| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2025 | 14 May 2025 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2024 | 15 May 2024 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2023 | 17 May 2023 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2022 | 18 May 2022 | 001-13447 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Oct 2021 | 06 Oct 2021 | 811-23651 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2021 | 19 May 2021 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2020 | 20 May 2020 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 10 Jan 2020 | 31 Dec 2019 | 001-13447 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Aug 2019 | 27 Aug 2019 | 811-23330 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2019 | 22 May 2019 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 18 Jan 2019 | 31 Dec 2018 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 25 May 2018 | 23 May 2018 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 05 Jan 2018 | 31 Dec 2017 | 001-13447 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2017 | 26 Oct 2017 | 811-23014 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Aug 2017 | 17 Aug 2017 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2017 | 25 May 2017 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 13 Jan 2017 | 31 Dec 2016 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2016 | 26 May 2016 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 12 Feb 2016 | 31 Dec 2015 | 001-13447 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2015 | 30 Apr 2015 | 811-22784 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2015 | 30 Apr 2015 | 811-05652 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2015 | 21 May 2015 | 001-13447 |
| 5 | Open Document | Open Filing | FORM 5 | 12 Feb 2015 | 31 Dec 2014 | 001-13447 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2014 | 22 May 2014 | 001-13447 |
| 3 | Open Document | Open Filing | FORM 3 | 27 May 2014 | 22 May 2014 | 001-13447 |