| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Nov 2021 | 23 Nov 2021 | 001-34470 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Oct 2021 | 05 Oct 2021 | 001-34470 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Mar 2021 | 15 Mar 2021 | 001-34470 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Mar 2021 | 13 Mar 2021 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 27 Jan 2021 | 25 Jan 2021 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 28 Dec 2020 | 24 Dec 2020 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 06 Oct 2020 | 05 Oct 2020 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 17 Mar 2020 | 13 Mar 2020 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 19 Mar 2019 | 15 Mar 2019 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 15 Mar 2019 | 13 Mar 2019 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 21 Dec 2018 | 20 Dec 2018 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 14 Jun 2018 | 12 Jun 2018 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 26 Mar 2018 | 26 Mar 2018 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 20 Mar 2018 | 16 Mar 2018 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 19 Mar 2018 | 13 Mar 2018 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 06 Nov 2017 | 03 Nov 2017 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 10 Oct 2017 | 07 Oct 2017 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 28 Mar 2017 | 25 Mar 2017 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 17 Mar 2017 | 15 Mar 2017 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 15 Mar 2017 | 13 Mar 2017 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 17 Feb 2017 | 17 Feb 2017 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 11 Oct 2016 | 07 Oct 2016 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 28 Mar 2016 | 25 Mar 2016 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 15 Mar 2016 | 13 Mar 2016 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 19 Feb 2016 | 17 Feb 2016 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 13 Jan 2016 | 11 Jan 2016 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 09 Oct 2015 | 07 Oct 2015 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 26 Mar 2015 | 13 Mar 2015 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 18 Feb 2015 | 17 Feb 2015 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 14 Jan 2015 | 12 Jan 2015 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 09 Oct 2014 | 07 Oct 2014 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 27 Mar 2014 | 25 Mar 2014 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 20 Feb 2014 | 18 Feb 2014 | 001-34470 |
| 4 | Open Document | Open Filing | 4 | 15 Jan 2014 | 13 Jan 2014 | 001-34470 |