| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Jan 2023 | 20 Jan 2023 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Dec 2021 | 01 Dec 2021 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Dec 2020 | 18 Dec 2020 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Jan 2020 | 08 Jan 2020 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Oct 2019 | 27 Sep 2019 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Jun 2019 | 11 Jun 2019 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jan 2019 | 31 Dec 2018 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Jun 2018 | 20 Jun 2018 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Nov 2017 | 15 Nov 2017 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Jul 2017 | 30 Jun 2017 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2017 | 30 May 2017 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Dec 2016 | 19 Dec 2016 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Dec 2016 | 16 Dec 2016 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Nov 2016 | 25 Nov 2016 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 May 2016 | 02 May 2016 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Mar 2016 | 03 Mar 2016 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Nov 2015 | 12 Nov 2015 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Nov 2015 | 10 Nov 2015 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Jan 2015 | 12 Jan 2015 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 May 2014 | 21 May 2014 | 000-15946 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jan 2014 | 30 Dec 2013 | 000-15946 |