| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 10 Dec 2021 | 10 Dec 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 | OWNERSHIP DOCUMENT | 06 Jun 2019 | 04 Jun 2019 | 001-04383 |
| 4 | Open Document | Open Filing | 27 Feb 2019 | 25 Feb 2019 | 001-04383 | |
| 4 | Open Document | Open Filing | 21 Feb 2019 | 19 Feb 2019 | 001-04383 | |
| 4/A | Open Document | Open Filing | 11 Feb 2019 | 07 Dec 2018 | 001-04383 | |
| 4 | Open Document | Open Filing | 11 Dec 2018 | 07 Dec 2018 | 001-04383 | |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2018 | 18 May 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 | 16 Oct 2017 | 001-04383 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jan 2017 | 30 Dec 2016 | 001-04383 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Dec 2016 | 02 Dec 2016 | 001-04383 |
| 4 | Open Document | Open Filing | 03 May 2016 | 02 May 2016 | 001-04383 | |
| 4 | Open Document | Open Filing | 01 Mar 2016 | 26 Feb 2016 | 001-04383 | |
| 4 | Open Document | Open Filing | 18 Dec 2015 | 16 Dec 2015 | 001-04383 | |
| 4 | Open Document | Open Filing | 16 Dec 2015 | 14 Dec 2015 | 001-04383 | |
| 4 | Open Document | Open Filing | 16 Jun 2015 | 12 Jun 2015 | 001-04383 | |
| 4 | Open Document | Open Filing | 08 Jan 2015 | 07 Jan 2015 | 001-04383 |