| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 22 May 2025 | 21 May 2025 | 000-19582 | |
| 4 | Open Document | Open Filing | 14 Feb 2025 | 12 Feb 2025 | 000-19582 | |
| 4 | Open Document | Open Filing | 17 May 2024 | 15 May 2024 | 000-19582 | |
| 4 | Open Document | Open Filing | 28 Feb 2024 | 27 Feb 2024 | 000-19582 | |
| 4 | Open Document | Open Filing | 17 Nov 2023 | 16 Nov 2023 | 000-19582 | |
| 4 | Open Document | Open Filing | 25 May 2023 | 24 May 2023 | 000-19582 | |
| 4 | Open Document | Open Filing | 18 May 2023 | 17 May 2023 | 000-19582 | |
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2022 | 08 Aug 2022 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2022 | 18 Feb 2022 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2021 | 11 Feb 2021 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Feb 2021 | 06 Nov 2020 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2020 | 26 Feb 2020 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Feb 2020 | 08 Aug 2019 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2019 | 15 May 2019 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2019 | 29 May 2018 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2018 | 16 May 2018 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2018 | 07 Aug 2017 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2017 | 04 May 2017 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2017 | 22 Feb 2016 | 000-19582 |
| SC 13D/A | Open Document | Open Filing | SC 13D AMENDMENT NO. 3 | 23 Nov 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 | 15 Aug 2016 | 12 Aug 2016 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2016 | 11 Aug 2016 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2016 | 09 Aug 2016 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Aug 2016 | 08 Aug 2016 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2016 | 25 May 2016 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2016 | 22 May 2015 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2015 | 29 May 2015 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Feb 2015 | 27 Feb 2014 | 000-19582 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 09 Jun 2014 | ||
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2014 | 30 May 2014 | 000-19582 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2014 | 30 Aug 2013 | 000-19582 |