| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 May 2023 | 10 Mar 2023 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2023 | 10 Mar 2023 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Feb 2023 | 21 Feb 2023 | 001-10447 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 09 Feb 2023 | 31 Dec 2022 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2022 | 28 Feb 2022 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Dec 2021 | 07 Dec 2021 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Oct 2021 | 01 Oct 2021 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2021 | 17 Feb 2021 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2021 | 31 Dec 2020 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2020 | 10 Feb 2020 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2020 | 03 Jan 2020 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Feb 2019 | 19 Feb 2019 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2019 | 03 Jan 2019 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Feb 2018 | 20 Feb 2018 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2018 | 03 Jan 2018 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Feb 2017 | 21 Feb 2017 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2017 | 05 Jan 2017 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Feb 2016 | 19 Feb 2016 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2016 | 17 Feb 2016 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2016 | 05 Jan 2016 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2015 | 30 Apr 2015 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2015 | 18 Feb 2015 | 001-10447 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2015 | 06 Jan 2015 | 001-10447 |
| 4 | Open Document | Open Filing | 4 | 21 Feb 2014 | 19 Feb 2014 | 001-10447 |
| 4 | Open Document | Open Filing | 4 | 06 Jan 2014 | 02 Jan 2014 | 001-10447 |