| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 11 Jun 2021 | 20 May 2021 | 001-12107 | |
| 4 | Open Document | Open Filing | 03 May 2021 | 29 Apr 2021 | 001-12107 | |
| 4/A | Open Document | Open Filing | 08 Dec 2020 | 25 Nov 2020 | 001-12107 | |
| 4 | Open Document | Open Filing | 27 Nov 2020 | 25 Nov 2020 | 001-12107 | |
| 4 | Open Document | Open Filing | 22 May 2020 | 20 May 2020 | 001-12107 | |
| 4 | Open Document | Open Filing | 14 Jun 2019 | 12 Jun 2019 | 001-12107 | |
| 4 | Open Document | Open Filing | 18 Jun 2018 | 14 Jun 2018 | 001-12107 | |
| 4 | Open Document | Open Filing | FORM 4 | 10 Oct 2017 | 06 Oct 2017 | 001-03822 |
| 4 | Open Document | Open Filing | 15 Jun 2017 | 15 Jun 2017 | 001-12107 | |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jan 2017 | 06 Jan 2017 | 001-03822 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jun 2016 | 23 Jun 2016 | 001-03822 |
| 4 | Open Document | Open Filing | 20 Jun 2016 | 16 Jun 2016 | 001-12107 | |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2016 | 29 Feb 2016 | 001-03822 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jan 2016 | 06 Jan 2016 | 001-03822 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2015 | 04 Dec 2015 | 001-03822 |
| 4 | Open Document | Open Filing | 22 Jun 2015 | 18 Jun 2015 | 001-12107 | |
| 4 | Open Document | Open Filing | 09 Mar 2015 | 05 Mar 2015 | 001-12107 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2015 | 07 Jan 2015 | 001-03822 |
| 4 | Open Document | Open Filing | 23 Jun 2014 | 19 Jun 2014 | 001-12107 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2014 | 05 Jun 2014 | 001-03822 |
| 4 | Open Document | Open Filing | 19 Mar 2014 | 18 Mar 2014 | 001-12107 | |
| 4 | Open Document | Open Filing | 26 Feb 2014 | 24 Feb 2014 | 001-12107 | |
| 3 | Open Document | Open Filing | 03 Feb 2014 | 27 Jan 2014 | 001-12107 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jan 2014 | 30 Dec 2013 | 001-03822 |