| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2023 | 01 May 2023 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2022 | 02 May 2022 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2021 | 03 May 2021 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2020 | 06 May 2020 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 May 2020 | 04 May 2020 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2019 | 10 May 2019 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 May 2019 | 06 May 2019 | 001-10701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2018 | 10 May 2018 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2018 | 02 May 2018 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2017 | 02 May 2017 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 May 2016 | 04 May 2016 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2016 | 02 May 2016 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 May 2015 | 04 May 2015 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2014 | 01 May 2014 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Oct 2013 | 01 Aug 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2013 | 01 May 2013 | 000-16914 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 29 Jan 2013 | 22 Jan 2013 | 001-34004 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jan 2013 | 24 Jan 2013 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Dec 2012 | 13 Dec 2012 | 000-16914 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Aug 2012 | 01 Aug 2012 | 000-16914 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 03 Aug 2012 | 01 Aug 2012 | 000-16914 |