| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 04 Jun 2025 | 02 Jun 2025 | 000-24649 | |
| 4 | Open Document | Open Filing | 01 Nov 2024 | 30 Oct 2024 | 000-24649 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 14 Feb 2024 | ||
| 4 | Open Document | Open Filing | 02 Aug 2023 | 31 Jul 2023 | 000-24649 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 14 Feb 2022 | ||
| 5 | Open Document | Open Filing | FORM 5 - | 14 Feb 2022 | 31 Dec 2021 | 000-24649 |
| 5 | Open Document | Open Filing | FORM 5 - | 14 Feb 2022 | 31 Dec 2021 | 000-24649 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 14 Feb 2022 | 27 Sep 2021 | 000-24649 |
| 4 | Open Document | Open Filing | FORM 4 - | 29 Sep 2021 | 27 Sep 2021 | 000-24649 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Jun 2021 | 21 Jun 2021 | 000-24649 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 Jun 2021 | 15 Jun 2021 | 000-24649 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Jun 2021 | 10 Jun 2021 | 000-24649 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 May 2021 | 05 Feb 2021 | 000-24649 |
| SC 13D | Open Document | Open Filing | SC 13D | 16 Feb 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jan 2021 | 06 Jan 2021 | 000-24649 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2020 | 02 Mar 2020 | 000-24649 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 11 Jul 2019 | 09 Jul 2019 | 000-24649 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Apr 2019 | 24 Apr 2019 | 000-24649 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Mar 2019 | 01 Mar 2019 | 000-24649 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 16 Nov 2018 | 14 Nov 2018 | 000-24649 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 16 Nov 2017 | 14 Nov 2017 | 000-24649 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2017 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 16 Feb 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 30 Oct 2015 | 28 Oct 2015 | 000-24649 |
| 4 | Open Document | Open Filing | FORM 4 - | 29 Apr 2015 | 24 Apr 2015 | 000-24649 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 17 Feb 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 18 Sep 2014 | 16 Sep 2014 | 000-24649 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Feb 2014 |