| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Apr 24, 2024 | Apr 22, 2024 | 000-20557 |
| 144 | Open Document | Open Filing | Apr 22, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 | Dec 27, 2023 | Dec 26, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 20, 2023 | Dec 19, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 18, 2023 | Dec 14, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 14, 2023 | Dec 13, 2023 | 000-20557 |
| 144 | Open Document | Open Filing | Dec 13, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | Nov 20, 2023 | Nov 17, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 7, 2023 | Aug 4, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 4, 2023 | Aug 2, 2023 | 000-20557 |
| 144 | Open Document | Open Filing | Aug 3, 2023 | |||
| 144 | Open Document | Open Filing | Aug 3, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | Jul 31, 2023 | Jul 27, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 18, 2023 | Jul 17, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 14, 2023 | Jul 12, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2023 | Jul 3, 2023 | 000-20557 |
| 144 | Open Document | Open Filing | Jul 3, 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | Mar 6, 2023 | Mar 2, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 1, 2023 | Feb 27, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 17, 2023 | Feb 15, 2023 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 30, 2022 | Aug 26, 2022 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 25, 2022 | Aug 23, 2022 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 15, 2022 | Jul 1, 2022 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 10, 2022 | Aug 8, 2022 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 8, 2022 | Aug 4, 2022 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 9, 2022 | Apr 1, 2022 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2022 | Apr 1, 2022 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 7, 2022 | Jan 21, 2022 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2022 | Jan 3, 2022 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 3, 2021 | Oct 22, 2021 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2021 | Oct 1, 2021 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 1, 2021 | Aug 30, 2021 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 5, 2021 | Jul 22, 2021 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2021 | Jul 1, 2021 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2021 | Apr 21, 2021 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2021 | Apr 1, 2021 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 4, 2021 | Jan 20, 2021 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2021 | Jan 1, 2021 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 9, 2020 | Dec 7, 2020 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 30, 2020 | Nov 25, 2020 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 4, 2020 | Oct 22, 2020 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 5, 2020 | Oct 1, 2020 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2020 | Jul 22, 2020 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 6, 2020 | Jul 1, 2020 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2020 | Apr 22, 2020 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 3, 2020 | Apr 1, 2020 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 30, 2020 | Jan 23, 2020 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 8, 2019 | Nov 6, 2019 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 4, 2019 | Jul 22, 2019 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 30, 2019 | Jul 26, 2019 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 16, 2019 | Apr 22, 2019 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2019 | Apr 26, 2019 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 18, 2019 | Mar 15, 2019 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2019 | Mar 4, 2019 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2019 | Feb 22, 2019 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 5, 2019 | Jan 23, 2019 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 3, 2018 | Nov 29, 2018 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2018 | Oct 22, 2018 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 1, 2018 | Oct 30, 2018 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 16, 2018 | Jul 23, 2018 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2018 | Aug 6, 2018 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2018 | Apr 23, 2018 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2018 | Apr 26, 2018 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 14, 2018 | Mar 13, 2018 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 9, 2018 | Mar 8, 2018 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2018 | Feb 26, 2018 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 15, 2018 | Jan 23, 2018 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 7, 2017 | Oct 23, 2017 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 3, 2017 | Nov 1, 2017 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 10, 2017 | Jul 24, 2017 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 4, 2017 | Aug 2, 2017 | 333-21011 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 5, 2017 | May 3, 2017 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 1, 2017 | Apr 24, 2017 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2017 | Feb 27, 2017 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 2, 2017 | Jan 24, 2017 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2017 | Jan 6, 2016 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 8, 2016 | Dec 7, 2016 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 22, 2016 | Nov 22, 2016 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 14, 2016 | Nov 9, 2016 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 1, 2016 | Oct 24, 2016 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 5, 2016 | Aug 3, 2016 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 2, 2016 | Jul 22, 2016 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 4, 2016 | May 2, 2016 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 27, 2016 | Apr 22, 2016 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2016 | Feb 22, 2016 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2016 | Jan 25, 2016 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 7, 2016 | Jan 5, 2016 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 6, 2015 | Nov 4, 2015 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 26, 2015 | Oct 22, 2015 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 13, 2015 | Jul 22, 2015 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 6, 2015 | Aug 5, 2015 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 3, 2015 | Jun 2, 2015 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2015 | May 6, 2015 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2015 | Apr 22, 2015 | 000-20557 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 19, 2015 | Jan 12, 2015 | 000-20557 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Mar 19, 2015 | Feb 17, 2015 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2015 | Mar 2, 2015 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2015 | Feb 23, 2015 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2015 | Feb 17, 2015 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 17, 2015 | Feb 13, 2015 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2015 | Feb 10, 2015 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 12, 2015 | Jan 23, 2015 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 13, 2015 | Jan 12, 2015 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 17, 2014 | Dec 17, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 9, 2014 | Dec 5, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 20, 2014 | Nov 19, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 19, 2014 | Oct 22, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2014 | Nov 12, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 12, 2014 | Nov 10, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 12, 2014 | Nov 7, 2014 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 16, 2014 | Oct 15, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 2, 2014 | Oct 2, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 18, 2014 | Sep 17, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 21, 2014 | Aug 20, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 14, 2014 | Jul 22, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 12, 2014 | Aug 8, 2014 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 17, 2014 | Jul 16, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 1, 2014 | Jun 30, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 16, 2014 | Apr 22, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2014 | May 9, 2014 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2014 | Apr 2, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 10, 2014 | Mar 3, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2014 | Mar 4, 2014 | 333-21011 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 28, 2014 | Feb 26, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 28, 2014 | Feb 26, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2014 | Feb 19, 2014 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 20, 2014 | Jan 23, 2014 | 000-20557 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | Jan 24, 2014 | Oct 1, 2013 | 000-20557 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 2, 2014 | Dec 30, 2013 | 000-20557 |