| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 27, 2022 | Jan 25, 2022 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 20, 2021 | May 18, 2021 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2021 | May 12, 2021 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 6, 2020 | Nov 5, 2020 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 18, 2020 | May 14, 2020 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 14, 2020 | May 12, 2020 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 22, 2019 | May 20, 2019 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 16, 2019 | May 14, 2019 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 14, 2018 | Aug 10, 2018 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 17, 2018 | May 15, 2018 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 18, 2017 | May 16, 2017 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 7, 2016 | Sep 7, 2016 | 000-29101 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2016 | Jun 15, 2016 | 000-29101 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 19, 2016 | May 17, 2016 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 9, 2016 | May 5, 2016 | 000-10961 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2016 | Jan 4, 2016 | 000-29101 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 18, 2015 | Nov 16, 2015 | 000-10961 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 18, 2015 | Nov 16, 2015 | 000-10961 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 10, 2015 | Jul 8, 2015 | 000-11634 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 18, 2015 | Jun 17, 2015 | 000-29101 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Jan 2, 2015 | 000-29101 |
| 4 | Open Document | Open Filing | C. SLACIK ELECTION GRANT 2014 | Jun 11, 2014 | Jun 9, 2014 | 000-11634 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 11, 2014 | Jun 10, 2014 | 000-29101 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2014 | Jan 2, 2014 | 000-29101 |