| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Aug 2021 | 16 Aug 2021 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2020 | 17 Aug 2020 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2020 | 02 Mar 2020 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Nov 2019 | 01 Nov 2019 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2019 | 03 Sep 2019 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2019 | 15 Aug 2019 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2019 | 06 Mar 2019 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2018 | 17 Sep 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Sep 2018 | 04 Sep 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2018 | 17 Aug 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2018 | 15 Aug 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Aug 2018 | 01 Aug 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2018 | 02 Apr 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2018 | 15 Mar 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2018 | 07 Mar 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2018 | 26 Feb 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Feb 2018 | 01 Feb 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jan 2018 | 16 Jan 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2018 | 02 Jan 2018 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2017 | 15 Dec 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2017 | 01 Dec 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 15 Nov 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2017 | 01 Nov 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2017 | 17 Aug 2017 | 000-23599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2017 | 15 Aug 2017 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 May 2017 | 08 May 2017 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Aug 2016 | 17 Aug 2016 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2016 | 15 Aug 2016 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 May 2016 | 04 May 2016 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Aug 2015 | 15 Aug 2015 | 000-23599 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2015 | 26 May 2015 | 000-23599 |
| 4 | Open Document | Open Filing | RESTRICTED STOCK TAX PAYMENT | 25 Aug 2014 | 21 Aug 2014 | 000-23599 |
| 4 | Open Document | Open Filing | RSA GRANT & RSA TAXES | 19 Aug 2014 | 15 Aug 2014 | 000-23599 |