| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 11 Dec 2025 | 10 Dec 2025 | 000-20574 | |
| SCHEDULE 13G/A | Open Document | Open Filing | 06 May 2025 | |||
| 4 | Open Document | Open Filing | 03 Apr 2025 | 01 Apr 2025 | 000-20574 | |
| 4 | Open Document | Open Filing | 28 Feb 2025 | 27 Feb 2025 | 000-20574 | |
| 144 | Open Document | Open Filing | 27 Feb 2025 | |||
| 4 | Open Document | Open Filing | 20 Feb 2025 | 18 Feb 2025 | 000-20574 | |
| 4 | Open Document | Open Filing | 18 Feb 2025 | 13 Feb 2025 | 000-20574 | |
| 4 | Open Document | Open Filing | 12 Feb 2025 | 10 Feb 2025 | 000-20574 | |
| 4 | Open Document | Open Filing | 12 Nov 2024 | 08 Nov 2024 | 000-20574 | |
| 144 | Open Document | Open Filing | 08 Nov 2024 | |||
| 4 | Open Document | Open Filing | 03 Apr 2024 | 01 Apr 2024 | 000-20574 | |
| 4 | Open Document | Open Filing | 20 Feb 2024 | 15 Feb 2024 | 000-20574 | |
| 4 | Open Document | Open Filing | 15 Feb 2024 | 13 Feb 2024 | 000-20574 | |
| 4 | Open Document | Open Filing | 13 Feb 2024 | 12 Feb 2024 | 000-20574 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 02 Feb 2024 | ||
| 4 | Open Document | Open Filing | 21 Feb 2023 | 16 Feb 2023 | 000-20574 | |
| 4 | Open Document | Open Filing | 14 Feb 2023 | 13 Feb 2023 | 000-20574 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 10 Feb 2023 | ||
| 4 | Open Document | Open Filing | 15 Feb 2022 | 13 Feb 2022 | 000-20574 | |
| 4 | Open Document | Open Filing | 14 Feb 2022 | 10 Feb 2022 | 000-20574 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 04 Feb 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2021 | 03 Mar 2021 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 24 Feb 2021 | 22 Feb 2021 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Feb 2021 | 10 Feb 2021 | 000-20574 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 03 Feb 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 09 Mar 2020 | 05 Mar 2020 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2020 | 03 Mar 2020 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 20 Feb 2020 | 18 Feb 2020 | 000-20574 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 10 Feb 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 13 Mar 2019 | 11 Mar 2019 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Mar 2019 | 05 Mar 2019 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Mar 2019 | 03 Mar 2019 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2019 | 28 Feb 2019 | 000-20574 |
| 5 | Open Document | Open Filing | FORM 5 - | 15 Feb 2019 | 01 Jan 2019 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 15 Feb 2019 | 13 Feb 2019 | 000-20574 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 11 Feb 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 01 May 2018 | 30 Apr 2018 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Mar 2018 | 15 Feb 2018 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 Mar 2018 | 07 Mar 2018 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Mar 2018 | 05 Mar 2018 | 000-20574 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 09 Feb 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 22 Mar 2017 | 17 Mar 2017 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Mar 2017 | 06 Mar 2017 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Mar 2017 | 02 Mar 2017 | 000-20574 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 10 Feb 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 09 Jan 2017 | 05 Jan 2017 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 21 Nov 2016 | 18 Nov 2016 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 Mar 2016 | 07 Mar 2016 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Mar 2016 | 03 Mar 2016 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 26 Feb 2016 | 25 Feb 2016 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 23 Feb 2016 | 19 Feb 2016 | 000-20574 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 12 Feb 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 07 Jan 2016 | 05 Jan 2016 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 28 Apr 2015 | 27 Apr 2015 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 12 Mar 2015 | 11 Mar 2015 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 Mar 2015 | 05 Mar 2015 | 000-20574 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Feb 2015 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 07 Jan 2015 | 05 Jan 2015 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 Mar 2014 | 07 Mar 2014 | 000-20574 |
| 4 | Open Document | Open Filing | FORM 4 - | 07 Mar 2014 | 06 Mar 2014 | 000-20574 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2014 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 08 Jan 2014 | 06 Jan 2014 | 000-20574 |