| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Aug 2022 | 04 Aug 2022 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Aug 2021 | 09 Aug 2021 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Aug 2021 | 02 Aug 2021 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2021 | 29 Jul 2021 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Jan 2020 | 03 Jan 2020 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2019 | 17 Sep 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Sep 2019 | 04 Sep 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Aug 2019 | 26 Aug 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2019 | 01 Aug 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jul 2019 | 25 Jul 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jul 2019 | 23 Jul 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2019 | 19 Jul 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Mar 2019 | 19 Mar 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2019 | 13 Mar 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2019 | 08 Mar 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Mar 2019 | 06 Mar 2019 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2018 | 18 Dec 2018 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2018 | 25 Jul 2018 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jul 2018 | 19 Jul 2018 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Dec 2017 | 18 Dec 2017 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jul 2017 | 18 Jul 2017 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jul 2017 | 07 Jul 2017 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Jul 2017 | 05 Jul 2017 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jun 2017 | 19 Jun 2017 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jul 2016 | 25 Jul 2016 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jul 2016 | 15 Jul 2016 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jul 2016 | 13 Jul 2016 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2016 | 06 Jul 2016 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2016 | 29 Jun 2016 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2016 | 24 Jun 2016 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 May 2015 | 14 May 2015 | 000-19954 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Nov 2014 | 12 Nov 2014 | 000-19954 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Oct 2014 | 31 Aug 2014 | 000-19954 |