| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 17 Aug 2023 | 15 Aug 2023 | 001-10551 | |
| 4 | Open Document | Open Filing | 12 Jun 2023 | 08 Jun 2023 | 001-10551 | |
| 144 | Open Document | Open Filing | 08 Jun 2023 | |||
| 4 | Open Document | Open Filing | 19 May 2023 | 15 May 2023 | 001-10551 | |
| 4 | Open Document | Open Filing | 17 May 2023 | 15 May 2023 | 001-10551 | |
| 4 | Open Document | Open Filing | 03 May 2023 | 01 May 2023 | 001-10551 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Feb 2023 | 16 Feb 2023 | 001-10551 |
| 4 | Open Document | Open Filing | 17 Aug 2022 | 15 Aug 2022 | 001-10551 | |
| 4 | Open Document | Open Filing | 17 May 2022 | 13 May 2022 | 001-10551 | |
| 4 | Open Document | Open Filing | 04 May 2022 | 02 May 2022 | 001-10551 | |
| 4 | Open Document | Open Filing | 17 Mar 2022 | 15 Mar 2022 | 001-10551 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2021 | 15 Aug 2021 | 001-10551 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2021 | 14 May 2021 | 001-10551 |
| 4 | Open Document | Open Filing | 05 May 2021 | 03 May 2021 | 001-10551 | |
| 4 | Open Document | Open Filing | 17 Mar 2021 | 15 Mar 2021 | 001-10551 | |
| 4 | Open Document | Open Filing | 18 Aug 2020 | 15 Aug 2020 | 001-10551 | |
| 4 | Open Document | Open Filing | 19 May 2020 | 15 May 2020 | 001-10551 | |
| 4 | Open Document | Open Filing | 01 May 2020 | 29 Apr 2020 | 001-10551 | |
| 4 | Open Document | Open Filing | 17 Mar 2020 | 13 Mar 2020 | 001-10551 | |
| 4 | Open Document | Open Filing | 19 Aug 2019 | 15 Aug 2019 | 001-10551 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 May 2019 | 15 May 2019 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Apr 2019 | 18 Apr 2019 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Mar 2019 | 14 Mar 2019 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Oct 2018 | 19 Oct 2018 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jul 2018 | 15 Jul 2018 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 May 2018 | 15 May 2018 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Apr 2018 | 13 Apr 2018 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Mar 2018 | 15 Mar 2018 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Mar 2018 | 13 Mar 2018 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Jul 2017 | 15 Jul 2017 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 May 2017 | 15 May 2017 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Apr 2017 | 15 Apr 2017 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 21 Mar 2017 | 17 Mar 2017 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Jan 2017 | 15 Jan 2017 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Jul 2016 | 15 Jul 2016 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Jul 2016 | 30 Jun 2016 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Apr 2016 | 15 Apr 2016 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Apr 2016 | 11 Apr 2016 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jan 2016 | 15 Jan 2016 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jul 2015 | 15 Jul 2015 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jul 2015 | 30 Jun 2015 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Apr 2015 | 01 Apr 2015 | 001-10551 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Jan 2015 | 15 Jan 2015 | 001-10551 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Dec 2014 | 08 Dec 2014 | 001-10551 |