| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2021 | 23 Nov 2021 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2021 | 01 Jun 2021 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2020 | 03 Jan 2020 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2019 | 03 Dec 2019 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2019 | 04 Jan 2019 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2018 | 04 Jan 2018 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Aug 2017 | 29 Aug 2017 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2017 | 09 Jun 2017 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2017 | 07 Jun 2017 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Apr 2017 | 25 Apr 2017 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 04 Jan 2017 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Sep 2016 | 08 Sep 2016 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2016 | 03 Jun 2016 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2016 | 04 Jan 2016 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2015 | 01 Dec 2015 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2015 | 14 Aug 2015 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2015 | 05 Jan 2015 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2014 | 01 Dec 2014 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Nov 2014 | 05 Nov 2014 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Aug 2014 | 18 Aug 2014 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2014 | 03 Jan 2014 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Nov 2013 | 05 Nov 2013 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2013 | 20 Aug 2013 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Mar 2013 | 18 Mar 2013 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jan 2013 | 04 Jan 2013 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Nov 2012 | 26 Nov 2012 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2012 | 30 Apr 2012 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Apr 2012 | 17 Apr 2012 | 000-12015 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jan 2012 | 05 Jan 2012 | 000-12015 |