| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2023 | 03 Feb 2023 | 000-16509 |
| 5 | Open Document | Open Filing | FORM 5 | 09 Feb 2023 | 31 Dec 2022 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Sep 2022 | 03 Jun 2022 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2022 | 07 Jun 2022 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2022 | 28 Jan 2022 | 000-16509 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 14 Feb 2022 | 31 Dec 2021 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Dec 2021 | 07 Sep 2021 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Aug 2021 | 03 May 2021 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2021 | 02 Jun 2021 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Apr 2021 | 04 Jan 2021 | 000-16509 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 04 Feb 2021 | 31 Dec 2020 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Nov 2020 | 06 Jul 2020 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jun 2020 | 06 Apr 2020 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2020 | 02 Jun 2020 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Mar 2020 | 03 Jan 2020 | 000-16509 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 15 Jan 2020 | 31 Dec 2019 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Sep 2019 | 03 Jun 2019 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2019 | 04 Jun 2019 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2019 | 01 Feb 2019 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2019 | 15 Feb 2019 | 000-16509 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 16 Jan 2019 | 31 Dec 2018 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Nov 2018 | 29 Jun 2018 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Jun 2018 | 03 Jan 2018 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2018 | 15 Feb 2018 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Dec 2017 | 12 Sep 2017 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Sep 2017 | 05 Jan 2017 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2016 | 07 Jul 2016 | 000-16509 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2016 | 07 Jan 2016 | 000-16509 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 20 Jan 2016 | 31 Dec 2015 | 000-16509 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 16 Jan 2015 | 31 Dec 2014 | 000-16509 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 27 Jan 2014 | 31 Dec 2013 | 000-16509 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 23 Jan 2013 | 31 Dec 2012 | 000-16509 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 05 Jan 2012 | 31 Dec 2011 | 000-16509 |