| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2024 | 09 May 2024 | 001-31993 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2023 | 03 May 2023 | 001-31993 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2022 | 04 May 2022 | 001-31993 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2021 | 05 May 2021 | 001-31993 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2020 | 06 May 2020 | 001-31993 |
| 4 | Open Document | Open Filing | FORM 4 | 09 May 2019 | 08 May 2019 | 001-31993 |
| 3 | Open Document | Open Filing | FORM 3 | 01 Aug 2018 | 31 Jul 2018 | 001-31993 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Aug 2018 | 31 Jul 2018 | 001-31993 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Oct 2017 | 19 Oct 2017 | 001-09788 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2017 | 16 Feb 2017 | 001-09788 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2016 | 22 Feb 2016 | 001-09788 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT - THOMAS M WHITE | 11 Mar 2015 | 10 Mar 2015 | 001-09788 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT - THOMAS M WHITE | 25 Feb 2014 | 24 Feb 2014 | 001-09788 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Apr 2013 | 17 Apr 2013 | 001-35872 |
| 3 | Open Document | Open Filing | FORM 3 | 11 Apr 2013 | 11 Apr 2013 | 001-35872 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT - THOMAS M. WHITE - 2/22/13 | 22 Feb 2013 | 22 Feb 2013 | 001-09788 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2013 | 02 Jan 2013 | 000-24180 |
| 4 | Open Document | Open Filing | 30 Nov 2012 | 28 Nov 2012 | 000-24180 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Aug 2012 | 09 Aug 2012 | 000-24180 |
| 4 | Open Document | Open Filing | JULY 2, 2012 GRANT | 05 Jul 2012 | 02 Jul 2012 | 000-24180 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Feb 2012 | 09 Feb 2012 | 001-09788 |
| 4 | Open Document | Open Filing | 04 Jan 2012 | 03 Jan 2012 | 000-24180 |