| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 30 May 2025 | 29 May 2025 | 001-15997 |
| 4 | Open Document | Open Filing | 4 | 03 Jun 2024 | 30 May 2024 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jun 2023 | 08 Jun 2023 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2023 | 09 May 2023 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2022 | 26 May 2022 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2022 | 17 May 2022 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Nov 2021 | 08 Nov 2021 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Nov 2021 | 02 Nov 2021 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Oct 2021 | 14 Oct 2021 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Oct 2021 | 04 Oct 2021 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Jun 2021 | 24 Jun 2021 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Jun 2021 | 14 Jun 2021 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2021 | 27 May 2021 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Apr 2021 | 15 Apr 2021 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2020 | 28 May 2020 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2019 | 30 May 2019 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2018 | 31 May 2018 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2017 | 25 May 2017 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 27 May 2016 | 26 May 2016 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2015 | 28 May 2015 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jul 2014 | 15 Jul 2014 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2014 | 03 Jan 2014 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2013 | 11 Dec 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Dec 2013 | 04 Dec 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Nov 2013 | 21 Nov 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Nov 2013 | 13 Nov 2013 | 001-15997 |
| 4/A | Open Document | Open Filing | FORM 4A OPTIONS P2 | 12 Nov 2013 | 06 Nov 2013 | 001-15997 |
| 4/A | Open Document | Open Filing | FORM 4A OPTIONS | 12 Nov 2013 | 06 Nov 2013 | 001-15997 |
| 4/A | Open Document | Open Filing | FORM 4A PART 2 | 12 Nov 2013 | 06 Nov 2013 | 001-15997 |
| 4/A | Open Document | Open Filing | FORM 4A | 12 Nov 2013 | 06 Nov 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Nov 2013 | 06 Nov 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 PART 2 | 08 Nov 2013 | 06 Nov 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Nov 2013 | 06 Nov 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2013 | 30 Oct 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2013 | 30 Oct 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Oct 2013 | 23 Oct 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Oct 2013 | 16 Oct 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Aug 2013 | 26 Aug 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Aug 2013 | 12 Aug 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2013 | 30 May 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2013 | 10 May 2013 | 001-15997 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2012 | 31 May 2012 | 001-15997 |