| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 04 Aug 2023 | 07 Jan 2023 | 001-11916 | |
| 4 | Open Document | Open Filing | 10 Jan 2022 | 07 Jan 2022 | 001-11916 | |
| 4 | Open Document | Open Filing | 19 May 2020 | 15 May 2020 | 001-11916 | |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2019 | 10 May 2019 | 001-11916 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2019 | 13 Mar 2019 | 001-11916 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2018 | 09 Nov 2018 | 001-11916 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Nov 2018 | 01 Nov 2018 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Oct 2018 | 26 Oct 2018 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jul 2018 | 13 Jul 2018 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Apr 2018 | 02 Apr 2018 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jan 2018 | 05 Jan 2018 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Oct 2017 | 03 Oct 2017 | 000-20971 |
| 4/A | Open Document | Open Filing | AMENDMENT TO FORM 4 | 19 Sep 2017 | 14 Sep 2017 | 001-11916 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Sep 2017 | 14 Sep 2017 | 001-11916 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Aug 2017 | 08 Aug 2017 | 000-20971 |
| 4 | Open Document | Open Filing | FORM 4 - | 16 Jun 2017 | 14 Jun 2017 | 000-20971 |
| 4 | Open Document | Open Filing | 07 Jun 2017 | 05 Jun 2017 | 001-11916 | |
| 4 | Open Document | Open Filing | 24 May 2017 | 23 May 2017 | 001-11916 | |
| 5 | Open Document | Open Filing | FORM 5 - | 03 Feb 2017 | 31 Dec 2016 | 000-20971 |
| 4 | Open Document | Open Filing | 26 Aug 2016 | 24 Aug 2016 | 001-11916 | |
| 4/A | Open Document | Open Filing | 07 Jul 2016 | 30 Jun 2016 | 001-11916 | |
| 4 | Open Document | Open Filing | 05 Jul 2016 | 30 Jun 2016 | 001-11916 | |
| 4 | Open Document | Open Filing | 10 Jun 2016 | 08 Jun 2016 | 001-11916 | |
| 4 | Open Document | Open Filing | FORM 4 - | 25 Mar 2016 | 24 Mar 2016 | 000-20971 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 24 Mar 2016 | 24 Mar 2016 | 000-20971 |
| 4 | Open Document | Open Filing | 23 Nov 2015 | 19 Nov 2015 | 001-11916 | |
| 4 | Open Document | Open Filing | 24 Aug 2015 | 20 Aug 2015 | 001-11916 | |
| 4 | Open Document | Open Filing | 12 Jun 2015 | 10 Jun 2015 | 001-11916 | |
| 4 | Open Document | Open Filing | 02 Jun 2015 | 29 May 2015 | 001-11916 | |
| 3 | Open Document | Open Filing | 02 Apr 2015 | 24 Mar 2015 | 001-11916 |