| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 04 Jan 2022 | 31 Dec 2021 | 001-04383 | |
| 4 | Open Document | Open Filing | 06 Jul 2021 | 01 Jul 2021 | 001-04383 | |
| 4 | Open Document | Open Filing | 23 Oct 2020 | 21 Oct 2020 | 001-04383 | |
| 4 | Open Document | Open Filing | 10 Dec 2019 | 06 Dec 2019 | 001-04383 | |
| 4 | Open Document | Open Filing | 11 Dec 2018 | 07 Dec 2018 | 001-04383 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Dec 2017 | 27 Dec 2017 | 001-04383 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Oct 2017 | 17 Oct 2017 | 001-04383 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Mar 2017 | 28 Mar 2017 | 001-04383 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Mar 2017 | 17 Mar 2017 | 001-04383 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Dec 2016 | 02 Dec 2016 | 001-04383 |
| 4 | Open Document | Open Filing | 29 Oct 2015 | 27 Oct 2015 | 001-04383 | |
| 4 | Open Document | Open Filing | 27 Oct 2015 | 23 Oct 2015 | 001-04383 | |
| 4 | Open Document | Open Filing | 23 Oct 2015 | 21 Oct 2015 | 001-04383 | |
| 4 | Open Document | Open Filing | 25 Jun 2015 | 24 Jun 2015 | 001-04383 | |
| 4 | Open Document | Open Filing | 16 Jun 2015 | 12 Jun 2015 | 001-04383 | |
| 3 | Open Document | Open Filing | 03 Feb 2015 | 02 Feb 2015 | 001-04383 |