| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2021 | 30 Jun 2021 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2021 | 31 Mar 2021 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Mar 2021 | 18 Mar 2021 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2021 | 31 Dec 2020 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2020 | 30 Sep 2020 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2020 | 30 Jun 2020 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2020 | 06 May 2020 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2020 | 31 Mar 2020 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Mar 2020 | 13 Mar 2020 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Mar 2020 | 05 Mar 2020 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2020 | 31 Dec 2019 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2019 | 30 Sep 2019 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2019 | 30 Jun 2019 | 000-17071 |
| 3/A | Open Document | Open Filing | FORM 3/A | 02 Apr 2019 | 09 Nov 2017 | 000-17071 |
| 4/A | Open Document | Open Filing | FORM 4/A | 26 Oct 2018 | 30 Jun 2018 | 000-17071 |
| 4/A | Open Document | Open Filing | FORM 4/A | 26 Oct 2018 | 20 Aug 2018 | 000-17071 |
| 4/A | Open Document | Open Filing | FORM 4/A | 26 Oct 2018 | 30 Sep 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2018 | 30 Sep 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Aug 2018 | 20 Aug 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jul 2018 | 30 Jun 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jun 2018 | 06 Jun 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2018 | 31 Mar 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 19 Dec 2017 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 31 Dec 2017 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2017 | 29 Nov 2017 | 000-17071 |
| 3 | Open Document | Open Filing | FORM 3 | 21 Nov 2017 | 09 Nov 2017 | 000-17071 |