| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 01 Apr 2022 | 01 Apr 2022 | 001-39325 | |
| 4 | Open Document | Open Filing | 05 Jan 2022 | 03 Jan 2021 | 001-39325 | |
| 4 | Open Document | Open Filing | 06 Oct 2021 | 01 Oct 2021 | 001-39325 | |
| 4 | Open Document | Open Filing | 02 Jul 2021 | 01 Jul 2021 | 001-39325 | |
| 4 | Open Document | Open Filing | 05 Apr 2021 | 01 Apr 2021 | 001-39325 | |
| 4 | Open Document | Open Filing | 03 Dec 2020 | 01 Dec 2020 | 001-39325 | |
| 4 | Open Document | Open Filing | 02 Sep 2020 | 01 Sep 2020 | 001-39325 | |
| 4 | Open Document | Open Filing | 19 Aug 2020 | 25 Jan 2020 | 001-39325 | |
| 4 | Open Document | Open Filing | 03 Jun 2020 | 01 Jun 2020 | 000-20293 | |
| 4 | Open Document | Open Filing | 04 Mar 2020 | 02 Mar 2020 | 000-20293 | |
| 4 | Open Document | Open Filing | 04 Dec 2019 | 02 Dec 2019 | 000-20293 | |
| 4 | Open Document | Open Filing | 05 Sep 2019 | 03 Sep 2019 | 000-20293 | |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2019 | 01 Jun 2019 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2019 | 01 Mar 2019 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2018 | 03 Dec 2018 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2018 | 04 Sep 2018 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2018 | 01 Jun 2018 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Mar 2018 | 01 Mar 2018 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2017 | 01 Dec 2017 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2017 | 01 Sep 2017 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2017 | 01 Jun 2017 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2017 | 01 Mar 2017 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Dec 2016 | 01 Dec 2016 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2016 | 01 Sep 2016 | 000-20293 |
| 4 | Open Document | Open Filing | FISHER FORM 4 (6-1-16) | 03 Jun 2016 | 01 Jun 2016 | 000-20293 |
| 4 | Open Document | Open Filing | FISHER FORM 4 (3-1-16) | 03 Mar 2016 | 01 Mar 2016 | 000-20293 |
| 4 | Open Document | Open Filing | FISHER FORM 4 (12-1-15) | 03 Dec 2015 | 01 Dec 2015 | 000-20293 |
| 4 | Open Document | Open Filing | FISHER FORM 4 (9-1-15) | 03 Sep 2015 | 01 Sep 2015 | 000-20293 |
| 4 | Open Document | Open Filing | FISHER FORM 4 (6-1-15) | 03 Jun 2015 | 01 Jun 2015 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Mar 2015 | 02 Mar 2015 | 000-20293 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2015 | 31 Dec 2014 | 000-20293 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2014 | 04 Dec 2014 | 000-20293 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2014 | 03 Sep 2014 | 000-20293 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2014 | 31 Jul 2014 | 000-20293 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Aug 2014 | 01 Aug 2014 | 000-20293 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2014 | 01 Jan 2014 | 000-20293 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2014 | 01 Jan 2014 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2014 | 01 Jan 2014 | 000-22283 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2014 | 01 Jan 2014 | 000-20293 |