| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 27 Oct 2023 | 26 Oct 2023 | 000-32917 | |
| 4 | Open Document | Open Filing | 09 Dec 2022 | 07 Dec 2022 | 000-32917 | |
| 4 | Open Document | Open Filing | 18 May 2022 | 16 May 2022 | 000-32917 | |
| 4 | Open Document | Open Filing | 17 Mar 2022 | 15 Mar 2022 | 000-32917 | |
| 4 | Open Document | Open Filing | 02 Sep 2021 | 19 Aug 2021 | 000-32917 | |
| 4 | Open Document | Open Filing | 06 Aug 2021 | 04 Aug 2021 | 000-32917 | |
| 4 | Open Document | Open Filing | 28 Jun 2021 | 13 Apr 2021 | 000-32917 | |
| 4 | Open Document | Open Filing | 15 Jun 2020 | 12 Jun 2020 | 000-32917 | |
| 4 | Open Document | Open Filing | 19 Nov 2019 | 18 Nov 2019 | 000-32917 | |
| 4 | Open Document | Open Filing | 16 Oct 2019 | 24 Sep 2019 | 000-32917 | |
| 4 | Open Document | Open Filing | 23 Sep 2019 | 18 Sep 2019 | 000-32917 | |
| 4 | Open Document | Open Filing | 17 Jul 2019 | 15 Jul 2019 | 000-32917 | |
| 4 | Open Document | Open Filing | 20 Jun 2019 | 12 Jun 2019 | 000-32917 | |
| 4 | Open Document | Open Filing | 14 May 2019 | 10 May 2019 | 000-32917 | |
| 4 | Open Document | Open Filing | FORM 4 | 08 Apr 2019 | 05 Apr 2019 | 000-32917 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Nov 2018 | 09 Nov 2018 | 000-32917 |
| 3 | Open Document | Open Filing | FORM 3 | 24 Sep 2018 | 19 Sep 2018 | 000-28353 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Aug 2018 | 02 Aug 2018 | 000-32917 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2018 | 17 May 2018 | 000-32917 |
| 3 | Open Document | Open Filing | FORM 3 | 04 Dec 2017 | 14 Nov 2017 | 000-32917 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jan 2016 | 03 Nov 2015 | 000-23530 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Oct 2015 | 30 Sep 2015 | 000-23530 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jan 2015 | 31 Dec 2014 | 000-23530 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jul 2014 | 30 Apr 2014 | 000-23530 |