| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2021 | 25 May 2021 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Jun 2020 | 11 Jun 2020 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2019 | 05 Jun 2019 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jun 2018 | 12 Jun 2018 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Nov 2017 | 13 Nov 2017 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 May 2017 | 16 May 2017 | 000-07099 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 20 May 2016 | 12 May 2016 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2016 | 12 May 2016 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Sep 2015 | 04 Sep 2015 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Aug 2015 | 13 Aug 2015 | 000-07099 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2014 | 15 May 2014 | 000-07099 |