| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2025 | 10 Jun 2025 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 13 May 2025 | 09 May 2025 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2024 | 04 Jun 2024 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2024 | 10 May 2024 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Aug 2023 | 01 Aug 2023 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Aug 2023 | 28 Jul 2023 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Jun 2023 | 20 Jun 2023 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Jun 2023 | 16 Jun 2023 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Mar 2023 | 13 Mar 2023 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Jun 2022 | 14 Jun 2022 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 26 May 2022 | 25 May 2022 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 04 Mar 2022 | 03 Mar 2022 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Feb 2022 | 17 Feb 2022 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Jun 2021 | 09 Jun 2021 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Jan 2021 | 11 Jan 2021 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jan 2021 | 04 Jan 2021 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2020 | 10 Sep 2020 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Aug 2020 | 05 Aug 2020 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 12 Jun 2020 | 10 Jun 2020 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 30 Apr 2020 | 28 Apr 2020 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Mar 2020 | 13 Mar 2020 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2019 | 05 Jun 2019 | 000-51754 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 16 Apr 2019 | 12 Feb 2019 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Feb 2019 | 12 Feb 2019 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Aug 2018 | 21 Aug 2018 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jun 2018 | 05 Jun 2018 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jun 2017 | 06 Jun 2017 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Jun 2016 | 06 Jun 2016 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Nov 2015 | 10 Nov 2015 | 000-51754 |
| 4 | Open Document | Open Filing | 06/08/2015 - DIRECTOR COMPENSATION | 10 Jun 2015 | 08 Jun 2015 | 000-51754 |
| 4 | Open Document | Open Filing | 12/10/14 - OPEN MARKET PURCHASE | 12 Dec 2014 | 10 Dec 2014 | 000-51754 |
| 4 | Open Document | Open Filing | 10/31/14 - OPEN MARKET PURCHASE | 04 Nov 2014 | 31 Oct 2014 | 000-51754 |
| 4 | Open Document | Open Filing | 06/10/2014 - DIRECTOR COMPENSATION | 12 Jun 2014 | 10 Jun 2014 | 000-51754 |
| 4 | Open Document | Open Filing | 01/27/2014 - DIRECTOR COMPENSATION | 29 Jan 2014 | 27 Jan 2014 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jan 2014 | 03 Jan 2014 | 000-20354 |
| 4 | Open Document | Open Filing | FORM 4 | 13 Sep 2013 | 11 Sep 2013 | 000-20354 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Aug 2013 | 14 Aug 2013 | 000-20354 |
| 4 | Open Document | Open Filing | 06/13/2013 - DIRECTOR COMPENSATION | 17 Jun 2013 | 13 Jun 2013 | 000-51754 |
| 4 | Open Document | Open Filing | 09/10/2012 - SALE | 12 Sep 2012 | 10 Sep 2012 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jun 2012 | 22 Jun 2012 | 000-20354 |
| 4 | Open Document | Open Filing | 06/05/2012 - DIRECTOR COMPENSATION | 07 Jun 2012 | 05 Jun 2012 | 000-51754 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Jun 2012 | 04 Jun 2012 | 000-20354 |
| 3 | Open Document | Open Filing | FORM 3 | 05 Jun 2012 | 25 May 2012 | 000-20354 |