| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Oct 2, 2023 | Sep 28, 2023 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 17, 2023 | Aug 17, 2023 | 001-37827 |
| 5 | Open Document | Open Filing | FORM 5 | Jan 12, 2023 | Dec 31, 2022 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 28, 2022 | Apr 26, 2022 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2022 | Apr 1, 2022 | 001-38471 |
| 5 | Open Document | Open Filing | FORM 5 | Jan 5, 2022 | Dec 31, 2021 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 27, 2021 | Dec 27, 2021 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | Dec 8, 2021 | Dec 6, 2021 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2021 | May 10, 2021 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 29, 2021 | Apr 27, 2021 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2020 | May 6, 2020 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 23, 2020 | Apr 21, 2020 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 31, 2019 | Jul 30, 2019 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2019 | May 8, 2019 | 001-38471 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 29, 2019 | Apr 25, 2019 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 24, 2019 | Apr 24, 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2019 | Mar 15, 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2019 | Feb 22, 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2018 | Dec 17, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2018 | Dec 14, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 4, 2018 | Dec 3, 2018 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2018 | Nov 14, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 4, 2018 | Sep 18, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 17, 2018 | Sep 14, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 22, 2018 | Aug 20, 2018 | 001-32465 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jun 22, 2018 | Jun 12, 2018 | 001-38471 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2018 | Jun 15, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 11, 2018 | Jun 7, 2018 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 4, 2018 | Jun 1, 2018 | 001-32465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 10, 2018 | May 8, 2018 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 3, 2018 | May 2, 2018 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 26, 2018 | Apr 25, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2018 | Apr 2, 2018 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 19, 2018 | Mar 15, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2018 | Mar 8, 2018 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 26, 2018 | Feb 23, 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 18, 2017 | Dec 15, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 11, 2017 | Dec 7, 2017 | 001-12933 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2017 | Nov 13, 2017 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 16, 2017 | Nov 13, 2017 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 19, 2017 | Sep 15, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 11, 2017 | Sep 7, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 19, 2017 | Jun 15, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 7, 2017 | Jun 1, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2017 | Jun 5, 2017 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 2, 2017 | Jun 1, 2017 | 001-32465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 30, 2017 | May 26, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 11, 2017 | May 9, 2017 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 11, 2017 | May 10, 2017 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 27, 2017 | Apr 26, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2017 | Apr 3, 2017 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2017 | Mar 15, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2017 | Feb 10, 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 16, 2016 | Dec 15, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 30, 2016 | Sep 29, 2016 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 16, 2016 | Sep 15, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 8, 2016 | Sep 7, 2016 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 16, 2016 | Aug 15, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 8, 2016 | Aug 8, 2016 | 001-07349 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 12, 2016 | Jul 12, 2016 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2016 | Jun 15, 2016 | 001-07349 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2016 | Apr 27, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2016 | Apr 27, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2016 | Apr 1, 2016 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2016 | Mar 15, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 10, 2016 | Mar 9, 2016 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 16, 2016 | Feb 12, 2016 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 16, 2016 | Feb 15, 2016 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2015 | Dec 15, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 17, 2015 | Sep 15, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2015 | Jul 1, 2015 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2015 | Jun 15, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 30, 2015 | Apr 29, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 15, 2015 | Apr 1, 2015 | 001-32465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 23, 2015 | Mar 20, 2015 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2015 | Mar 16, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 23, 2015 | Feb 20, 2015 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2015 | Feb 16, 2015 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 17, 2015 | Feb 13, 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 29, 2014 | Dec 26, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 19, 2014 | Dec 18, 2014 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2014 | Dec 15, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 30, 2014 | Sep 26, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 18, 2014 | Sep 16, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | 2014 ANNUAL DIRECTOR GRANTS | Jul 3, 2014 | Jul 1, 2014 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2014 | Jun 27, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 17, 2014 | Jun 16, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 1, 2014 | Apr 30, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 28, 2014 | Mar 27, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 18, 2014 | Mar 17, 2014 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 25, 2014 | Feb 24, 2014 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2014 | Feb 19, 2014 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 18, 2014 | Feb 14, 2014 | 001-07349 |