| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 20 Mar 2023 | ||
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2023 | 10 Nov 2022 | 000-55136 |
| D | Open Document | Open Filing | 01 Sep 2022 | 021-457775 | ||
| D | Open Document | Open Filing | 01 Sep 2022 | 021-457772 | ||
| D | Open Document | Open Filing | 01 Sep 2022 | 021-457770 | ||
| D | Open Document | Open Filing | 01 Sep 2022 | 021-457769 | ||
| D | Open Document | Open Filing | 01 Sep 2022 | 021-457767 | ||
| D | Open Document | Open Filing | 01 Sep 2022 | 021-457764 | ||
| 5 | Open Document | Open Filing | FORM 5 | 31 Jan 2022 | 31 Dec 2021 | 000-55136 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 31 Jan 2022 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 17 Aug 2020 | ||
| 4/A | Open Document | Open Filing | FORM 4 A | 13 Aug 2020 | 07 Aug 2020 | 000-55136 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Aug 2020 | 07 Aug 2020 | 000-55136 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 28 Jan 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | 28 Jan 2020 | 20 Dec 2019 | 000-55136 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 01 Apr 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 | 01 Apr 2019 | 29 Mar 2019 | 000-55136 |
| SC 13G/A | Open Document | Open Filing | SC 13G | 19 Feb 2019 | 005-90931 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 04 Feb 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Feb 2019 | 01 Feb 2019 | 000-55136 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Dec 2018 | 27 Dec 2018 | 000-55136 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 02 Nov 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Nov 2018 | 01 Nov 2018 | 000-55136 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2018 | 29 Mar 2018 | 000-55136 |
| SC 13D/A | Open Document | Open Filing | SC 13D AMENDMENT NO. 1 | 05 Mar 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2018 | 24 Jan 2018 | 000-55136 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Feb 2018 | 16 Feb 2018 | 000-55136 |
| SC 13D | Open Document | Open Filing | SC 13D | 30 Jan 2018 | ||
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 29 Jan 2018 | 18 Jan 2018 | 000-55136 |