| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A | 29 Aug 2025 | 09 May 2025 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2025 | 08 May 2025 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2024 | 09 May 2024 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2023 | 05 May 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2022 | 06 May 2022 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2022 | 02 May 2022 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2021 | 07 May 2021 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2021 | 03 May 2021 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 May 2020 | 13 May 2020 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2020 | 01 May 2020 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2020 | 26 Feb 2020 | 000-21964 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2019 | 14 May 2019 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2019 | 01 May 2019 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Mar 2019 | 12 Mar 2019 | 000-21964 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 May 2018 | 11 May 2018 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2018 | 02 Mar 2018 | 000-21964 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2018 | 01 Mar 2018 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2017 | 09 Mar 2017 | 000-21964 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2017 | 07 Mar 2017 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2017 | 02 Mar 2017 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2016 | 10 Mar 2016 | 000-21964 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2016 | 04 Mar 2016 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2016 | 01 Mar 2016 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Mar 2015 | 18 Mar 2015 | 000-21964 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2015 | 02 Mar 2015 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2014 | 03 Mar 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Feb 2014 | 19 Feb 2014 | 000-20557 |