| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2022 | 23 Feb 2022 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2022 | 14 Feb 2022 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Aug 2021 | 03 Aug 2021 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2021 | 26 Feb 2021 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Feb 2021 | 14 Feb 2021 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2020 | 30 Nov 2020 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Sep 2020 | 31 Aug 2020 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Aug 2020 | 27 Aug 2020 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2020 | 29 May 2020 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2020 | 14 Feb 2020 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Dec 2019 | 29 Nov 2019 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2019 | 09 Aug 2019 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jun 2019 | 31 May 2019 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 07 May 2019 | 06 May 2019 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Mar 2019 | 28 Feb 2019 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Feb 2019 | 14 Feb 2019 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Feb 2019 | 06 Feb 2019 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Aug 2018 | 21 Aug 2018 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 31 May 2018 | 29 May 2018 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2018 | 14 Feb 2018 | 000-19271 |
| 3/A | Open Document | Open Filing | FORM 3/A | 26 Jan 2018 | 30 Dec 2016 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Dec 2017 | 30 Nov 2017 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Jun 2017 | 31 May 2017 | 000-19271 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Feb 2017 | 14 Feb 2017 | 000-19271 |
| 3 | Open Document | Open Filing | FORM 3 | 06 Jan 2017 | 30 Dec 2016 | 000-19271 |