| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2024 | 02 Jul 2024 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2024 | 07 May 2024 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2023 | 02 May 2023 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2022 | 03 May 2022 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2021 | 04 May 2021 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2020 | 06 May 2020 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jun 2019 | 21 Jun 2019 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2018 | 14 May 2018 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Mar 2018 | 23 Mar 2018 | 814-00061 |
| 4 | Open Document | Open Filing | FORM 4 - | 29 Jun 2017 | 28 Jun 2017 | 814-00061 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2017 | 02 Jun 2017 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Mar 2016 | 18 Mar 2016 | 814-00061 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2015 | 17 Dec 2015 | 814-00061 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Aug 2015 | 24 Aug 2015 | 814-00061 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Dec 2014 | 16 Dec 2014 | 000-20278 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2014 | 16 Dec 2014 | 814-00061 |