| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 17 May 2023 | 15 May 2023 | 001-16537 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jun 2022 | 16 Jun 2022 | 001-35803 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 18 May 2022 | 16 May 2022 | 001-16537 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jan 2022 | 10 Jan 2022 | 001-33650 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Nov 2021 | 08 Nov 2021 | 001-16537 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2021 | 08 Nov 2021 | 001-16537 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jan 2021 | 11 Jan 2021 | 001-33650 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Nov 2020 | 06 Nov 2020 | 001-35803 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Nov 2020 | 05 Nov 2020 | 000-21154 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Nov 2020 | 01 Nov 2020 | 001-33650 |
| 3 | Open Document | Open Filing | FORM 3 | 03 Nov 2020 | 01 Nov 2020 | 001-33650 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2020 | 01 Sep 2020 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2020 | 13 May 2020 | 001-35803 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Sep 2019 | 01 Sep 2019 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2019 | 15 May 2019 | 001-35803 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Sep 2018 | 01 Sep 2018 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2018 | 16 May 2018 | 001-35803 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2018 | 16 May 2018 | 001-35803 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2017 | 01 Sep 2017 | 000-21154 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2016 | 05 Dec 2016 | 001-14956 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2016 | 02 Aug 2016 | 001-14956 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2016 | 05 Dec 2016 | 001-14956 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2016 | 01 Sep 2016 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2016 | 12 May 2016 | 001-14956 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2016 | 16 Feb 2016 | 000-21154 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Sep 2015 | 01 Sep 2015 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2015 | 20 Jul 2015 | 001-14956 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jun 2015 | 13 May 2015 | 001-14956 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 May 2015 | 26 May 2015 | 001-14956 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2015 | 13 May 2015 | 001-14956 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2015 | 02 Mar 2014 | 001-33277 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jan 2015 | 21 Jan 2015 | 000-21154 |
| 4/A | Open Document | Open Filing | FORM 4/A | 23 Jan 2015 | 22 Oct 2014 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2014 | 02 Sep 2014 | 000-21154 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Sep 2014 | 02 Sep 2014 | 001-33277 |
| 3 | Open Document | Open Filing | FORM 3 - | 04 Sep 2014 | 03 Sep 2014 | 001-33277 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2014 | 02 Sep 2014 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Aug 2014 | 13 Aug 2014 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2014 | 23 Apr 2014 | 000-21154 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2014 | 22 Jan 2014 | 000-21154 |