| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2025 | 14 Nov 2025 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2024 | 15 Nov 2024 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Nov 2023 | 27 Nov 2023 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Nov 2022 | 18 Nov 2022 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2021 | 17 Nov 2021 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2020 | 18 Nov 2020 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Sep 2020 | 28 Aug 2020 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jun 2020 | 04 Jun 2020 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2020 | 26 May 2020 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jan 2020 | 10 Jan 2020 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jan 2020 | 07 Jan 2020 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2020 | 03 Jan 2020 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Dec 2019 | 30 Nov 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Nov 2019 | 25 Nov 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2019 | 15 Nov 2019 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Sep 2019 | 23 Sep 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jul 2019 | 24 Jun 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jan 2019 | 11 Jan 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2019 | 03 Jan 2019 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2019 | 02 Jan 2019 | 000-07977 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Dec 2018 | 31 Oct 2018 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2018 | 30 Nov 2018 | 000-07977 |
| 4 | Open Document | Open Filing | 28 Nov 2018 | 26 Nov 2018 | 000-07977 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Nov 2018 | 23 Nov 2018 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Nov 2018 | 16 Nov 2018 | 001-36454 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jan 2018 | 12 Jan 2018 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2018 | 08 Jan 2018 | 000-07977 |
| 144 | Open Document | Open Filing | FORM 144 | 08 Jan 2018 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2018 | 03 Jan 2018 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Nov 2017 | 23 Nov 2017 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Nov 2017 | 20 Nov 2017 | 000-07977 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Nov 2017 | 17 Nov 2017 | 001-36454 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Apr 2017 | 17 Apr 2017 | 001-36454 |
| 3 | Open Document | Open Filing | FORM 3 | 05 Apr 2017 | 03 Apr 2017 | 001-36454 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jan 2017 | 10 Jan 2017 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2017 | 04 Jan 2017 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2017 | 03 Jan 2017 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2016 | 30 Nov 2016 | 000-07977 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Nov 2016 | 23 Nov 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2016 | 23 Nov 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2016 | 21 Nov 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2016 | 25 Aug 2016 | 000-07977 |
| 144 | Open Document | Open Filing | 144 | 25 Aug 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jun 2016 | 27 Jun 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2016 | 26 May 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2016 | 04 Jan 2016 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Dec 2015 | 28 Nov 2015 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Nov 2015 | 25 Nov 2015 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Nov 2015 | 23 Nov 2015 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Oct 2015 | 07 Oct 2015 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2015 | 02 Jan 2015 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2014 | 28 Nov 2014 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2014 | 25 Nov 2014 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Nov 2014 | 24 Nov 2014 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2014 | 28 May 2014 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2014 | 08 Jan 2014 | 000-07977 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jan 2014 | 03 Jan 2014 | 000-07977 |