| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2023 | 10 Mar 2023 | 001-14007 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Nov 2022 | 16 Nov 2022 | 001-14007 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Apr 2022 | 04 Apr 2022 | 001-14007 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2022 | 10 Mar 2022 | 001-14007 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 29 Jul 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | 29 Jul 2021 | 27 Jul 2021 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Jun 2021 | 24 Jun 2021 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2021 | 30 Apr 2021 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2020 | 13 May 2020 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jan 2020 | 02 Jan 2020 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Sep 2019 | 12 Sep 2019 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2019 | 05 Jun 2019 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 29 May 2019 | 17 May 2019 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2019 | 25 Apr 2019 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Nov 2018 | 15 Nov 2018 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Aug 2018 | 23 Aug 2018 | 000-30407 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 24 Aug 2018 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 12 Jun 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2018 | 08 Jun 2018 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2018 | 17 May 2018 | 000-30407 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 25 Jan 2018 | ||
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2017 | 09 Nov 2017 | 000-30407 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 29 Aug 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | 25 Aug 2017 | 23 Aug 2017 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Jun 2017 | 08 Jun 2017 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jun 2017 | 30 May 2017 | 000-30407 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 05 Jun 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2017 | 07 Mar 2017 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2017 | 23 Feb 2017 | 000-30407 |
| SC 13D | Open Document | Open Filing | SC 13D | 14 Feb 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2016 | 03 Mar 2016 | 000-30407 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 10 Feb 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Dec 2015 | 15 Dec 2015 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Aug 2015 | 18 Aug 2015 | 000-30407 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Mar 2015 | 05 Mar 2015 | 000-30407 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 02 Feb 2015 | ||
| 4 | Open Document | Open Filing | 23 Dec 2014 | 22 Dec 2014 | 000-30407 | |
| 4 | Open Document | Open Filing | 07 Mar 2014 | 06 Mar 2014 | 000-30407 | |
| 4 | Open Document | Open Filing | 24 Feb 2014 | 19 Feb 2014 | 000-30407 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 07 Feb 2014 |