| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Jun 16, 2021 | Jun 14, 2021 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 15, 2021 | Mar 12, 2021 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 2, 2021 | Mar 1, 2021 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2021 | Feb 12, 2021 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 9, 2020 | Jun 8, 2020 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2020 | Mar 2, 2020 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2020 | Feb 25, 2020 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 24, 2020 | Feb 20, 2020 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 1, 2019 | Jul 30, 2019 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 10, 2019 | Jun 6, 2019 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 14, 2019 | Mar 12, 2019 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 8, 2019 | Mar 6, 2019 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 28, 2019 | Feb 26, 2019 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 22, 2019 | Feb 21, 2019 | 000-52049 |
| 4/A | Open Document | Open Filing | FORM 4/A | Nov 6, 2018 | Jan 25, 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 9, 2018 | Apr 5, 2018 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 27, 2018 | Feb 23, 2018 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 1, 2018 | Jan 30, 2018 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 28, 2017 | Jul 26, 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 28, 2017 | Mar 24, 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 23, 2017 | Feb 21, 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 16, 2017 | Feb 14, 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 3, 2017 | Feb 1, 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Feb 1, 2017 | Jan 30, 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 27, 2017 | Jan 25, 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 6, 2017 | Jan 4, 2017 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 23, 2016 | Feb 19, 2016 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2016 | Feb 16, 2016 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 5, 2016 | Feb 3, 2016 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 29, 2016 | Jan 27, 2016 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 12, 2015 | Jun 10, 2015 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 29, 2015 | May 27, 2015 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 10, 2015 | Apr 8, 2015 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 20, 2015 | Mar 18, 2015 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 19, 2015 | Feb 17, 2015 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 13, 2015 | Feb 11, 2015 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 30, 2015 | Jan 28, 2015 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2015 | Jan 2, 2015 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 23, 2014 | Oct 21, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 3, 2014 | Oct 2, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 19, 2014 | Sep 17, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 5, 2014 | Sep 4, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 22, 2014 | Aug 20, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 18, 2014 | Jul 16, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 20, 2014 | Jun 18, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 21, 2014 | May 19, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Apr 18, 2014 | Apr 16, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 19, 2014 | Mar 19, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2014 | Feb 20, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 18, 2014 | Feb 13, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 7, 2014 | Feb 6, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 31, 2014 | Jan 29, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 21, 2014 | Jan 17, 2014 | 000-52049 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 6, 2014 | Jan 2, 2014 | 000-52049 |