| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Nov 5, 2024 | Nov 1, 2024 | 000-55599 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 3, 2023 | Oct 2, 2023 | 000-55599 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 5, 2022 | Oct 3, 2022 | 000-55599 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 1, 2021 | Oct 1, 2021 | 000-55599 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 3, 2021 | Aug 2, 2021 | 000-55599 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 28, 2021 | Jun 16, 2021 | 000-55599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2020 | Jan 2, 2020 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2019 | Oct 1, 2019 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 3, 2019 | Jul 1, 2019 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 20, 2019 | Jun 18, 2019 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 3, 2019 | Apr 1, 2019 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2019 | Jan 2, 2019 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2018 | Oct 1, 2018 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 5, 2018 | Jul 2, 2018 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 21, 2018 | Jun 19, 2018 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 4, 2018 | Apr 2, 2018 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 4, 2018 | Jan 2, 2018 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2017 | Oct 2, 2017 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2017 | Jul 3, 2017 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 16, 2017 | Jun 14, 2017 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 16, 2017 | Jun 14, 2017 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 18, 2017 | May 17, 2017 | 001-16483 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2017 | Apr 3, 2017 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2017 | Jan 3, 2017 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2016 | Oct 3, 2016 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2016 | Jul 1, 2016 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 27, 2016 | Jun 23, 2016 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2016 | May 18, 2016 | 001-16483 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 5, 2016 | Apr 1, 2016 | 001-37622 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2016 | Jan 29, 2016 | 001-03761 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 24, 2015 | Nov 24, 2015 | 001-37622 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 18, 2015 | Nov 18, 2015 | 001-37622 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 21, 2015 | May 20, 2015 | 001-16483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 5, 2015 | Feb 5, 2015 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 30, 2015 | Jan 28, 2015 | 001-03761 |
| 4 | Open Document | Open Filing | SIMMONS FORM 4 | May 22, 2014 | May 21, 2014 | 001-16483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 29, 2014 | Apr 28, 2014 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 27, 2014 | Jan 23, 2014 | 001-03761 |