| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | Mar 3, 2022 | Mar 1, 2022 | 001-12691 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | 001-12691 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 22, 2020 | Aug 5, 2020 | 001-32414 | 
| 4 | Open Document | Open Filing | FORM 4 | May 12, 2020 | May 12, 2020 | 001-16337 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2020 | Mar 1, 2020 | 001-12691 | 
| 4 | Open Document | Open Filing | FORM 4 | May 8, 2019 | May 7, 2019 | 001-16337 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 3, 2019 | May 1, 2019 | 001-32414 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 5, 2019 | Mar 1, 2019 | 001-12691 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 25, 2018 | May 2, 2018 | 001-32414 | 
| 4 | Open Document | Open Filing | FORM 4 | May 9, 2018 | May 8, 2018 | 001-16337 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2018 | Mar 1, 2018 | 001-12691 | 
| 4 | Open Document | Open Filing | FORM 4 | May 10, 2017 | May 9, 2017 | 001-16337 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 4, 2017 | May 3, 2017 | 001-32414 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2017 | Mar 1, 2017 | 001-12691 | 
| 4 | Open Document | Open Filing | FORM 4 | May 11, 2016 | May 10, 2016 | 001-16337 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 6, 2016 | May 4, 2016 | 001-32414 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2016 | Mar 1, 2016 | 001-12691 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 13, 2015 | Nov 11, 2015 | 001-32414 | 
| 4 | Open Document | Open Filing | FORM 4 | May 14, 2015 | May 12, 2015 | 001-16337 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2015 | May 6, 2015 | 001-32414 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2015 | Mar 1, 2015 | 001-12691 | 
| 4 | Open Document | Open Filing | FORM 4 | Jun 13, 2014 | Jun 13, 2014 | 001-16337 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 19, 2014 | May 16, 2014 | 001-32414 | 
| 4 | Open Document | Open Filing | FORM 4 | May 19, 2014 | May 15, 2014 | 001-16337 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 7, 2014 | May 6, 2014 | 001-32414 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2014 | Mar 1, 2014 | 001-12691 |