| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 - | 25 May 2021 | 25 May 2021 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Feb 2021 | 29 Jan 2021 | 001-08931 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 28 Dec 2020 | 27 Nov 2020 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 01 Dec 2020 | 27 Nov 2020 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Nov 2020 | 19 Nov 2020 | 001-08931 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 06 Oct 2020 | 01 Oct 2020 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Oct 2020 | 01 Oct 2020 | 001-08931 |
| 4 | Open Document | Open Filing | 4 | 30 Jun 2020 | 26 Jun 2020 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 May 2020 | 11 May 2020 | 001-08931 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 12 Dec 2019 | 04 Dec 2019 | 001-08931 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 12 Dec 2019 | 01 Oct 2019 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Dec 2019 | 04 Dec 2019 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Dec 2019 | 29 Nov 2019 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Oct 2019 | 01 Oct 2019 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Jul 2019 | 28 Jun 2019 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 May 2019 | 08 May 2019 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Jan 2019 | 31 Dec 2018 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Nov 2018 | 21 Nov 2018 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Oct 2018 | 01 Oct 2018 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Jul 2018 | 29 Jun 2018 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Jan 2018 | 29 Dec 2017 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 13 Dec 2017 | 27 Nov 2017 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Oct 2017 | 01 Oct 2017 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Jul 2017 | 30 Jun 2017 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Jan 2017 | 30 Dec 2016 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 30 Nov 2016 | 28 Nov 2016 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Nov 2016 | 22 Nov 2016 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Oct 2016 | 01 Oct 2016 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 01 Jul 2016 | 30 Jun 2016 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 22 Feb 2016 | 18 Feb 2016 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Feb 2016 | 31 Dec 2015 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 Nov 2015 | 06 Nov 2015 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Oct 2015 | 01 Oct 2015 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Dec 2014 | 01 Oct 2014 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Nov 2014 | 06 Nov 2014 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Oct 2014 | 01 Oct 2014 | 001-08931 |
| 4/A | Open Document | Open Filing | FORM 4/A - | 07 Jul 2014 | 01 Jul 2014 | 001-08931 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 Jul 2014 | 01 Jul 2014 | 001-08931 |