| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Oct 2022 | 12 Oct 2022 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Sep 2022 | 15 Sep 2022 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Feb 2022 | 21 Feb 2022 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Dec 2021 | 27 Dec 2021 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Sep 2021 | 15 Sep 2021 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Sep 2021 | 03 Sep 2021 | 001-36507 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 05 Mar 2021 | 03 Mar 2021 | 001-36507 |
| 4 | Open Document | Open Filing | 4 | 16 Sep 2020 | 15 Sep 2020 | 001-36507 |
| 3 | Open Document | Open Filing | 3 | 15 Sep 2020 | 15 Sep 2020 | 001-36507 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jun 2020 | 01 Jun 2020 | 000-19357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Aug 2019 | 01 Aug 2019 | 000-19357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 May 2019 | 24 May 2019 | 000-19357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Aug 2018 | 01 Aug 2018 | 000-19357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Aug 2017 | 07 Aug 2017 | 000-19357 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Aug 2017 | 01 Aug 2017 | 000-19357 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 03 Aug 2017 | 01 Aug 2017 | 000-19357 |