| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 29 Mar 2024 | 27 Mar 2024 | 000-14678 | |
| 144 | Open Document | Open Filing | 27 Mar 2024 | |||
| 4 | Open Document | Open Filing | 26 Mar 2024 | 22 Mar 2024 | 000-14678 | |
| 4 | Open Document | Open Filing | 14 Mar 2024 | 12 Mar 2024 | 000-14678 | |
| 4 | Open Document | Open Filing | 25 Aug 2023 | 23 Aug 2023 | 000-14678 | |
| 144 | Open Document | Open Filing | 23 Aug 2023 | |||
| 4 | Open Document | Open Filing | 21 Mar 2023 | 17 Mar 2023 | 000-14678 | |
| 4 | Open Document | Open Filing | 19 Jul 2022 | 15 Jul 2022 | 000-14678 | |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Mar 2022 | 18 Mar 2022 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Apr 2021 | 08 Apr 2021 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Mar 2021 | 19 Mar 2021 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 Mar 2021 | 17 Mar 2021 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Mar 2021 | 12 Mar 2021 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Mar 2021 | 10 Mar 2021 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Sep 2020 | 11 Sep 2020 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Aug 2020 | 24 Aug 2020 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 Mar 2020 | 13 Mar 2020 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 Mar 2020 | 13 Mar 2020 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Mar 2020 | 11 Mar 2020 | 000-14678 |
| 5 | Open Document | Open Filing | FORM 5 - | 06 Mar 2020 | 01 Feb 2020 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 17 Dec 2019 | 16 Dec 2019 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 21 Mar 2019 | 19 Mar 2019 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 19 Mar 2019 | 15 Mar 2019 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Mar 2019 | 13 Mar 2019 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Mar 2019 | 12 Mar 2019 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Mar 2018 | 21 Mar 2018 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Mar 2018 | 16 Mar 2018 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Mar 2018 | 14 Mar 2018 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Mar 2018 | 12 Mar 2018 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Oct 2017 | 04 Oct 2017 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Sep 2017 | 18 Sep 2017 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Apr 2017 | 07 Apr 2017 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Mar 2017 | 14 Mar 2017 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Mar 2017 | 08 Mar 2017 | 000-14678 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Dec 2015 | 07 Dec 2015 | 000-14678 |
| 3 | Open Document | Open Filing | FORM 3 - | 08 Dec 2015 | 07 Dec 2015 | 000-14678 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2015 | 19 May 2015 | 000-20052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2015 | 19 May 2015 | 000-20052 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2015 | 06 Feb 2015 | 000-20052 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2015 | 30 Jan 2015 | 000-20052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2015 | 06 Feb 2015 | 000-20052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2015 | 30 Jan 2015 | 000-20052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2014 | 28 May 2014 | 000-20052 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 23 May 2014 | 06 May 2014 | 000-20052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2014 | 06 May 2014 | 000-20052 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2014 | 31 Jan 2014 | 000-20052 |