| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SCHEDULE 13D/A | Open Document | Open Filing | 09 May 2025 | |||
| SCHEDULE 13D/A | Open Document | Open Filing | 07 Mar 2025 | |||
| SCHEDULE 13D/A | Open Document | Open Filing | 05 Feb 2025 | |||
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 20 Nov 2024 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 10 Mar 2023 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 3 | 07 Jul 2022 | ||
| 4 | Open Document | Open Filing | 06 Jul 2022 | 06 Jul 2022 | 000-55911 | |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 01 Apr 2022 | ||
| 3 | Open Document | Open Filing | 01 Apr 2022 | 28 Mar 2022 | 000-26591 | |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 05 Aug 2021 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 14 Jul 2021 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 07 Jul 2021 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 10 Jun 2021 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 15 Jan 2021 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 14 Sep 2020 | ||
| SC 13D | Open Document | Open Filing | SC 13D | 30 Oct 2019 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 01 Jul 2019 | ||
| SC 13D/A | Open Document | Open Filing | 16 May 2019 | |||
| SC 13D/A | Open Document | Open Filing | 07 Sep 2018 | |||
| SC 13D | Open Document | Open Filing | 10 Apr 2018 | |||
| SC 13D | Open Document | Open Filing | 29 Mar 2018 | |||
| SC 13D/A | Open Document | Open Filing | 27 Mar 2018 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Mar 2018 | 23 Mar 2018 | 001-07939 |
| SC 13D/A | Open Document | Open Filing | 16 Mar 2018 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2018 | 14 Mar 2018 | 001-07939 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Mar 2018 | 12 Mar 2018 | 001-07939 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2018 | 08 Mar 2018 | 001-07939 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2018 | 05 Mar 2018 | 001-07939 |
| SC 13D/A | Open Document | Open Filing | 20 Dec 2017 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2017 | 15 Dec 2017 | 001-07939 |
| SC 13D/A | Open Document | Open Filing | 13 Nov 2017 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2017 | 07 Nov 2017 | 001-07939 |
| SC 13D/A | Open Document | Open Filing | 08 Aug 2017 | |||
| SC 13D/A | Open Document | Open Filing | 10 Jul 2017 | |||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2017 | 20 Apr 2017 | 001-07939 |
| SC 13D/A | Open Document | Open Filing | 25 Apr 2017 | |||
| SC 13D/A | Open Document | Open Filing | 07 Dec 2016 | |||
| SC 13D/A | Open Document | Open Filing | 20 May 2016 | |||
| SC 13D/A | Open Document | Open Filing | 12 May 2016 | |||
| SC 13D | Open Document | Open Filing | 18 Dec 2015 | |||
| SC 13D/A | Open Document | Open Filing | 06 Oct 2015 | |||
| SC 13D/A | Open Document | Open Filing | 09 Feb 2015 | |||
| SC 13D/A | Open Document | Open Filing | 28 Jan 2015 | |||
| SC 13D | Open Document | Open Filing | 01 Dec 2014 | |||
| SC 13D | Open Document | Open Filing | 30 Oct 2014 | |||
| SC 13D/A | Open Document | Open Filing | 01 Aug 2014 | |||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 23 Jun 2014 | ||
| SC 13D/A | Open Document | Open Filing | 23 Apr 2014 | |||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Apr 2014 | 09 Apr 2014 | 333-190348 |
| SC 13D/A | Open Document | Open Filing | 08 Apr 2014 |