| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2024 | 01 Jul 2024 | 000-06658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2024 | 01 Apr 2024 | 000-06658 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2024 | 19 Dec 2023 | 000-06658 |
| 3/A | Open Document | Open Filing | FORM 3/A | 06 Apr 2022 | 28 Mar 2022 | 001-40703 |
| 3 | Open Document | Open Filing | FORM 3 | 30 Mar 2022 | 28 Mar 2022 | 001-40703 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 17 Nov 2020 | 17 Nov 2020 | 001-39706 |
| SC 13D | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jun 2020 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jun 2020 | 18 Jun 2020 | 000-06658 |
| 4 | Open Document | Open Filing | FORM 4 - | 06 Mar 2019 | 04 Mar 2019 | 000-31191 |
| 4 | Open Document | Open Filing | FORM 4 - | 04 Mar 2019 | 28 Feb 2019 | 000-31191 |
| 4 | Open Document | Open Filing | FORM 4 - | 21 Dec 2018 | 20 Dec 2018 | 000-31191 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Dec 2018 | 20 Nov 2018 | 000-19960 |
| 4 | Open Document | Open Filing | FORM 4 - | 19 Nov 2018 | 16 Nov 2018 | 000-31191 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Sep 2018 | 31 Aug 2018 | 000-31191 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 18 Jul 2018 | 31 Jan 2018 | 000-19960 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 19 Apr 2018 | 17 Apr 2018 | 000-19960 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Apr 2018 | 31 Jan 2018 | 000-19960 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Mar 2018 | 02 Mar 2018 | 000-31191 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Mar 2018 | 28 Feb 2018 | 000-31191 |
| 4 | Open Document | Open Filing | FORM 4 - | 05 Sep 2017 | 31 Aug 2017 | 000-31191 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Apr 2017 | 18 Apr 2017 | 000-19960 |
| 4 | Open Document | Open Filing | FORM 4 - | 02 Mar 2017 | 28 Feb 2017 | 000-31191 |
| 4 | Open Document | Open Filing | FORM 4 - | 09 Dec 2016 | 07 Dec 2016 | 000-31191 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jun 2016 | 08 Jun 2016 | 000-31191 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jun 2016 | 07 Jun 2016 | 000-31191 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 20 Apr 2016 | 19 Apr 2016 | 000-19960 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Feb 2016 | 25 Feb 2016 | 000-31191 |
| 3 | Open Document | Open Filing | FORM 3 | 29 Feb 2016 | 25 Feb 2016 | 000-31191 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 22 Apr 2015 | 20 Apr 2015 | 000-19960 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Apr 2014 | 22 Apr 2014 | 000-19960 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 24 Feb 2014 | 19 Feb 2014 | 000-19960 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Nov 2013 | 21 Nov 2013 | 000-19960 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Aug 2013 | 26 Aug 2013 | 000-19960 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 25 Apr 2013 | 23 Apr 2013 | 000-19960 |
| 4 | Open Document | Open Filing | MICHAEL A. MORRISON - FORM 4 | 31 Aug 2012 | 30 Aug 2012 | 000-19960 |
| 3 | Open Document | Open Filing | FORM 3 - MICHAEL A. MORRISON | 31 Aug 2012 | 21 Aug 2012 | 000-19960 |