| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 12 Feb 2024 | 09 Feb 2024 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Feb 2023 | 10 Feb 2023 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2022 | 22 Feb 2022 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2021 | 26 Feb 2021 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2020 | 26 Feb 2020 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2019 | 27 Feb 2019 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2018 | 12 Feb 2018 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2017 | 22 Feb 2017 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Feb 2016 | 24 Feb 2016 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Aug 2015 | 21 Aug 2015 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Aug 2015 | 13 Aug 2015 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | 000-14549 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2014 | 13 Nov 2014 | 000-14549 |
| 3 | Open Document | Open Filing | FORM 3 | 07 Nov 2014 | 31 Oct 2014 | 000-14549 |