| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 May 2022 | 26 May 2022 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2022 | 16 Mar 2022 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2022 | 04 Mar 2022 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2022 | 02 Mar 2022 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2021 | 07 May 2021 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2021 | 05 Mar 2021 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2021 | 03 Mar 2021 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2021 | 02 Mar 2021 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Aug 2020 | 05 Aug 2020 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2020 | 06 Mar 2020 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2020 | 04 Mar 2020 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2020 | 03 Mar 2020 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Jun 2019 | 19 Jun 2019 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2019 | 04 Mar 2019 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2019 | 01 Mar 2019 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2018 | 02 Mar 2018 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2018 | 27 Feb 2018 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2017 | 11 May 2017 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Mar 2017 | 06 Mar 2017 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2017 | 01 Mar 2017 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2017 | 27 Feb 2017 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2016 | 02 Jun 2016 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2016 | 04 Mar 2016 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2016 | 01 Mar 2016 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2015 | 09 Mar 2015 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2015 | 02 Mar 2015 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2015 | 12 Feb 2015 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2014 | 02 Jun 2014 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2014 | 07 Mar 2014 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2014 | 27 Feb 2014 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Dec 2013 | 17 Dec 2013 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2013 | 08 Mar 2013 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Mar 2013 | 01 Mar 2013 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Dec 2012 | 17 Dec 2012 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2012 | 08 Mar 2012 | 000-27078 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2012 | 02 Mar 2012 | 000-27078 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 10 Feb 2012 | 31 Dec 2011 | 000-27078 |