| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Sep 2022 | 12 Sep 2022 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Mar 2022 | 29 Mar 2022 | 000-20355 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 02 Dec 2021 | 14 Sep 2021 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Sep 2021 | 14 Sep 2021 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jun 2021 | 28 Jun 2021 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Sep 2020 | 14 Sep 2020 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Jun 2020 | 11 Jun 2020 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Sep 2019 | 18 Sep 2019 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2019 | 13 Mar 2019 | 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 | 22 Oct 2018 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Oct 2018 | 02 Oct 2018 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jun 2018 | 13 Jun 2018 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Mar 2018 | 22 Mar 2018 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2018 | 09 Mar 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 | 18 Dec 2017 | 18 Dec 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 | 24 May 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2017 | 16 Mar 2017 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Oct 2016 | 22 Oct 2016 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Oct 2016 | 12 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 | 28 Mar 2016 | 14 Oct 2015 | 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 | 19 Oct 2015 | 15 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 | 30 Jul 2015 | 30 Jul 2015 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Apr 2015 | 28 Apr 2015 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Mar 2015 | 27 Feb 2015 | 000-20355 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | 16 Jan 2015 | 07 Dec 2012 | 000-20355 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 15 Jan 2015 | 13 Jan 2015 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jan 2015 | 13 Jan 2015 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Dec 2014 | 15 Dec 2014 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Dec 2014 | 11 Dec 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 | 30 Sep 2014 | 26 Sep 2014 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Aug 2014 | 21 Aug 2014 | 000-20355 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2014 | 12 Mar 2014 | 000-20355 |