| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 144 | Open Document | Open Filing | 28 Aug 2025 | |||
| 4 | Open Document | Open Filing | 28 Aug 2025 | 27 Aug 2025 | 000-31641 | |
| 4 | Open Document | Open Filing | 06 Jun 2025 | 04 Jun 2025 | 000-31641 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Nov 2022 | 08 Nov 2022 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Aug 2022 | 10 Aug 2022 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Aug 2022 | 08 Aug 2022 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 May 2022 | 10 May 2022 | 000-31641 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Feb 2022 | 08 Feb 2022 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Nov 2021 | 09 Nov 2021 | 000-31641 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Aug 2021 | 08 May 2018 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Aug 2021 | 09 Aug 2021 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 May 2021 | 07 May 2021 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Feb 2021 | 09 Feb 2021 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Nov 2020 | 09 Nov 2020 | 000-31641 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Aug 2020 | 07 Aug 2020 | 000-31641 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2020 | 07 May 2020 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Mar 2020 | 28 Feb 2020 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 10 Feb 2020 | 07 Feb 2020 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Nov 2019 | 07 Nov 2019 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Aug 2019 | 06 Aug 2019 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 May 2019 | 07 May 2019 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Mar 2019 | 20 Mar 2019 | 000-31641 |
| 4/A | Open Document | Open Filing | OWNERSHIP DOCUMENT | 12 Feb 2019 | 11 Feb 2019 | 000-31641 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Feb 2019 | 11 Feb 2019 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Feb 2019 | 07 Feb 2019 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Nov 2018 | 07 Nov 2018 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Sep 2018 | 14 Sep 2018 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Aug 2018 | 07 Aug 2018 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 May 2018 | 08 May 2018 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Feb 2018 | 07 Feb 2018 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Nov 2017 | 16 Nov 2017 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Nov 2017 | 07 Nov 2017 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Aug 2017 | 07 Aug 2017 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 11 Jul 2017 | 11 Jul 2017 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Jun 2017 | 14 Jun 2017 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 May 2017 | 09 May 2017 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Mar 2017 | 17 Mar 2017 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 15 Mar 2017 | 14 Mar 2017 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Mar 2017 | 12 Mar 2017 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Feb 2017 | 07 Feb 2017 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Nov 2016 | 07 Nov 2016 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Oct 2016 | 14 Oct 2016 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Oct 2016 | 06 Oct 2016 | 000-31641 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Aug 2016 | 25 Aug 2016 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Aug 2016 | 15 Aug 2016 | 000-31641 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2016 | 02 Jun 2016 | 000-31641 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2016 | 19 May 2016 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Feb 2016 | 15 Feb 2016 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Nov 2015 | 16 Nov 2015 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Aug 2015 | 17 Aug 2015 | 000-31641 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2015 | 15 May 2015 | 000-31641 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Apr 2015 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Apr 2015 | 10 Apr 2015 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Feb 2015 | 17 Feb 2015 | 000-31641 |
| SC 13G/A | Open Document | Open Filing | FORM SC 13G/A | 02 Feb 2015 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Nov 2014 | 17 Nov 2014 | 000-31641 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2014 | 10 Nov 2014 | 000-31641 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Aug 2014 | 15 Aug 2014 | 000-31641 |