| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Jan 2024 | 28 Dec 2023 | 001-40964 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 01 Nov 2021 | 29 Oct 2021 | 001-40964 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Oct 2021 | 26 Oct 2021 | 001-40964 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Oct 2021 | 05 Oct 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Oct 2021 | 30 Sep 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2021 | 09 Jun 2021 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2020 | 10 Jun 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 20 May 2020 | 18 May 2020 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Nov 2019 | 20 Nov 2019 | 000-26427 |
| 4/A | Open Document | Open Filing | FORM 4/A | 23 Aug 2019 | 11 Aug 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Jun 2019 | 12 Jun 2019 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2019 | 06 Mar 2019 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2018 | 11 Jun 2018 | 000-26427 |
| 4/A | Open Document | Open Filing | FORM 4/A | 09 Apr 2018 | 26 Feb 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2018 | 26 Feb 2018 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Dec 2017 | 29 Nov 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Aug 2017 | 11 Aug 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jun 2017 | 14 Jun 2017 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jun 2016 | 13 Jun 2016 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2016 | 16 Feb 2016 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2016 | 05 Jan 2016 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jun 2015 | 17 Jun 2015 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Apr 2015 | 07 Apr 2015 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jun 2014 | 11 Jun 2014 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2014 | 15 May 2014 | 000-26427 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jan 2014 | 15 Jan 2014 | 000-26427 |