| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 25 Jun 2025 | 24 Jun 2025 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Dec 2024 | 13 Nov 2024 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2024 | 09 May 2024 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Feb 2024 | 04 Oct 2023 | 000-27408 |
| 4/A | Open Document | Open Filing | FORM 4/A | 29 Feb 2024 | 30 May 2022 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2023 | 10 Nov 2022 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2023 | 30 May 2022 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2023 | 28 Jan 2022 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2021 | 18 Nov 2021 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Sep 2021 | 07 Sep 2021 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Sep 2021 | 01 Sep 2021 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Aug 2021 | 26 Aug 2021 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Aug 2021 | 10 Aug 2021 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2021 | 17 May 2021 | 000-27408 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT TO FORM SC 13D | 14 May 2021 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 6 | 11 Mar 2020 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 5 | 18 Oct 2019 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 4 | 25 Jan 2019 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 3 | 19 Sep 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | 10 Sep 2018 | 06 Sep 2018 | 000-27408 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 2 | 06 Aug 2018 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 | 01 Jun 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | 21 Apr 2017 | 04 May 2016 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jan 2017 | 04 May 2016 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2014 | 01 Apr 2014 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2014 | 11 Mar 2014 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Mar 2014 | 06 Mar 2014 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Feb 2014 | 24 Feb 2014 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2014 | 20 Feb 2014 | 000-27408 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2014 | 27 Jan 2014 | 000-27408 |