| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2021 | 10 May 2021 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2021 | 07 May 2021 | 001-13879 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 02 Mar 2021 | 22 Feb 2021 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2021 | 22 Feb 2021 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Feb 2020 | 24 Feb 2020 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Nov 2019 | 20 Nov 2019 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Aug 2019 | 22 Aug 2019 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2019 | 30 May 2019 | 001-13879 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 05 Mar 2019 | 25 Feb 2019 | 001-13879 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 05 Mar 2019 | 25 Feb 2019 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 Feb 2019 | 25 Feb 2019 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2019 | 25 Feb 2019 | 001-13879 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 29 May 2018 | 24 May 2018 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 May 2018 | 24 May 2018 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2018 | 27 Feb 2018 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Feb 2018 | 20 Feb 2018 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Nov 2017 | 21 Nov 2017 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 May 2017 | 22 May 2017 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Mar 2017 | 13 Mar 2017 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Feb 2017 | 21 Feb 2017 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Nov 2016 | 16 Nov 2016 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2016 | 10 May 2016 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2016 | 22 Feb 2016 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Nov 2015 | 23 Nov 2015 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Mar 2015 | 04 Mar 2015 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2015 | 23 Feb 2015 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 BRIAN WATT | 05 Mar 2014 | 03 Mar 2014 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 - BRIAN WATT | 27 Feb 2014 | 27 Feb 2014 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 - BRIAN WATT | 21 Feb 2014 | 21 Feb 2014 | 001-13879 |
| 4 | Open Document | Open Filing | FORM 4 - BRIAN WATT | 18 Feb 2014 | 18 Feb 2014 | 001-13879 |
| 4/A | Open Document | Open Filing | FORM 4/A - BRIAN WATT | 09 Jan 2014 | 09 Dec 2013 | 001-13879 |