| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 24 Feb 2025 | 20 Feb 2025 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2025 | 12 Feb 2025 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2025 | 04 Feb 2025 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jan 2025 | 07 Jan 2025 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2024 | 30 Jan 2024 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2024 | 03 Jan 2024 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2023 | 16 Jun 2023 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2023 | 01 Feb 2023 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jun 2022 | 13 Jun 2022 | 000-18051 |
| 3 | Open Document | Open Filing | FORM 3 | 15 Jun 2022 | 13 Jun 2022 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Sep 2018 | 06 Sep 2018 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Sep 2018 | 30 Aug 2018 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Aug 2018 | 16 Aug 2018 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jul 2018 | 11 Jul 2018 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jun 2018 | 13 Jun 2018 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Sep 2017 | 21 Sep 2017 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Sep 2017 | 31 Aug 2017 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2017 | 10 Feb 2017 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Aug 2016 | 25 Aug 2016 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2016 | 16 Aug 2016 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Aug 2015 | 27 Aug 2015 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Aug 2015 | 11 Aug 2015 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2015 | 20 Feb 2015 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Nov 2014 | 05 Nov 2014 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Sep 2014 | 28 Aug 2014 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Aug 2014 | 18 Aug 2014 | 001-10275 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Aug 2014 | 12 Aug 2014 | 001-10275 |