| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 07 May 2021 | 05 May 2021 | 000-54545 | |
| 4 | Open Document | Open Filing | 21 Apr 2021 | 19 Apr 2021 | 000-54545 | |
| 4 | Open Document | Open Filing | 02 Jul 2020 | 30 Jun 2020 | 000-54545 | |
| 4 | Open Document | Open Filing | 18 Feb 2020 | 14 Feb 2020 | 000-54545 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jan 2019 | 15 Jan 2019 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jan 2019 | 31 Dec 2018 | 001-33540 |
| 4 | Open Document | Open Filing | 4 | 06 Dec 2018 | 03 Dec 2018 | 000-54545 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Nov 2018 | 13 Nov 2018 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Oct 2018 | 01 Oct 2018 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Sep 2018 | 24 Sep 2018 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2018 | 05 Sep 2018 | 001-33540 |
| 4 | Open Document | Open Filing | 4 | 17 Aug 2018 | 15 Aug 2018 | 000-54545 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jul 2018 | 03 Jul 2018 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Jun 2018 | 26 Jun 2018 | 001-33540 |
| 4 | Open Document | Open Filing | 4 | 02 May 2018 | 30 Apr 2018 | 000-54545 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2018 | 31 Mar 2018 | 001-33540 |
| 4 | Open Document | Open Filing | 4 | 23 Mar 2018 | 22 Mar 2018 | 000-54545 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Feb 2018 | 02 Feb 2018 | 000-54545 |
| 4 | Open Document | Open Filing | 4 | 20 Dec 2017 | 19 Dec 2017 | 000-54545 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Nov 2017 | 14 Nov 2017 | 001-33540 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 13 Nov 2017 | ||
| 4 | Open Document | Open Filing | 4 | 09 Nov 2017 | 08 Nov 2017 | 000-54545 |
| 3 | Open Document | Open Filing | 3 | 03 Oct 2017 | 28 Sep 2017 | 000-54545 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2017 | 30 Sep 2017 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jul 2017 | 30 Jun 2017 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Jun 2017 | 22 Jun 2017 | 001-33540 |
| SC 13D | Open Document | Open Filing | SC 13D | 13 Jun 2017 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2017 | 31 Mar 2017 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Nov 2016 | 14 Nov 2016 | 001-33540 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2016 | 31 Oct 2016 | 001-33762 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2016 | 30 Sep 2016 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Jul 2016 | 30 Jun 2016 | 001-33540 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 06 Apr 2016 | 31 Mar 2016 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Apr 2016 | 31 Mar 2016 | 001-33540 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Nov 2015 | 17 Nov 2015 | 001-33540 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2015 | 11 Aug 2015 | 001-33762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2015 | 01 Jul 2015 | 001-33762 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2015 | 27 Jan 2015 | 001-33762 |
| 4 | Open Document | Open Filing | DECEMBER 2014 PURCHASES | 12 Dec 2014 | 10 Dec 2014 | 001-33540 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Nov 2014 | 25 Nov 2014 | 001-33762 |
| 4 | Open Document | Open Filing | NOVEMBER 2014 RSU GRANT | 20 Nov 2014 | 18 Nov 2014 | 001-33540 |
| 4 | Open Document | Open Filing | 03 Oct 2014 | 01 Oct 2014 | 001-33540 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2014 | 01 Jul 2014 | 001-33762 |
| 4 | Open Document | Open Filing | 21 Mar 2014 | 19 Mar 2014 | 001-33540 | |
| 3/A | Open Document | Open Filing | 06 Jan 2014 | 20 Dec 2013 | 001-33540 |