| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jul 17, 2023 | Jul 17, 2023 | 000-54835 |
| 4 | Open Document | Open Filing | SS 7.6.23 | Jul 6, 2023 | Jun 5, 2023 | 000-54835 |
| 4 | Open Document | Open Filing | SS 5.3.23 | May 3, 2023 | May 3, 2023 | 000-54835 |
| 4 | Open Document | Open Filing | SS 4.3.23 | Apr 5, 2023 | Apr 3, 2023 | 000-54835 |
| 4 | Open Document | Open Filing | SS 3.6.23 | Mar 7, 2023 | Mar 6, 2023 | 000-54835 |
| 4 | Open Document | Open Filing | SS 3.3.23 | Mar 3, 2023 | Mar 3, 2023 | 000-54835 |
| 4 | Open Document | Open Filing | SS 2.3.23 | Feb 3, 2023 | Feb 3, 2023 | 000-54835 |
| 4 | Open Document | Open Filing | SS 1.3.22 | Jan 5, 2023 | Jan 3, 2023 | 000-54835 |
| 4 | Open Document | Open Filing | SS 12.1.22 | Dec 5, 2022 | Dec 1, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | SS 11.1.22 | Nov 3, 2022 | Nov 1, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2022 | Oct 3, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 8, 2022 | Sep 6, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 3, 2022 | Aug 3, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 8, 2022 | Jul 6, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2022 | Jun 3, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2022 | May 2, 2017 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2022 | Apr 1, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2022 | Mar 1, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2022 | Feb 1, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2022 | Jan 3, 2022 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2021 | Dec 1, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 3, 2021 | Nov 1, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2021 | Oct 1, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 3, 2021 | Sep 1, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 4, 2021 | Aug 2, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2021 | Jul 1, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2021 | Jun 1, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 5, 2021 | May 3, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 6, 2021 | Apr 1, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2021 | Mar 1, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 3, 2021 | Feb 1, 2021 | 000-54835 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Feb 3, 2021 | Jan 4, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2021 | Jan 4, 2021 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2020 | Dec 1, 2020 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 4, 2020 | Nov 2, 2020 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2020 | Oct 1, 2020 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 3, 2020 | Sep 1, 2020 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 5, 2020 | Aug 3, 2020 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2020 | Jul 1, 2020 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 19, 2020 | May 18, 2020 | 000-54835 |
| 4 | Open Document | Open Filing | Feb 28, 2020 | Feb 26, 2020 | 000-54835 | |
| 4 | Open Document | Open Filing | May 21, 2019 | May 17, 2019 | 000-54835 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 28, 2019 | Feb 26, 2019 | 000-54835 |
| 4 | Open Document | Open Filing | 4 | Oct 17, 2018 | Oct 9, 2018 | 000-54835 |
| 4 | Open Document | Open Filing | 4 | Jan 3, 2018 | Dec 29, 2017 | 000-54835 |
| 4 | Open Document | Open Filing | 4 | Jun 16, 2017 | Jun 14, 2017 | 000-54835 |
| 4 | Open Document | Open Filing | 4 | May 18, 2017 | May 16, 2017 | 000-54835 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 10, 2017 | Mar 28, 2017 | 000-54835 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Feb 23, 2017 | Feb 16, 2017 | 000-54835 |
| 4 | Open Document | Open Filing | 4 | Nov 8, 2016 | Nov 4, 2016 | 000-54835 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 18, 2016 | May 16, 2016 | 000-54835 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 4, 2016 | Mar 31, 2016 | 000-54835 |
| 4 | Open Document | Open Filing | 4 | Dec 9, 2015 | Dec 8, 2015 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2015 | May 15, 2015 | 000-54835 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2015 | May 6, 2015 | 000-54835 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 6, 2014 | Jun 5, 2014 | 000-54835 |