| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2024 | 09 May 2024 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2023 | 12 May 2023 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Aug 2022 | 05 Aug 2022 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2022 | 13 May 2022 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2021 | 03 Jun 2021 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2021 | 14 May 2021 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Nov 2020 | 12 Nov 2020 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2020 | 13 May 2020 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Aug 2019 | 16 Aug 2019 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2019 | 16 May 2019 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2018 | 17 May 2018 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 May 2017 | 23 May 2017 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Apr 2017 | 13 Mar 2017 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2017 | 02 Mar 2017 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Aug 2016 | 23 Aug 2016 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Aug 2016 | 04 Aug 2016 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2016 | 24 May 2016 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 May 2015 | 22 May 2015 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 May 2014 | 20 May 2014 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2013 | 22 May 2013 | 000-26224 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 May 2012 | 17 May 2012 | 000-26224 |