| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Mar 2022 | 15 Mar 2022 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Mar 2022 | 07 Mar 2022 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2021 | 07 May 2021 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Apr 2021 | 01 Apr 2021 | 000-07099 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jul 2020 | 02 Jul 2020 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Jun 2020 | 20 May 2020 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 May 2019 | 09 May 2019 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2019 | 08 Mar 2019 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2018 | 01 Jun 2018 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Apr 2018 | 19 Apr 2018 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2018 | 12 Feb 2018 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2017 | 10 Mar 2017 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jan 2017 | 11 Jan 2017 | 000-07099 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 12 Jan 2017 | 09 Jan 2017 | 000-07099 |