| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Oct 2021 | 15 Oct 2021 | 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 | 16 Jul 2021 | 15 Jul 2021 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Apr 2021 | 15 Apr 2021 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Jan 2021 | 15 Jan 2021 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Oct 2020 | 15 Oct 2020 | 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 | 17 Jul 2020 | 15 Jul 2020 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 May 2020 | 06 May 2020 | 001-33708 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Apr 2020 | 15 Apr 2020 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jan 2020 | 15 Jan 2020 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Oct 2019 | 15 Oct 2019 | 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 | 16 Jul 2019 | 15 Jul 2019 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 - | 03 May 2019 | 01 May 2019 | 001-33708 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Apr 2019 | 15 Apr 2019 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jan 2019 | 15 Jan 2019 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Oct 2018 | 15 Oct 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 - | 15 May 2018 | 11 May 2018 | 001-33708 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 May 2018 | 09 May 2018 | 001-33708 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2018 | 08 Jan 2018 | 000-23354 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 08 Jan 2018 | 08 Jan 2018 | 000-23354 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 May 2017 | 03 May 2017 | 001-33708 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 May 2016 | 04 May 2016 | 001-33708 |
| 4 | Open Document | Open Filing | FORM 4 - | 08 May 2015 | 06 May 2015 | 001-33708 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 May 2014 | 07 May 2014 | 001-33708 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 May 2013 | 08 May 2013 | 001-33708 |
| 4 | Open Document | Open Filing | FORM 4 - | 11 May 2012 | 09 May 2012 | 001-33708 |