| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4/A | Open Document | Open Filing | 01 Mar 2022 | 21 Jan 2021 | 001-39325 | |
| 4 | Open Document | Open Filing | 25 Feb 2022 | 20 Feb 2022 | 001-39325 | |
| 4 | Open Document | Open Filing | 28 Jan 2022 | 26 Jan 2022 | 001-39325 | |
| 4 | Open Document | Open Filing | 25 Feb 2021 | 23 Feb 2021 | 001-39325 | |
| 4 | Open Document | Open Filing | 24 Feb 2021 | 22 Feb 2021 | 001-39325 | |
| 4 | Open Document | Open Filing | 25 Jan 2021 | 21 Jan 2021 | 001-39325 | |
| 4 | Open Document | Open Filing | 26 Feb 2020 | 21 Feb 2020 | 000-20293 | |
| 4 | Open Document | Open Filing | 24 Feb 2020 | 20 Feb 2020 | 000-20293 | |
| 4 | Open Document | Open Filing | 24 Jan 2020 | 22 Jan 2020 | 000-20293 | |
| 4 | Open Document | Open Filing | 12 Dec 2019 | 10 Dec 2019 | 000-20293 | |
| 4 | Open Document | Open Filing | FORM 4 | 06 May 2019 | 02 May 2019 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2019 | 25 Feb 2019 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2019 | 21 Feb 2019 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Jan 2019 | 23 Jan 2019 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jan 2019 | 10 Dec 2018 | 000-20293 |
| 4/A | Open Document | Open Filing | FORM 4/A | 05 Mar 2018 | 22 Feb 2018 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Feb 2018 | 26 Feb 2018 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2018 | 22 Feb 2018 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jan 2018 | 17 Jan 2018 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2017 | 02 May 2017 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Mar 2017 | 01 Jan 2014 | 000-20293 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2017 | 23 Feb 2017 | 000-20293 |
| 4 | Open Document | Open Filing | BILKO FORM 4 (2-15-16) | 29 Feb 2016 | 25 Feb 2016 | 000-20293 |
| 4 | Open Document | Open Filing | BILKO FORM 4 (12-10-15) | 14 Dec 2015 | 10 Dec 2015 | 000-20293 |
| 4 | Open Document | Open Filing | BILKO FORM 4 (9-9-15) | 11 Sep 2015 | 09 Sep 2015 | 000-20293 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Mar 2015 | 26 Feb 2015 | 000-20293 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2015 | 31 Dec 2014 | 000-20293 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Dec 2014 | 27 Feb 2014 | 000-20293 |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 23 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 |