| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | 20 Jun 2025 | 19 Jun 2025 | 000-21423 |
| 4 | Open Document | Open Filing | 4 | 17 Jan 2025 | 15 Jan 2025 | 000-21423 |
| 4 | Open Document | Open Filing | 4 | 17 Jan 2025 | 15 Jan 2025 | 000-21423 |
| 5/A | Open Document | Open Filing | 5/A | 17 Jan 2025 | 15 Jan 2025 | 000-21423 |
| 5 | Open Document | Open Filing | 5 | 16 Jan 2025 | 15 Jan 2025 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jan 2024 | 15 Jan 2024 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Jan 2023 | 15 Jan 2023 | 000-21423 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 20 Jan 2022 | 15 Jan 2022 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Jan 2022 | 15 Jan 2022 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Jan 2021 | 15 Jan 2021 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2020 | 06 Mar 2020 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Mar 2020 | 05 Mar 2020 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jan 2020 | 15 Jan 2020 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Aug 2019 | 14 Aug 2019 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 | 28 May 2019 | 23 May 2019 | 001-36432 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jan 2019 | 15 Jan 2019 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Sep 2018 | 06 Sep 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Aug 2018 | 22 Aug 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Aug 2018 | 17 Aug 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jul 2018 | 03 Jul 2018 | 001-36432 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jun 2018 | 30 May 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2018 | 09 May 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2018 | 28 Feb 2018 | 000-21423 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Feb 2018 | 22 Feb 2018 | 001-36411 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 26 Feb 2018 | 22 Feb 2018 | 001-36411 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jan 2018 | 15 Jan 2018 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Dec 2017 | 21 Dec 2017 | 001-36432 |
| 3/A | Open Document | Open Filing | FORM 3/A | 22 Dec 2017 | 21 Dec 2017 | 001-36432 |
| 3 | Open Document | Open Filing | FORM 3 | 22 Dec 2017 | 21 Dec 2017 | 001-36432 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Jan 2017 | 15 Jan 2017 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Oct 2016 | 26 Oct 2016 | 000-21423 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Aug 2016 | 01 Aug 2016 | 000-21423 |