| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 30 May 2025 | 29 May 2025 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Mar 2025 | 28 Mar 2025 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 - STEAD | 06 Jun 2024 | 06 Jun 2024 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jun 2024 | 30 May 2024 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 - STEAD | 25 Mar 2024 | 25 Mar 2024 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 - STEAD | 06 Jun 2023 | 06 Jun 2023 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 - STEAD | 24 Mar 2023 | 23 Mar 2023 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2022 | 23 Mar 2022 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2022 | 17 Mar 2022 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2021 | 10 Dec 2021 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Sep 2021 | 10 Sep 2021 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jun 2021 | 10 Jun 2021 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2021 | 16 Mar 2021 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2021 | 10 Mar 2021 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2020 | 17 Mar 2020 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2020 | 11 Mar 2020 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Mar 2019 | 15 Mar 2019 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Mar 2018 | 19 Mar 2018 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Mar 2018 | 15 Mar 2018 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Feb 2018 | 23 Feb 2018 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Mar 2017 | 20 Mar 2017 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Mar 2017 | 16 Mar 2017 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2016 | 06 Sep 2016 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 May 2016 | 11 May 2016 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2016 | 17 Mar 2016 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Mar 2015 | 18 Mar 2015 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Mar 2015 | 10 Mar 2015 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Aug 2014 | 13 Aug 2014 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Mar 2014 | 18 Mar 2014 | 000-27701 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2014 | 11 Mar 2014 | 000-27701 |