open Document | Open Filing | 4 | 17 Mar 2020 | 13 Mar 2020 | 001-16501 |
| 4 | Open Document | Open Filing | 4 | 09 Mar 2020 | 05 Mar 2020 | 001-16501 |
| 4 | Open Document | Open Filing | 4 | 24 Jan 2019 | 22 Jan 2019 | 001-16501 |
| 4 | Open Document | Open Filing | 4 | 10 Dec 2018 | 19 Nov 2018 | 001-16501 |
| 4 | Open Document | Open Filing | 4 | 18 May 2018 | 16 May 2018 | 001-16501 |
| 4 | Open Document | Open Filing | 4 | 17 Apr 2018 | 16 Apr 2018 | 001-16501 |
| 3 | Open Document | Open Filing | 3 | 19 Oct 2015 | 08 Oct 2015 | 001-16501 |
| 4 | Open Document | Open Filing | 11 Feb 2015 | 09 Feb 2015 | 001-32141 | |
| 4 | Open Document | Open Filing | 05 Dec 2014 | 03 Dec 2014 | 001-32141 | |
| 4 | Open Document | Open Filing | 04 Sep 2014 | 03 Sep 2014 | 001-32141 | |
| 4 | Open Document | Open Filing | 05 Jun 2014 | 04 Jun 2014 | 001-32141 | |
| 4 | Open Document | Open Filing | 07 Mar 2014 | 05 Mar 2014 | 001-32141 | |
| 4 | Open Document | Open Filing | 26 Feb 2014 | 24 Feb 2014 | 001-32141 | |
| 4 | Open Document | Open Filing | 11 Feb 2014 | 09 Feb 2014 | 001-32141 | |
| 4 | Open Document | Open Filing | 07 Feb 2014 | 05 Feb 2014 | 001-32141 |