| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Mar 2025 | 03 Mar 2025 | 000-26850 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 May 2024 | 30 Apr 2024 | 000-26850 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 27 Apr 2023 | 25 Apr 2023 | 000-26850 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Apr 2022 | 26 Apr 2022 | 000-26850 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Dec 2021 | 03 Dec 2021 | 000-26850 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Mar 2021 | 01 Mar 2021 | 000-26850 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Mar 2020 | 02 Mar 2020 | 000-26850 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Feb 2020 | 31 Jan 2020 | 000-24399 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Feb 2020 | 31 Jan 2020 | 000-26850 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Feb 2020 | 31 Jan 2020 | 000-26850 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jan 2020 | 25 Nov 2019 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Oct 2019 | 03 Oct 2019 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jul 2019 | 03 Jul 2019 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Apr 2019 | 04 Apr 2019 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2019 | 03 Jan 2019 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Oct 2018 | 04 Oct 2018 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jul 2018 | 05 Jul 2018 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Jun 2018 | 25 Jun 2018 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jun 2018 | 20 Jun 2018 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Apr 2018 | 05 Apr 2018 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2018 | 04 Jan 2018 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Oct 2017 | 05 Oct 2017 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jul 2017 | 06 Jul 2017 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jun 2017 | 27 Jun 2017 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2017 | 06 Jun 2017 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Apr 2017 | 06 Apr 2017 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jan 2017 | 05 Jan 2017 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Oct 2016 | 06 Oct 2016 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jul 2016 | 07 Jul 2016 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Apr 2016 | 07 Apr 2016 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jan 2016 | 07 Jan 2016 | 000-24399 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 07 Oct 2015 | 01 Oct 2015 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Oct 2015 | 01 Oct 2015 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Jul 2015 | 28 Jul 2015 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2015 | 02 Jul 2015 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Apr 2015 | 02 Apr 2015 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jan 2015 | 08 Jan 2015 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Oct 2014 | 02 Oct 2014 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jul 2014 | 03 Jul 2014 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 May 2014 | 01 May 2014 | 000-24399 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Apr 2014 | 03 Apr 2014 | 000-24399 |
| 4 | Open Document | Open Filing | MAIN DOCUMENT DESCRIPTION | 06 Jan 2014 | 02 Jan 2014 | 000-24399 |