| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2023 | 25 Apr 2023 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2022 | 12 Aug 2022 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2022 | 26 Apr 2022 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2021 | 30 Apr 2021 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2021 | 27 Apr 2021 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2021 | 01 Apr 2021 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2021 | 04 Jan 2021 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2020 | 01 Oct 2020 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Aug 2020 | 05 Aug 2020 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jul 2020 | 01 Jul 2020 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Apr 2020 | 21 Apr 2020 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2020 | 01 Apr 2020 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jan 2020 | 02 Jan 2020 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Nov 2019 | 07 Nov 2019 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2019 | 01 Oct 2019 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2019 | 01 Jul 2019 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 May 2019 | 03 May 2019 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 May 2019 | 30 Apr 2019 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Apr 2019 | 01 Apr 2019 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2019 | 02 Jan 2019 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Nov 2018 | 07 Nov 2018 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2018 | 01 Oct 2018 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2018 | 02 Jul 2018 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2018 | 06 Jun 2018 | 001-12983 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2018 | 24 Apr 2018 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Apr 2018 | 02 Apr 2018 | 001-04462 |
| 4/A | Open Document | Open Filing | FORM 4/A | 16 Jan 2018 | 18 May 2017 | 001-12983 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2018 | 03 Jan 2018 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2017 | 29 Sep 2017 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jul 2017 | 03 Jul 2017 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 | 22 May 2017 | 18 May 2017 | 001-12983 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2017 | 25 Apr 2017 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2017 | 03 Apr 2017 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2017 | 03 Jan 2017 | 001-04462 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Oct 2016 | 03 Oct 2016 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2016 | 01 Jul 2016 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jun 2016 | 17 Jun 2016 | 001-12983 |
| 4 | Open Document | Open Filing | FORM 4 | 23 May 2016 | 19 May 2016 | 001-12983 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Apr 2016 | 26 Apr 2016 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Apr 2016 | 01 Apr 2016 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Feb 2016 | 09 Feb 2016 | 001-12983 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jan 2016 | 04 Jan 2016 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Oct 2015 | 01 Oct 2015 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jul 2015 | 01 Jul 2015 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 May 2015 | 14 May 2015 | 001-12983 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Apr 2015 | 28 Apr 2015 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Apr 2015 | 01 Apr 2015 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Jan 2015 | 02 Jan 2015 | 001-04462 |
| 4 | Open Document | Open Filing | GREGORY E. LAWTON FORM 4 - 10/3/14 | 03 Oct 2014 | 01 Oct 2014 | 001-04462 |
| 4 | Open Document | Open Filing | LAWTON FORM 4 (7.2.14) | 02 Jul 2014 | 01 Jul 2014 | 001-04462 |
| 4 | Open Document | Open Filing | FORM 4 | 16 May 2014 | 15 May 2014 | 001-12983 |
| 4 | Open Document | Open Filing | LAWTON FORM 4 (5.1.14) | 01 May 2014 | 29 Apr 2014 | 001-04462 |
| 4 | Open Document | Open Filing | LAWTON FORM 4 (4.2.14) | 02 Apr 2014 | 01 Apr 2014 | 001-04462 |
| 4 | Open Document | Open Filing | LAWTON FORM 4 (1.2.14) | 06 Jan 2014 | 02 Jan 2014 | 001-04462 |