| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2025 | 24 Apr 2025 | 001-32504 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2024 | 25 Apr 2024 | 001-32504 |
| 4 | Open Document | Open Filing | FORM 4 | 01 May 2023 | 27 Apr 2023 | 001-32504 |
| 4 | Open Document | Open Filing | FORM 4 | 04 May 2022 | 02 May 2022 | 001-32504 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2021 | 29 Apr 2021 | 001-32504 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2020 | 11 May 2020 | 001-32504 |
| 4 | Open Document | Open Filing | FORM 4 | 05 Sep 2019 | 04 Sep 2019 | 001-32504 |
| 4 | Open Document | Open Filing | FORM 4 | 03 May 2019 | 01 May 2019 | 001-32504 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2018 | 04 Sep 2018 | 001-32504 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 06 Sep 2018 | 04 Sep 2018 | 001-32504 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 24 Feb 2015 | 23 Feb 2015 | 001-16483 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 Feb 2015 | 18 Feb 2015 | 001-16483 |
| 4 | Open Document | Open Filing | SPENCE | 17 Nov 2014 | 13 Nov 2014 | 001-16483 |
| 4 | Open Document | Open Filing | SPENCE AUGUST | 21 Aug 2014 | 19 Aug 2014 | 001-16483 |
| 4 | Open Document | Open Filing | SPENCE FORM 4 | 26 Feb 2014 | 24 Feb 2014 | 001-16483 |
| 4 | Open Document | Open Filing | 21 Feb 2014 | 19 Feb 2014 | 001-16483 | |
| 4 | Open Document | Open Filing | SPENCE FORM 4 | 21 Nov 2013 | 19 Nov 2013 | 001-16483 |
| 4/A | Open Document | Open Filing | SPENCE FORM 4/A | 04 Mar 2013 | 22 Feb 2013 | 001-16483 |
| 4 | Open Document | Open Filing | SPENCE FORM 4 | 26 Feb 2013 | 23 Feb 2013 | 001-16483 |
| 4 | Open Document | Open Filing | SPENCE FORM 4 | 22 Feb 2013 | 20 Feb 2013 | 001-16483 |
| 4 | Open Document | Open Filing | SPENCE FORM 4 | 15 Nov 2012 | 13 Nov 2012 | 001-16483 |
| 3 | Open Document | Open Filing | SPENCE FORM 3 | 17 Aug 2012 | 17 Aug 2012 | 001-35491 |
| 4 | Open Document | Open Filing | SPENCE FORM 4 | 27 Feb 2012 | 23 Feb 2012 | 001-16483 |
| 4 | Open Document | Open Filing | SPENCE FORM 4 | 21 Feb 2012 | 17 Feb 2012 | 001-16483 |