| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2025 | 01 Jul 2025 | 000-21044 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2025 | 02 May 2025 | 000-21044 |
| 3 | Open Document | Open Filing | FORM 3 | 05 May 2025 | 02 May 2025 | 000-21044 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2023 | 19 Feb 2023 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2023 | 01 Mar 2023 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2022 | 17 Jun 2022 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2022 | 14 Mar 2022 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2022 | 19 Feb 2022 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2022 | 21 Feb 2022 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2021 | 17 Jun 2021 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2021 | 21 Feb 2021 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2021 | 19 Feb 2021 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jul 2020 | 17 Jun 2020 | 000-23081 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2020 | 21 Feb 2020 | 000-23081 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2019 | 17 Jun 2019 | 000-23081 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2019 | 17 Jun 2019 | 000-23081 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2019 | 01 Feb 2019 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2018 | 09 May 2018 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2017 | 11 May 2017 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Nov 2016 | 04 Nov 2016 | 000-12853 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Oct 2016 | 03 Oct 2016 | 000-12853 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Oct 2016 | 03 Oct 2016 | 000-12853 |
| 4/A | Open Document | Open Filing | 4/A | 15 Mar 2016 | 05 Feb 2016 | 000-51072 |
| 4/A | Open Document | Open Filing | 4/A | 15 Mar 2016 | 03 Feb 2016 | 000-51072 |
| 4/A | Open Document | Open Filing | 4/A | 15 Mar 2016 | 31 Jan 2016 | 000-51072 |
| 4 | Open Document | Open Filing | 4 | 09 Feb 2016 | 05 Feb 2016 | 000-51072 |
| 4 | Open Document | Open Filing | 4 | 05 Feb 2016 | 03 Feb 2016 | 000-51072 |
| 4 | Open Document | Open Filing | 4 | 01 Feb 2016 | 31 Jan 2016 | 000-51072 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2015 | 31 May 2015 | 001-15755 |
| 4 | Open Document | Open Filing | 4 | 10 Feb 2015 | 06 Feb 2015 | 000-51072 |
| 4 | Open Document | Open Filing | 4 | 09 Feb 2015 | 06 Feb 2015 | 000-51072 |
| 4 | Open Document | Open Filing | 4 | 03 Feb 2015 | 30 Jan 2015 | 000-51072 |
| 4 | Open Document | Open Filing | 4 | 08 Jul 2014 | 07 Jul 2014 | 000-51072 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 May 2014 | 06 May 2014 | 001-15755 |
| 4 | Open Document | Open Filing | 4 | 11 Feb 2014 | 07 Feb 2014 | 000-51072 |
| 4 | Open Document | Open Filing | 4 | 04 Feb 2014 | 31 Jan 2014 | 000-51072 |