| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jul 2022 | 30 Jun 2022 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2022 | 31 Mar 2022 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jan 2022 | 11 Jan 2022 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2022 | 31 Dec 2021 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Oct 2021 | 05 Oct 2021 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Sep 2021 | 31 Aug 2021 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jul 2021 | 30 Jun 2021 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2021 | 11 May 2021 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Apr 2021 | 31 Mar 2021 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Mar 2021 | 19 Mar 2021 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jan 2021 | 31 Dec 2020 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Oct 2020 | 30 Sep 2020 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jul 2020 | 30 Jun 2020 | 000-30653 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 29 Jun 2020 | 09 Jun 2020 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Apr 2020 | 09 Apr 2020 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Apr 2020 | 31 Mar 2020 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Mar 2020 | 23 Mar 2020 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jan 2020 | 31 Dec 2019 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Dec 2019 | 16 Dec 2019 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Oct 2019 | 30 Sep 2019 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Sep 2019 | 13 Sep 2019 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jul 2019 | 28 Jun 2019 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Jun 2019 | 13 Jun 2019 | 000-30653 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2019 | 06 May 2019 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Apr 2019 | 29 Mar 2019 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jan 2019 | 31 Dec 2018 | 000-30653 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2018 | 28 Sep 2018 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jul 2018 | 28 Jun 2018 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Apr 2018 | 30 Mar 2018 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Jan 2018 | 31 Dec 2017 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Oct 2017 | 22 Sep 2017 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Oct 2017 | 30 Sep 2017 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jul 2017 | 30 Jun 2017 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 03 Apr 2017 | 31 Mar 2017 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 04 Jan 2017 | 31 Dec 2016 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Oct 2016 | 30 Sep 2016 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jul 2016 | 30 Jun 2016 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Apr 2016 | 31 Mar 2016 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jan 2016 | 31 Dec 2015 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Oct 2015 | 30 Sep 2015 | 000-30653 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Jul 2015 | 30 Jun 2015 | 000-30653 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2015 | 31 Mar 2015 | 000-30653 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2015 | 01 May 2014 | 000-30653 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jan 2015 | 31 Dec 2014 | 000-30653 |