| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Apr 2022 | 27 Apr 2022 | 001-13221 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Apr 2021 | 28 Apr 2021 | 001-13221 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2020 | 29 Apr 2020 | 001-13221 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Sep 2019 | 06 Sep 2019 | 001-13221 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Apr 2019 | 24 Apr 2019 | 001-13221 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Apr 2018 | 25 Apr 2018 | 001-13221 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2017 | 27 Apr 2017 | 001-13221 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2016 | 28 Apr 2016 | 001-13221 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2015 | 30 Apr 2015 | 001-13221 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Apr 2014 | 24 Apr 2014 | 001-13221 |