| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Sep 2022 | 01 Sep 2022 | 001-38659 | |
| 4 | Open Document | Open Filing | 24 Aug 2022 | 22 Aug 2022 | 001-38659 | |
| 4 | Open Document | Open Filing | 08 Apr 2022 | 30 Mar 2022 | 001-38659 | |
| 4 | Open Document | Open Filing | 24 May 2021 | 21 May 2021 | 001-38659 | |
| 4 | Open Document | Open Filing | 05 Jan 2021 | 04 Jan 2021 | 001-38659 | |
| 4 | Open Document | Open Filing | 02 Dec 2020 | 01 Dec 2020 | 001-38659 | |
| 4 | Open Document | Open Filing | 19 Mar 2020 | 19 Mar 2020 | 001-38659 | |
| 4 | Open Document | Open Filing | 16 Mar 2020 | 16 Mar 2020 | 001-38659 | |
| 4 | Open Document | Open Filing | 21 Jan 2020 | 16 Jan 2020 | 001-38659 | |
| 4 | Open Document | Open Filing | 16 Dec 2019 | 12 Dec 2019 | 001-38659 | |
| 4/A | Open Document | Open Filing | 08 Nov 2019 | 06 Nov 2019 | 001-38659 | |
| 4/A | Open Document | Open Filing | 08 Nov 2019 | 05 Nov 2019 | 001-38659 | |
| 4 | Open Document | Open Filing | 06 Nov 2019 | 06 Nov 2019 | 001-38659 | |
| 4 | Open Document | Open Filing | 05 Nov 2019 | 05 Nov 2019 | 001-38659 | |
| 4 | Open Document | Open Filing | 05 Jul 2019 | 02 Jul 2019 | 001-38659 | |
| 4 | Open Document | Open Filing | 24 Jan 2019 | 07 Jan 2019 | 001-38659 | |
| 4 | Open Document | Open Filing | 23 Nov 2018 | 21 Nov 2018 | 001-38659 | |
| 4 | Open Document | Open Filing | 20 Aug 2018 | 20 Aug 2018 | 000-55473 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Jun 2018 | 31 May 2018 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 May 2018 | 04 May 2018 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Apr 2018 | 29 Mar 2018 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Mar 2018 | 13 Mar 2018 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Mar 2018 | 07 Mar 2018 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Mar 2018 | 01 Mar 2018 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Dec 2017 | 21 Dec 2017 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Nov 2017 | 08 Nov 2017 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Aug 2017 | 22 Aug 2017 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jun 2016 | 04 May 2016 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 May 2016 | 19 May 2016 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jan 2016 | 06 Jan 2016 | 000-55473 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 31 Dec 2015 | 15 Dec 2015 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Dec 2015 | 24 Dec 2015 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Dec 2015 | 18 Dec 2015 | 000-55473 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Dec 2015 | 15 Dec 2015 | 000-55473 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jul 2015 | 20 Jul 2015 | 000-55473 |