| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIPDOCUMENT | 16 May 2025 | 15 May 2025 | 001-11778 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2024 | 16 May 2024 | 001-11778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2023 | 17 May 2023 | 001-11778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 May 2022 | 19 May 2022 | 001-11778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2021 | 20 May 2021 | 001-11778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2020 | 20 May 2020 | 001-11778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2019 | 16 May 2019 | 001-11778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2018 | 17 May 2018 | 001-11778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2017 | 18 May 2017 | 001-11778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 May 2016 | 19 May 2016 | 001-11778 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jan 2016 | 14 Jan 2016 | 001-11778 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 19 Jan 2016 | 14 Jan 2016 | 001-11778 |
| 4 | Open Document | Open Filing | 19 Jan 2016 | 14 Jan 2016 | 001-08661 | |
| 4 | Open Document | Open Filing | 07 Jan 2016 | 05 Jan 2016 | 001-08661 | |
| 4 | Open Document | Open Filing | 07 Oct 2015 | 06 Oct 2015 | 001-08661 | |
| 4 | Open Document | Open Filing | 15 Jul 2015 | 14 Jul 2015 | 001-08661 | |
| 4 | Open Document | Open Filing | 30 Apr 2015 | 28 Apr 2015 | 001-08661 | |
| 4 | Open Document | Open Filing | 02 Apr 2015 | 01 Apr 2015 | 001-08661 | |
| 4 | Open Document | Open Filing | 07 Jan 2015 | 06 Jan 2015 | 001-08661 | |
| 4 | Open Document | Open Filing | 08 Oct 2014 | 07 Oct 2014 | 001-08661 | |
| 4 | Open Document | Open Filing | 16 Jul 2014 | 15 Jul 2014 | 001-08661 | |
| 4 | Open Document | Open Filing | 30 Apr 2014 | 29 Apr 2014 | 001-08661 | |
| 4 | Open Document | Open Filing | 02 Apr 2014 | 01 Apr 2014 | 001-08661 | |
| 4 | Open Document | Open Filing | 08 Jan 2014 | 07 Jan 2014 | 001-08661 | |
| 4 | Open Document | Open Filing | 09 Oct 2013 | 08 Oct 2013 | 001-08661 | |
| 4 | Open Document | Open Filing | 10 Jul 2013 | 09 Jul 2013 | 001-08661 | |
| 4 | Open Document | Open Filing | 01 May 2013 | 30 Apr 2013 | 001-08661 | |
| 4 | Open Document | Open Filing | 04 Apr 2013 | 02 Apr 2013 | 001-08661 | |
| 4 | Open Document | Open Filing | 09 Jan 2013 | 08 Jan 2013 | 001-08661 | |
| 4 | Open Document | Open Filing | 26 Dec 2012 | 21 Dec 2012 | 001-08661 | |
| 4 | Open Document | Open Filing | 10 Oct 2012 | 09 Oct 2012 | 001-08661 | |
| 4/A | Open Document | Open Filing | 16 Jul 2012 | 03 Apr 2012 | 001-08661 | |
| 4 | Open Document | Open Filing | 11 Jul 2012 | 10 Jul 2012 | 001-08661 | |
| 4 | Open Document | Open Filing | 14 Jun 2012 | 14 Jun 2012 | 001-08661 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2012 | 16 May 2012 | 001-16751 |
| 4 | Open Document | Open Filing | 02 May 2012 | 01 May 2012 | 001-08661 | |
| 4 | Open Document | Open Filing | 26 Apr 2012 | 24 Apr 2012 | 001-08661 | |
| 4 | Open Document | Open Filing | 04 Apr 2012 | 03 Apr 2012 | 001-08661 | |
| 4 | Open Document | Open Filing | 12 Jan 2012 | 10 Jan 2012 | 001-08661 |