| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | FORM 4/A | 20 Jun 2024 | 30 May 2024 | 000-22345 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2024 | 30 May 2024 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 May 2023 | 05 May 2023 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Feb 2019 | 07 Feb 2019 | 000-22345 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Apr 2018 | 26 Apr 2018 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 28 Apr 2017 | 26 Apr 2017 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Oct 2016 | 12 Oct 2016 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Jul 2016 | 11 Jul 2016 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 May 2016 | 19 May 2016 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Apr 2016 | 27 Apr 2016 | 000-22345 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Apr 2016 | 15 Apr 2016 | 000-22345 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Apr 2016 | 04 Feb 2016 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Apr 2016 | 15 Feb 2016 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Feb 2016 | 04 Feb 2016 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Dec 2015 | 30 Nov 2015 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Oct 2015 | 01 Oct 2015 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 May 2015 | 29 Apr 2015 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 May 2014 | 27 May 2014 | 000-22345 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 May 2014 | 30 Apr 2014 | 000-22345 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 May 2014 | 30 Apr 2014 | 000-22345 |