| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jun 2022 | 01 Jun 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2022 | 02 May 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Apr 2022 | 01 Apr 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2022 | 01 Mar 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Feb 2022 | 01 Feb 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Jan 2022 | 14 Jan 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2022 | 01 Jan 2022 | 000-56348 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Dec 2021 | 01 Dec 2021 | 000-56348 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 08 Oct 2021 | 08 Oct 2021 | 000-56348 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Mar 2021 | 09 Mar 2021 | 001-40186 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Mar 2018 | 20 Dec 2017 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Dec 2017 | 14 Dec 2017 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2017 | 11 Dec 2017 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2017 | 27 Dec 2016 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Dec 2016 | 12 Dec 2016 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Aug 2016 | 25 Aug 2016 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2016 | 08 Dec 2015 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Nov 2015 | 19 Nov 2015 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Aug 2015 | 19 Aug 2015 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2015 | 01 Dec 2014 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Nov 2014 | 20 Nov 2014 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jun 2014 | 18 Jun 2014 | 000-18225 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2014 | 25 Nov 2013 | 000-18225 |