| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 08 Dec 2025 | 04 Dec 2025 | 001-33883 | |
| 3 | Open Document | Open Filing | 24 Sep 2025 | 16 Sep 2025 | 001-33883 | |
| 4 | Open Document | Open Filing | 4 | 05 Jun 2025 | 03 Jun 2025 | 000-07099 |
| 4 | Open Document | Open Filing | 06 Dec 2024 | 05 Dec 2024 | 001-33883 | |
| 4 | Open Document | Open Filing | 4 | 22 May 2024 | 20 May 2024 | 000-07099 |
| 4 | Open Document | Open Filing | 11 Dec 2023 | 07 Dec 2023 | 001-33883 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2023 | 05 Jun 2023 | 000-07099 |
| 4 | Open Document | Open Filing | 13 Dec 2022 | 09 Dec 2022 | 001-33883 | |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2022 | 30 Sep 2022 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jul 2022 | 27 Jul 2022 | 001-05742 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jul 2022 | 11 Jul 2022 | 000-07099 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 11 Jul 2022 | 11 Jul 2022 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Jan 2022 | 03 Jan 2022 | 001-33883 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Dec 2021 | 21 Dec 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Sep 2021 | 24 Sep 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jul 2021 | 07 Jul 2021 | 001-05742 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2021 | 01 Jul 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jun 2021 | 25 Jun 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Mar 2021 | 26 Mar 2021 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Jan 2021 | 04 Jan 2021 | 001-33883 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2020 | 22 Dec 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Nov 2020 | 02 Nov 2020 | 000-27084 |
| 3 | Open Document | Open Filing | FORM 3 | 23 Oct 2020 | 21 Oct 2020 | 000-27084 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jul 2020 | 08 Jul 2020 | 001-05742 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jun 2020 | 09 Jun 2020 | 001-12273 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 14 Apr 2020 | 10 Jan 2018 | 001-33883 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Jan 2020 | 02 Jan 2020 | 001-33883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jul 2019 | 17 Jul 2019 | 001-05742 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Jun 2019 | 17 Jun 2019 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jun 2019 | 11 Jun 2019 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2019 | 20 Feb 2019 | 001-05742 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Jan 2019 | 02 Jan 2019 | 001-33883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Nov 2018 | 26 Nov 2018 | 001-12273 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 09 Nov 2018 | 30 Oct 2018 | 001-05742 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Oct 2018 | 05 Oct 2018 | 001-14379 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jul 2018 | 30 Jul 2018 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2018 | 05 Jun 2018 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2018 | 14 May 2018 | 001-14379 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Jan 2018 | 10 Jan 2018 | 001-33883 |
| 3 | Open Document | Open Filing | FORM 3 - | 11 Jan 2018 | 10 Jan 2018 | 001-33883 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Nov 2017 | 31 Oct 2017 | 001-12273 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 15 Sep 2017 | 11 Sep 2017 | 001-14379 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jun 2017 | 09 Jun 2017 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Aug 2016 | 01 Aug 2016 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2016 | 31 May 2016 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2015 | 01 Jun 2015 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2015 | 21 May 2015 | 000-25837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 May 2014 | 22 May 2014 | 000-25837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 May 2014 | 22 May 2014 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Nov 2013 | 04 Nov 2013 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2013 | 25 May 2013 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 KNOWLING | 28 May 2013 | 23 May 2013 | 000-25837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2013 | 01 Mar 2013 | 001-12273 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2012 | 01 Oct 2012 | 000-26299 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2012 | 05 Jun 2012 | 001-12273 |
| 4 | Open Document | Open Filing | FORM 4 - KNOWLING | 29 May 2012 | 24 May 2012 | 000-25837 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Apr 2012 | 31 Jan 2011 | 001-12273 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2012 | 14 Mar 2012 | 000-26299 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jan 2012 | 31 Jan 2012 | 000-26299 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2012 | 20 Jan 2012 | 000-26299 |