| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 15 Aug 2025 | 16 Jun 2025 | 000-55517 |
| 4 | Open Document | Open Filing | 27 Feb 2025 | 26 Feb 2024 | 000-55517 | |
| 4 | Open Document | Open Filing | 01 Mar 2023 | 27 Feb 2023 | 000-55517 | |
| 4 | Open Document | Open Filing | 22 Aug 2022 | 22 Mar 2019 | 000-55517 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Oct 2018 | 23 Jul 2018 | 000-55517 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2018 | 30 Nov 2017 | 000-55517 |
| SC 13D | Open Document | Open Filing | PUREBASE SCHEDULE 13D FOR A. SCOTT DOCKTER, 11.01.16 | 05 May 2017 | ||
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2017 | 30 Nov 2016 | 000-55517 |
| SC 13G | Open Document | Open Filing | PUREBASE SCHEDULE 13G FOR SCOTT DOCKTER, 09.25.15 | 03 Feb 2016 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Oct 2015 | 25 Sep 2015 | 000-55517 |