| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 03 Apr 2024 | 01 Apr 2024 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2023 | 05 Jun 2023 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2022 | 03 Jun 2022 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2022 | 31 May 2022 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Dec 2021 | 17 Dec 2021 | 001-06300 |
| 3 | Open Document | Open Filing | 3 | 19 Aug 2021 | 10 Aug 2021 | 000-55773 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2021 | 28 May 2021 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Apr 2021 | 16 Apr 2021 | 001-06300 |
| 144 | Open Document | Open Filing | FORM 144 | 23 Apr 2021 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jun 2020 | 29 May 2020 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 - | 30 Apr 2020 | 24 Mar 2020 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2020 | 01 Mar 2020 | 001-35878 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 10 Jan 2020 | 01 Jan 2020 | 001-35878 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Sep 2019 | 19 Sep 2019 | 001-06300 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2019 | 31 May 2019 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Mar 2019 | 22 Mar 2019 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Mar 2019 | 13 Mar 2019 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 14 Jun 2018 | 12 Jun 2018 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Jun 2018 | 05 Jun 2018 | 001-13274 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2018 | 01 Jun 2018 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 Apr 2018 | 20 Apr 2018 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Apr 2018 | 03 Apr 2018 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Jan 2018 | 03 Jan 2018 | 001-13274 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2017 | 30 Nov 2017 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Oct 2017 | 03 Oct 2017 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Jul 2017 | 06 Jul 2017 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Apr 2017 | 04 Apr 2017 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 Jan 2017 | 05 Jan 2017 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Oct 2016 | 05 Oct 2016 | 001-13274 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2016 | 21 Jul 2016 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jul 2016 | 06 Jul 2016 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Apr 2016 | 05 Apr 2016 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Mar 2016 | 08 Mar 2016 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jan 2016 | 06 Jan 2016 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Oct 2015 | 05 Oct 2015 | 001-13274 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jul 2015 | 06 Jul 2015 | 001-13274 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2015 | 05 Jun 2015 | 001-06300 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2015 | 04 Jun 2015 | 001-06300 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jun 2015 | 05 Jun 2015 | 001-13274 |
| 3 | Open Document | Open Filing | FORM 3 - | 08 Jun 2015 | 03 Jun 2015 | 001-13274 |