| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Sep 2021 | 14 Sep 2021 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Aug 2021 | 09 Oct 2020 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Sep 2020 | 16 Sep 2020 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Sep 2020 | 14 Sep 2020 | 000-20355 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 15 Sep 2020 | 17 Dec 2019 | 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 | 20 Sep 2019 | 18 Sep 2019 | 000-20355 |
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | 20 Sep 2019 | 01 Sep 2019 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2019 | 25 Oct 2018 | 000-20355 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 30 Oct 2018 | 02 Oct 2018 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2018 | 05 Oct 2018 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Oct 2018 | 02 Oct 2018 | 000-20355 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 09 Jan 2018 | 24 May 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Dec 2017 | 24 Oct 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Oct 2017 | 22 Oct 2017 | 000-20355 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 05 Oct 2017 | 02 Oct 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2017 | 02 Oct 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 May 2017 | 10 Jan 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2016 | 09 Dec 2016 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Oct 2016 | 14 Oct 2016 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Oct 2016 | 05 Oct 2016 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Dec 2015 | 30 Oct 2009 | 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 | 15 Oct 2015 | 13 Oct 2015 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Sep 2015 | 24 Sep 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 | 29 Oct 2014 | 29 Oct 2014 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Oct 2014 | 22 Oct 2014 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Oct 2014 | 09 Oct 2014 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Sep 2014 | 26 Sep 2014 | 000-20355 |