| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 15 Apr 2022 | 13 Apr 2022 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Jun 2021 | 08 Jun 2021 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Apr 2021 | 03 Jul 2012 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2020 | 02 Jun 2020 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2019 | 04 Jun 2019 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Feb 2019 | 01 Feb 2019 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Oct 2018 | 28 Oct 2018 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Sep 2018 | 12 Sep 2018 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Aug 2018 | 30 Jul 2018 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jun 2018 | 04 Jun 2018 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2018 | 30 Apr 2018 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Feb 2018 | 01 Feb 2018 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Nov 2017 | 30 Oct 2017 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Aug 2017 | 31 Jul 2017 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 May 2017 | 17 May 2017 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2017 | 01 May 2017 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Feb 2017 | 01 Feb 2017 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Nov 2016 | 31 Oct 2016 | 000-13200 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 01 Nov 2016 | 01 Aug 2016 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Aug 2016 | 01 Aug 2016 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2016 | 18 May 2016 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Nov 2015 | 03 Nov 2015 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Nov 2015 | 03 Aug 2015 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 | 02 Jun 2015 | 04 May 2015 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 | 21 May 2015 | 20 May 2015 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Feb 2015 | 02 Feb 2015 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Nov 2014 | 03 Nov 2014 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Aug 2014 | 01 Aug 2014 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 | 27 May 2014 | 22 May 2014 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 | 02 May 2014 | 01 May 2014 | 000-13200 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Feb 2014 | 03 Feb 2014 | 000-13200 |