| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | May 22, 2025 | May 20, 2025 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 4, 2024 | Jun 3, 2024 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 | May 23, 2024 | May 21, 2024 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 23, 2024 | Jan 8, 2024 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 24, 2023 | May 23, 2023 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 17, 2023 | May 12, 2023 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 21, 2022 | Oct 21, 2022 | 001-40735 |
| 3 | Open Document | Open Filing | FORM 3 | Oct 21, 2022 | Oct 20, 2022 | 001-40735 |
| 4 | Open Document | Open Filing | FORM 4 | May 26, 2022 | May 24, 2022 | 000-26727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2022 | May 13, 2022 | 001-36545 |
| 4 | Open Document | Open Filing | FORM 4 | May 4, 2022 | May 2, 2022 | 000-26727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2022 | Feb 1, 2022 | 001-36545 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2021 | Nov 29, 2021 | 001-36545 |
| 4 | Open Document | Open Filing | FORM 4 | May 27, 2021 | May 25, 2021 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 | May 7, 2021 | May 6, 2021 | 000-26727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 3, 2021 | Feb 1, 2021 | 001-36545 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 1, 2020 | Nov 27, 2020 | 001-36545 |
| 4 | Open Document | Open Filing | FORM 4 | May 29, 2020 | May 27, 2020 | 000-26727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2020 | Mar 17, 2020 | 001-36545 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2020 | Mar 16, 2020 | 001-36545 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2019 | Nov 26, 2019 | 001-36545 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 29, 2019 | Nov 26, 2019 | 001-36545 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 12, 2019 | Jun 11, 2019 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 6, 2019 | Jun 4, 2019 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 17, 2018 | Sep 13, 2018 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 29, 2018 | Aug 27, 2018 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2018 | Jun 5, 2018 | 000-26727 |
| 4 | Open Document | Open Filing | FORM 4 | May 18, 2018 | May 17, 2018 | 000-26727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 12, 2018 | Feb 8, 2018 | 001-09810 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2017 | Jun 6, 2017 | 000-26727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2017 | Jun 1, 2017 | 001-09810 |
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2017 | May 5, 2017 | 000-26727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2017 | Feb 9, 2017 | 001-09810 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2017 | Feb 6, 2017 | 001-09810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2017 | Feb 6, 2017 | 001-09810 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 8, 2016 | Jun 6, 2016 | 000-26727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2016 | Jun 1, 2016 | 001-09810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2016 | May 19, 2016 | 000-11634 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 2, 2016 | Mar 1, 2016 | 001-09810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2016 | Feb 5, 2016 | 001-09810 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 10, 2015 | Jul 8, 2015 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 18, 2015 | Jun 10, 2015 | 000-26727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 2, 2015 | Jun 1, 2015 | 001-09810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2015 | Feb 5, 2015 | 001-09810 |
| 4 | Open Document | Open Filing | R. MEIER ELECTION GRANT 2014 | Jun 11, 2014 | Jun 9, 2014 | 000-11634 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 6, 2014 | Jun 4, 2014 | 000-26727 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 8, 2014 | May 7, 2014 | 001-09810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2014 | Feb 28, 2014 | 001-09810 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 10, 2014 | Feb 6, 2014 | 001-09810 |