| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | 11 Dec 2025 | 09 Sep 2025 | 000-33411 | |
| 4 | Open Document | Open Filing | 11 Dec 2025 | 10 Dec 2025 | 000-33411 | |
| 4 | Open Document | Open Filing | 10 Nov 2025 | 06 Nov 2025 | 000-33411 | |
| 4 | Open Document | Open Filing | 04 Sep 2025 | 03 Sep 2025 | 000-33411 | |
| 4 | Open Document | Open Filing | 29 May 2025 | 28 May 2025 | 000-33411 | |
| 4 | Open Document | Open Filing | 01 May 2025 | 30 Apr 2025 | 000-33411 | |
| 4 | Open Document | Open Filing | 17 Mar 2025 | 14 Mar 2025 | 000-33411 | |
| 4 | Open Document | Open Filing | 12 Feb 2025 | 11 Feb 2025 | 000-33411 | |
| 4 | Open Document | Open Filing | 13 Dec 2024 | 11 Dec 2024 | 000-33411 | |
| 4 | Open Document | Open Filing | 06 Dec 2024 | 06 Dec 2024 | 000-33411 | |
| 4 | Open Document | Open Filing | 07 Nov 2024 | 06 Nov 2024 | 000-33411 | |
| 4 | Open Document | Open Filing | 09 May 2024 | 06 May 2024 | 000-33411 | |
| 4 | Open Document | Open Filing | 15 Mar 2024 | 13 Mar 2024 | 000-33411 | |
| 4 | Open Document | Open Filing | 02 Feb 2024 | 01 Feb 2024 | 000-33411 | |
| 4 | Open Document | Open Filing | 13 Dec 2023 | 08 Dec 2023 | 000-33411 | |
| 4 | Open Document | Open Filing | 15 Nov 2023 | 13 Nov 2023 | 000-33411 | |
| 4 | Open Document | Open Filing | 04 May 2023 | 03 May 2023 | 000-33411 | |
| 4 | Open Document | Open Filing | 08 Mar 2023 | 06 Mar 2023 | 000-33411 | |
| 4 | Open Document | Open Filing | 21 Feb 2023 | 30 Nov 2022 | 000-33411 | |
| 4 | Open Document | Open Filing | 07 Jun 2022 | 13 May 2022 | 000-33411 | |
| 4 | Open Document | Open Filing | 18 Mar 2022 | 15 Mar 2022 | 000-33411 | |
| 4 | Open Document | Open Filing | 17 Nov 2021 | 10 Nov 2021 | 000-33411 | |
| 4 | Open Document | Open Filing | 09 Sep 2021 | 01 Sep 2021 | 000-33411 | |
| 4 | Open Document | Open Filing | 31 Aug 2021 | 11 Aug 2021 | 000-33411 | |
| 4 | Open Document | Open Filing | 28 May 2021 | 27 May 2021 | 000-33411 | |
| 4 | Open Document | Open Filing | 14 May 2021 | 12 May 2021 | 000-33411 | |
| 4 | Open Document | Open Filing | 30 Oct 2020 | 28 Oct 2020 | 000-33411 | |
| 4/A | Open Document | Open Filing | 31 Aug 2020 | 04 Sep 2019 | 000-33411 | |
| 4 | Open Document | Open Filing | 29 May 2020 | 27 May 2020 | 000-33411 | |
| 4 | Open Document | Open Filing | 18 Dec 2019 | 09 Dec 2019 | 000-33411 | |
| 4 | Open Document | Open Filing | 09 Dec 2019 | 02 Dec 2019 | 000-33411 | |
| 4 | Open Document | Open Filing | 26 Nov 2019 | 21 Nov 2019 | 000-33411 | |
| 4 | Open Document | Open Filing | 05 Sep 2019 | 04 Sep 2019 | 000-33411 | |
| 4 | Open Document | Open Filing | 17 Jun 2019 | 13 Jun 2019 | 000-33411 | |
| 4 | Open Document | Open Filing | 30 May 2019 | 29 May 2019 | 000-33411 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2018 | 16 Mar 2018 | 000-33411 |
| SC 13D/A | Open Document | Open Filing | 14 Feb 2018 | |||
| SC 13D/A | Open Document | Open Filing | 14 Feb 2018 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2017 | 18 Dec 2017 | 000-33411 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Nov 2017 | 10 Nov 2017 | 000-33411 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 01 Feb 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Dec 2015 | 22 Dec 2015 | 000-33411 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D AMENDMENT NO. 5 | 03 Nov 2015 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Oct 2015 | 22 Oct 2015 | 000-33411 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D AMENDMENT NO.4 | 24 Oct 2014 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Oct 2014 | 10 Oct 2014 | 000-33411 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D AMENDMENT NO. 3 | 06 Jun 2014 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2014 | 27 May 2014 | 000-33411 |