| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 11 Sep 2025 | 09 Sep 2025 | 000-27130 |
| 4 | Open Document | Open Filing | 4 | 12 Sep 2024 | 10 Sep 2024 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jan 2024 | 05 Jan 2024 | 001-16435 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Sep 2023 | 12 Sep 2023 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2023 | 21 Jun 2023 | 001-16435 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Sep 2022 | 08 Sep 2022 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jun 2022 | 23 Jun 2022 | 001-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Sep 2021 | 09 Sep 2021 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jun 2021 | 24 Jun 2021 | 001-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Sep 2020 | 09 Sep 2020 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jun 2020 | 24 Jun 2020 | 001-16435 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jun 2020 | 15 Jun 2020 | 001-33089 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2020 | 28 Feb 2020 | 001-16435 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Sep 2019 | 11 Sep 2019 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jul 2019 | 27 Jun 2019 | 001-16435 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Jun 2019 | 17 Jun 2019 | 001-33089 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Sep 2018 | 13 Sep 2018 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jun 2018 | 21 Jun 2018 | 001-16435 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2018 | 15 Jun 2018 | 001-33089 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2017 | 15 Nov 2017 | 000-27130 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Nov 2017 | 09 Nov 2017 | 000-27130 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jun 2017 | 22 Jun 2017 | 001-16435 |
| 3 | Open Document | Open Filing | FORM 3 | 26 Jun 2017 | 22 Jun 2017 | 001-16435 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jun 2017 | 22 Jun 2017 | 001-33089 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2017 | 15 Mar 2017 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2017 | 07 Mar 2017 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Mar 2017 | 02 Mar 2017 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Mar 2017 | 28 Feb 2017 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2017 | 08 Feb 2017 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jul 2016 | 20 Jul 2016 | 001-36422 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Jun 2016 | 17 Jun 2016 | 001-33089 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jun 2016 | 20 Jun 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2016 | 20 May 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2016 | 28 Apr 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Mar 2016 | 29 Mar 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2016 | 15 Mar 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2016 | 22 Feb 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2016 | 17 Feb 2016 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Dec 2015 | 21 Dec 2015 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2015 | 20 Nov 2015 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Nov 2015 | 04 Nov 2015 | 001-36422 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Jun 2015 | 19 Jun 2015 | 001-33089 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Mar 2015 | 13 Mar 2015 | 001-36422 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jan 2015 | 07 Jan 2015 | 001-33089 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 09 Jan 2015 | 07 Jan 2015 | 001-33089 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Apr 2014 | 17 Apr 2014 | 001-36422 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Apr 2014 | 17 Apr 2014 | 001-36422 |