| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 18 Aug 2021 | 16 Aug 2021 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Aug 2021 | 10 Aug 2021 | 000-17071 |
| 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 | 10 Feb 2021 | 08 Feb 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 | 14 Aug 2020 | 12 Aug 2020 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2020 | 31 Jul 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 | 03 Jan 2020 | 31 Dec 2019 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Dec 2019 | 17 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 | 18 Sep 2019 | 13 Sep 2019 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Sep 2019 | 05 Sep 2019 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Aug 2019 | 09 Aug 2019 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2019 | 28 Jun 2019 | 000-17071 |
| 4/A | Open Document | Open Filing | FORM 4/A | 05 Jun 2019 | 29 Mar 2019 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2019 | 29 Mar 2019 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Mar 2019 | 07 Mar 2019 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2019 | 31 Dec 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Dec 2018 | 05 Dec 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Nov 2018 | 29 Nov 2018 | 000-17071 |
| 4/A | Open Document | Open Filing | FORM 4/A | 09 Oct 2018 | 28 Sep 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2018 | 28 Sep 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Aug 2018 | 16 Aug 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jul 2018 | 29 Jun 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Apr 2018 | 29 Mar 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Feb 2018 | 26 Feb 2018 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 29 Dec 2017 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Dec 2017 | 18 Dec 2017 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Dec 2017 | 11 Dec 2017 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Oct 2017 | 29 Sep 2017 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Aug 2017 | 31 Jul 2017 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2017 | 30 Jun 2017 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2017 | 31 Mar 2017 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Feb 2017 | 11 Feb 2017 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Jan 2017 | 30 Dec 2016 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Oct 2016 | 30 Sep 2016 | 000-17071 |
| 4/A | Open Document | Open Filing | FORM 4/A | 10 Aug 2016 | 31 Mar 2016 | 000-17071 |
| 4/A | Open Document | Open Filing | FORM 4/A | 10 Aug 2016 | 30 Jun 2016 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jul 2016 | 01 Jul 2016 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Apr 2016 | 01 Apr 2016 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Mar 2016 | 07 Mar 2016 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Feb 2016 | 19 Feb 2016 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2016 | 31 Dec 2015 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2015 | 30 Sep 2015 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2015 | 30 Jun 2015 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2015 | 31 Mar 2015 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Mar 2015 | 26 Feb 2015 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Feb 2015 | 23 Feb 2015 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Jan 2015 | 31 Dec 2014 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2014 | 30 Sep 2014 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jul 2014 | 30 Jun 2014 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Apr 2014 | 31 Mar 2014 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Feb 2014 | 11 Feb 2014 | 000-17071 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2014 | 31 Dec 2013 | 000-17071 |