| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 05 May 2025 | 01 May 2025 | 001-33351 | |
| 4 | Open Document | Open Filing | FORM 4 | 24 May 2024 | 22 May 2024 | 001-33351 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2024 | 30 Apr 2024 | 001-33351 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2023 | 04 Aug 2023 | 001-33351 |
| 4 | Open Document | Open Filing | FORM 4 | 05 May 2023 | 02 May 2023 | 001-33351 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2022 | 24 May 2022 | 001-33351 |
| 4 | Open Document | Open Filing | FORM 4 NK | 20 Oct 2021 | 18 Oct 2021 | 000-14602 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2021 | 27 May 2021 | 001-33351 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Jan 2021 | 12 Jan 2021 | 001-33351 |
| 4 | Open Document | Open Filing | FORM 4 NK | 31 Aug 2020 | 27 Aug 2020 | 000-14602 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Feb 2020 | 18 Feb 2020 | 000-14602 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Aug 2018 | 27 Aug 2018 | 000-14602 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2018 | 01 May 2018 | 001-33351 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jan 2018 | 25 Jan 2018 | 001-33351 |
| 4/A | Open Document | Open Filing | FORM 4/A | 31 Oct 2017 | 24 Aug 2017 | 000-14602 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Aug 2017 | 24 Aug 2017 | 000-14602 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Aug 2017 | 03 Aug 2017 | 001-33351 |
| 3 | Open Document | Open Filing | FORM 3 | 31 Oct 2016 | 21 Oct 2016 | 000-14602 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Jun 2016 | 31 May 2016 | 001-33351 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Jun 2015 | 15 Jun 2015 | 001-33351 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 May 2014 | 06 May 2014 | 001-33351 |