| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 28 Apr 2025 | 28 Apr 2025 | 000-26486 |
| 4 | Open Document | Open Filing | 4 | 06 Aug 2024 | 06 Aug 2024 | 000-26486 |
| 3 | Open Document | Open Filing | 3 | 12 Apr 2024 | 29 Mar 2024 | 000-26486 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2016 | 22 Apr 2016 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2015 | 22 Dec 2015 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2015 | 21 Dec 2015 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2015 | 06 Dec 2015 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Nov 2015 | 05 Nov 2015 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jul 2015 | 20 Jul 2015 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2015 | 26 Apr 2015 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2015 | 01 Mar 2015 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2014 | 19 Dec 2014 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Dec 2014 | 06 Dec 2014 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Nov 2014 | 25 Nov 2014 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Sep 2014 | 08 Sep 2014 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jul 2014 | 20 Jul 2014 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2014 | 26 Apr 2014 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Dec 2013 | 06 Dec 2013 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Nov 2013 | 08 Nov 2013 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Aug 2013 | 13 Aug 2013 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jul 2013 | 20 Jul 2013 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2013 | 03 May 2013 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Apr 2013 | 26 Apr 2013 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2012 | 29 Nov 2012 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Aug 2012 | 21 Aug 2012 | 001-32594 |
| 3/A | Open Document | Open Filing | FORM 3/A | 24 Jul 2012 | 18 Jun 2012 | 001-32594 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Jul 2012 | 20 Jul 2012 | 001-32594 |
| 3 | Open Document | Open Filing | FORM 3 | 27 Jun 2012 | 18 Jun 2012 | 001-32594 |