| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SCHEDULE 13G/A | Open Document | Open Filing | 14 Feb 2025 | |||
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 09 Feb 2024 | ||
| 4 | Open Document | Open Filing | 14 Dec 2023 | 14 Dec 2023 | 000-06966 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 10 Feb 2023 | ||
| 4 | Open Document | Open Filing | 27 Dec 2022 | 23 Dec 2022 | 000-06966 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 11 Feb 2022 | ||
| 4 | Open Document | Open Filing | 03 Jan 2022 | 31 Dec 2021 | 000-06966 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 12 Feb 2021 | ||
| 4/A | Open Document | Open Filing | FORM 4/A - | 05 Feb 2021 | 30 Dec 2020 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | 19 Jan 2021 | 30 Dec 2020 | 000-06966 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Jun 2020 | 23 Jun 2020 | 000-06966 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 25 Jun 2020 | 23 Jun 2020 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | 25 Jun 2020 | 24 Jun 2020 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 May 2020 | 15 May 2020 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 May 2020 | 13 May 2020 | 000-06966 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 May 2020 | 11 May 2020 | 000-06966 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 08 Nov 2019 | 07 Nov 2019 | 000-06966 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Feb 2019 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2019 | 28 Dec 2018 | 000-06966 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Feb 2018 | ||
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2017 | 13 Dec 2017 | 000-06966 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2017 | 14 Dec 2017 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Dec 2017 | 14 Dec 2017 | 000-06966 |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 29 | 13 Feb 2017 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Dec 2016 | 30 Dec 2016 | 000-06966 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 16 Feb 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2015 | 08 May 2015 | 000-06966 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2015 | 16 Feb 2015 | 000-06966 |
| SC 13G/A | Open Document | Open Filing | FORM SC 13G/A | 17 Feb 2015 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Mar 2014 | 27 Feb 2014 | 000-06966 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2014 |