| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 07 Mar 2022 | 11 Feb 2021 | 000-14818 | |
| D | Open Document | Open Filing | 19 May 2020 | 021-367316 | ||
| 4 | Open Document | Open Filing | 01 Apr 2020 | 30 Mar 2020 | 000-14818 | |
| D | Open Document | Open Filing | 27 Nov 2019 | 021-354374 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 30 May 2019 | ||
| SC 13G | Open Document | Open Filing | SC 13G | 20 May 2019 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 22 Apr 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Apr 2019 | 10 Apr 2019 | 000-29637 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2019 | 31 Mar 2019 | 000-29637 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 13 Mar 2019 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 13 Feb 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2019 | 11 Feb 2019 | 000-29637 |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 11 Feb 2019 | ||
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 11 Feb 2019 | ||
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 11 Feb 2019 | ||
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 11 Feb 2019 | ||
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 04 Feb 2019 | 24 Jan 2019 | 000-14818 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 04 Feb 2019 | 24 Jan 2019 | 000-27248 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 04 Feb 2019 | 24 Jan 2019 | 000-21214 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 24 Jan 2019 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2019 | 31 Dec 2018 | 000-29637 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 03 Jan 2019 | 21 Dec 2018 | 000-29637 |