| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 12 Sep 2025 | 09 Sep 2025 | 000-29174 | |
| 4 | Open Document | Open Filing | 08 Sep 2025 | 04 Sep 2025 | 000-29174 | |
| 4 | Open Document | Open Filing | 05 Jun 2025 | 03 Jun 2025 | 001-36894 | |
| 144 | Open Document | Open Filing | 25 Nov 2024 | |||
| 3 | Open Document | Open Filing | 08 Nov 2024 | 06 Nov 2024 | 001-36894 | |
| 4 | Open Document | Open Filing | 08 Nov 2024 | 06 Nov 2024 | 001-36894 | |
| 4 | Open Document | Open Filing | 28 Oct 2024 | 24 Oct 2024 | 000-29174 | |
| 4 | Open Document | Open Filing | 17 Sep 2024 | 13 Sep 2024 | 000-29174 | |
| 4 | Open Document | Open Filing | 06 Sep 2024 | 04 Sep 2024 | 000-29174 | |
| 144 | Open Document | Open Filing | 06 Mar 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Sep 2023 | 13 Sep 2023 | 000-29174 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Sep 2022 | 14 Sep 2022 | 000-29174 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Sep 2022 | 08 Sep 2022 | 000-29174 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Sep 2021 | 08 Sep 2021 | 000-29174 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 09 Sep 2020 | 04 Sep 2020 | 000-29174 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 30 Jul 2020 | 30 Jul 2020 | 001-39416 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2019 | 04 Sep 2019 | 000-29174 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 06 Sep 2019 | 04 Sep 2019 | 000-29174 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Jul 2019 | 23 Jul 2019 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Mar 2019 | 20 Mar 2019 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Mar 2019 | 17 Mar 2019 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 | 11 Dec 2018 | 08 Dec 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Nov 2018 | 08 Nov 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 | 06 Sep 2018 | 04 Sep 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 | 31 Aug 2018 | 29 Aug 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Aug 2018 | 25 Aug 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jul 2018 | 27 Jul 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jun 2018 | 27 Jun 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2018 | 29 May 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2018 | 27 Apr 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Mar 2018 | 27 Mar 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Mar 2018 | 20 Mar 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2018 | 27 Feb 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jan 2018 | 29 Jan 2018 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Dec 2017 | 27 Dec 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 08 Dec 2017 | 08 Dec 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Nov 2017 | 28 Nov 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Oct 2017 | 27 Oct 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Sep 2017 | 27 Sep 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Sep 2017 | 11 Sep 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Sep 2017 | 04 Sep 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Aug 2017 | 25 Aug 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2017 | 15 Aug 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Jul 2017 | 27 Jul 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Jun 2017 | 27 Jun 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 May 2017 | 25 May 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2017 | 27 Apr 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Mar 2017 | 27 Mar 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Feb 2017 | 24 Feb 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Feb 2017 | 31 Jan 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jan 2017 | 27 Jan 2017 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 29 Dec 2016 | 27 Dec 2016 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Nov 2016 | 28 Nov 2016 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Oct 2016 | 27 Oct 2016 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Sep 2016 | 04 Sep 2016 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Aug 2016 | 25 Aug 2016 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Aug 2016 | 23 Aug 2016 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 Aug 2016 | 15 Aug 2016 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Feb 2016 | 26 Feb 2016 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2016 | 29 Jan 2016 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Sep 2015 | 04 Sep 2015 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Aug 2015 | 15 Aug 2015 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Aug 2015 | 06 Aug 2015 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 May 2015 | 18 May 2015 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Feb 2015 | 11 Feb 2015 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Feb 2015 | 04 Feb 2015 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Nov 2014 | 20 Nov 2014 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Aug 2014 | 15 Aug 2014 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 20 May 2014 | 18 May 2014 | 000-18805 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 19 May 2014 | 15 May 2014 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 May 2014 | 15 May 2014 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 26 Feb 2014 | 24 Feb 2014 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Feb 2014 | 12 Feb 2014 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Feb 2014 | 11 Feb 2014 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Feb 2014 | 31 Jan 2014 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 28 Jan 2014 | 24 Jan 2014 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Aug 2013 | 20 Aug 2013 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Aug 2013 | 15 Aug 2013 | 000-18805 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Aug 2013 | 07 Aug 2013 | 000-18805 |
| 4 | Open Document | Open Filing | 21 May 2013 | 18 May 2013 | 000-18805 | |
| 4 | Open Document | Open Filing | 27 Mar 2013 | 25 Mar 2013 | 000-18805 | |
| 4 | Open Document | Open Filing | 27 Mar 2013 | 14 Mar 2013 | 000-18805 | |
| 4 | Open Document | Open Filing | 26 Feb 2013 | 22 Feb 2013 | 000-18805 | |
| 4 | Open Document | Open Filing | 13 Feb 2013 | 11 Feb 2013 | 000-18805 | |
| 4 | Open Document | Open Filing | 01 Feb 2013 | 31 Jan 2013 | 000-18805 | |
| 4 | Open Document | Open Filing | 29 Jan 2013 | 25 Jan 2013 | 000-18805 | |
| 4 | Open Document | Open Filing | 30 Aug 2012 | 28 Aug 2012 | 000-18805 | |
| 4 | Open Document | Open Filing | 22 Aug 2012 | 20 Aug 2012 | 000-18805 | |
| 4 | Open Document | Open Filing | 17 Aug 2012 | 15 Aug 2012 | 000-18805 | |
| 4 | Open Document | Open Filing | 25 May 2012 | 23 May 2012 | 000-18805 | |
| 4 | Open Document | Open Filing | 18 May 2012 | 18 May 2012 | 000-18805 | |
| 4 | Open Document | Open Filing | 12 Apr 2012 | 10 Apr 2012 | 000-18805 | |
| 4 | Open Document | Open Filing | 10 Feb 2012 | 09 Feb 2012 | 000-18805 | |
| 4 | Open Document | Open Filing | 01 Feb 2012 | 31 Jan 2012 | 000-18805 |