| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 18 Oct 2021 | 14 Oct 2021 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2021 | 01 Apr 2021 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2021 | 04 Jan 2021 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jul 2020 | 17 Jul 2020 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2020 | 01 Apr 2020 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2020 | 31 Dec 2019 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2019 | 31 Dec 2018 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Nov 2018 | 05 Nov 2018 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2018 | 08 May 2018 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 31 Dec 2017 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Nov 2017 | 06 Nov 2017 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2017 | 07 Aug 2017 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Mar 2017 | 24 Mar 2017 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Nov 2016 | 04 Nov 2016 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2016 | 08 Aug 2016 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Mar 2016 | 29 Mar 2016 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Dec 2015 | 01 Dec 2015 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Nov 2015 | 24 Nov 2015 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Nov 2015 | 04 Nov 2015 | 001-07234 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2015 | 06 Aug 2015 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2015 | 30 Mar 2015 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Mar 2015 | 26 Feb 2015 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2014 | 02 Dec 2014 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Nov 2014 | 04 Nov 2014 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2014 | 30 Sep 2014 | 001-07234 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 10 Sep 2014 | 05 Sep 2014 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Sep 2014 | 21 Mar 2014 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2014 | 06 Aug 2014 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2014 | 30 Jun 2014 | 001-07234 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2014 | 21 Mar 2014 | 001-07234 |