| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2023 | 03 Jan 2023 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2022 | 02 Jun 2022 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2022 | 20 May 2022 | 000-18051 |
| 4/A | Open Document | Open Filing | FORM 4/A | 04 Feb 2022 | 01 Feb 2022 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2022 | 01 Feb 2022 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jan 2022 | 12 Jan 2022 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2021 | 29 Dec 2021 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Sep 2021 | 30 Aug 2021 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2021 | 05 Mar 2021 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2021 | 24 Feb 2021 | 000-18051 |
| 4/A | Open Document | Open Filing | FORM 4/A | 19 Feb 2021 | 02 Feb 2021 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2021 | 02 Feb 2021 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Dec 2020 | 28 Dec 2020 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Oct 2020 | 30 Sep 2020 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2020 | 27 May 2020 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2020 | 20 May 2020 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2020 | 12 Feb 2020 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2019 | 13 Sep 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Sep 2019 | 11 Sep 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Sep 2019 | 09 Sep 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Sep 2019 | 05 Sep 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Sep 2019 | 03 Sep 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2019 | 30 Aug 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Jun 2019 | 13 Jun 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2019 | 10 Jun 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2019 | 06 Jun 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2019 | 23 May 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2019 | 10 May 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2019 | 08 May 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Apr 2019 | 28 Mar 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2019 | 22 Feb 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2019 | 20 Feb 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Feb 2019 | 13 Feb 2019 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2018 | 11 Dec 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2018 | 16 Nov 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2018 | 08 Nov 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Nov 2018 | 05 Nov 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Mar 2018 | 05 Mar 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2018 | 23 Feb 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2018 | 21 Feb 2018 | 000-18051 |
| 4/A | Open Document | Open Filing | FORM 4/A | 20 Feb 2018 | 14 Feb 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2018 | 14 Feb 2018 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2017 | 15 Dec 2017 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Dec 2017 | 13 Dec 2017 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Dec 2017 | 06 Dec 2017 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2017 | 04 Dec 2017 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2017 | 28 Nov 2017 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Nov 2017 | 16 Nov 2017 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2017 | 16 Aug 2017 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jan 2017 | 11 Jan 2017 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Nov 2016 | 11 Nov 2016 | 000-18051 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2016 | 07 Mar 2016 | 000-18051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jan 2016 | 12 Jan 2016 | 000-18051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jan 2015 | 16 Jan 2015 | 000-18051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2014 | 07 Nov 2014 | 000-18051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2014 | 31 Oct 2014 | 000-18051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2014 | 31 Jan 2014 | 000-18051 |