| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Oct 2021 | 22 Oct 2021 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Dec 2020 | 11 Dec 2020 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Oct 2020 | 22 Oct 2020 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Oct 2019 | 30 Oct 2019 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2019 | 22 Oct 2019 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Oct 2018 | 22 Oct 2018 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2018 | 22 Oct 2018 | 000-20355 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 01 Oct 2018 | 02 Sep 2018 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Dec 2017 | 18 Dec 2017 | 000-20355 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 27 Oct 2017 | 22 Oct 2017 | 000-20355 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 25 Oct 2017 | 24 Oct 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2017 | 22 Oct 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2017 | 24 Oct 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 May 2017 | 24 May 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Oct 2016 | 25 Oct 2016 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2016 | 22 Oct 2016 | 000-20355 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 29 Sep 2016 | 28 Aug 2016 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Oct 2015 | 22 Oct 2015 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2015 | 27 Feb 2015 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2014 | 24 Oct 2014 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Oct 2014 | 22 Oct 2014 | 000-20355 |