| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Aug 2022 | 25 Aug 2022 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Aug 2021 | 04 Aug 2021 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Aug 2020 | 07 Aug 2020 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Aug 2019 | 20 Aug 2019 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Dec 2018 | 04 Dec 2018 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2018 | 16 Aug 2018 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2017 | 15 Aug 2017 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2016 | 01 Sep 2016 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Aug 2016 | 09 Sep 2015 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Aug 2015 | 20 Aug 2015 | 000-23354 |
| 4 | Open Document | Open Filing | 02 Sep 2014 | 28 Aug 2014 | 000-23354 | |
| 4 | Open Document | Open Filing | 10 Jan 2014 | 08 Jan 2014 | 000-23354 | |
| 3 | Open Document | Open Filing | 10 Jan 2014 | 08 Jan 2014 | 000-23354 |