| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 20 Jul 2021 | 19 Jul 2021 | 001-08344 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 20 Jul 2021 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 15 Jul 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2021 | 03 Jun 2021 | 001-08344 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 07 Jun 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2021 | 19 May 2021 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2021 | 13 May 2021 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Mar 2021 | 22 Mar 2021 | 001-08344 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 24 Mar 2021 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 18 Mar 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 | 17 Nov 2020 | 02 Oct 2020 | 001-08344 |
| SC 13D/A | Open Document | Open Filing | SC 13 D/A | 02 Sep 2020 | ||
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2020 | 25 Aug 2020 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2020 | 13 May 2020 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Jan 2020 | 29 Jan 2020 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 17 May 2019 | 15 May 2019 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2019 | 28 Mar 2019 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Feb 2019 | 30 Jan 2019 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 18 May 2018 | 16 May 2018 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Mar 2018 | 21 Mar 2018 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Oct 2017 | 13 Oct 2017 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 19 May 2017 | 17 May 2017 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Apr 2017 | 06 Apr 2017 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2017 | 30 Mar 2017 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Jan 2017 | 25 Jan 2017 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 30 Dec 2016 | 001-08344 |
| 4 | Open Document | Data | Open Filing | FORM 4 | 20 May 2016 | 18 May 2016 | 001-08344 |
| 4 | Open Document | Data | Open Filing | FORM 4 | 04 Apr 2016 | 31 Mar 2016 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jan 2016 | 27 Jan 2016 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2015 | 20 May 2015 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Apr 2015 | 02 Apr 2015 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Jan 2015 | 28 Jan 2015 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jan 2015 | 27 Jan 2015 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Aug 2014 | 25 Aug 2014 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2014 | 21 May 2014 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2014 | 31 Mar 2014 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Feb 2014 | 04 Feb 2014 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Feb 2014 | 30 Jan 2014 | 001-08344 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Jan 2014 | 27 Jan 2014 | 001-08344 |