| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2023 | 28 Sep 2023 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Aug 2023 | 17 Aug 2023 | 001-37827 |
| 5 | Open Document | Open Filing | FORM 5 | 12 Jan 2023 | 31 Dec 2022 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Apr 2022 | 26 Apr 2022 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Apr 2022 | 01 Apr 2022 | 001-38471 |
| 5 | Open Document | Open Filing | FORM 5 | 05 Jan 2022 | 31 Dec 2021 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Dec 2021 | 27 Dec 2021 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Dec 2021 | 06 Dec 2021 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | 11 May 2021 | 10 May 2021 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | 29 Apr 2021 | 27 Apr 2021 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | 08 May 2020 | 06 May 2020 | 001-38471 |
| 4 | Open Document | Open Filing | FORM 4 | 23 Apr 2020 | 21 Apr 2020 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Jul 2019 | 30 Jul 2019 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2019 | 08 May 2019 | 001-38471 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Apr 2019 | 25 Apr 2019 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Apr 2019 | 24 Apr 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2019 | 15 Mar 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2019 | 22 Feb 2019 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Dec 2018 | 17 Dec 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2018 | 14 Dec 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2018 | 03 Dec 2018 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2018 | 14 Nov 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2018 | 18 Sep 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2018 | 14 Sep 2018 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 22 Aug 2018 | 20 Aug 2018 | 001-32465 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | 22 Jun 2018 | 12 Jun 2018 | 001-38471 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2018 | 15 Jun 2018 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Jun 2018 | 07 Jun 2018 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jun 2018 | 01 Jun 2018 | 001-32465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 May 2018 | 08 May 2018 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2018 | 02 May 2018 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2018 | 25 Apr 2018 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Apr 2018 | 02 Apr 2018 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2018 | 15 Mar 2018 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 12 Mar 2018 | 08 Mar 2018 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Feb 2018 | 23 Feb 2018 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2017 | 15 Dec 2017 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Dec 2017 | 07 Dec 2017 | 001-12933 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 13 Nov 2017 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2017 | 13 Nov 2017 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2017 | 15 Sep 2017 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 Sep 2017 | 07 Sep 2017 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2017 | 15 Jun 2017 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Jun 2017 | 01 Jun 2017 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jun 2017 | 05 Jun 2017 | 001-37827 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2017 | 01 Jun 2017 | 001-32465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 May 2017 | 26 May 2017 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 11 May 2017 | 09 May 2017 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 May 2017 | 10 May 2017 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2017 | 26 Apr 2017 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Apr 2017 | 03 Apr 2017 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2017 | 15 Mar 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2017 | 10 Feb 2017 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2016 | 15 Dec 2016 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Sep 2016 | 29 Sep 2016 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Sep 2016 | 15 Sep 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Sep 2016 | 07 Sep 2016 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Aug 2016 | 15 Aug 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2016 | 08 Aug 2016 | 001-07349 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jul 2016 | 12 Jul 2016 | 001-37827 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2016 | 15 Jun 2016 | 001-07349 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2016 | 27 Apr 2016 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2016 | 27 Apr 2016 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 05 Apr 2016 | 01 Apr 2016 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2016 | 15 Mar 2016 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 10 Mar 2016 | 09 Mar 2016 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2016 | 12 Feb 2016 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Feb 2016 | 15 Feb 2016 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2015 | 15 Dec 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2015 | 15 Sep 2015 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 06 Jul 2015 | 01 Jul 2015 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2015 | 15 Jun 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2015 | 29 Apr 2015 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 15 Apr 2015 | 01 Apr 2015 | 001-32465 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Mar 2015 | 20 Mar 2015 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2015 | 16 Mar 2015 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Feb 2015 | 20 Feb 2015 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 18 Feb 2015 | 16 Feb 2015 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2015 | 13 Feb 2015 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Dec 2014 | 26 Dec 2014 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Dec 2014 | 18 Dec 2014 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Dec 2014 | 15 Dec 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Sep 2014 | 26 Sep 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2014 | 16 Sep 2014 | 001-07349 |
| 4 | Open Document | Open Filing | 2014 ANNUAL DIRECTOR GRANTS | 03 Jul 2014 | 01 Jul 2014 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2014 | 27 Jun 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2014 | 16 Jun 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2014 | 30 Apr 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2014 | 27 Mar 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Mar 2014 | 17 Mar 2014 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 25 Feb 2014 | 24 Feb 2014 | 001-12933 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Feb 2014 | 19 Feb 2014 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2014 | 14 Feb 2014 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Dec 2013 | 27 Dec 2013 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2013 | 16 Dec 2013 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Oct 2013 | 27 Sep 2013 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Sep 2013 | 17 Sep 2013 | 001-07349 |
| 4 | Open Document | Open Filing | 2013 ANNUAL DIRECTOR GRANTS | 02 Jul 2013 | 01 Jul 2013 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2013 | 27 Jun 2013 | 001-07349 |
| 4 | Open Document | Open Filing | PURCHASE OF SHARES | 25 Jun 2013 | 25 Jun 2013 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jun 2013 | 17 Jun 2013 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2013 | 24 Apr 2013 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2013 | 27 Mar 2013 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2013 | 15 Mar 2013 | 001-07349 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Feb 2013 | 19 Feb 2013 | 001-12933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Feb 2013 | 15 Feb 2013 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2012 | 27 Dec 2012 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Dec 2012 | 17 Dec 2012 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Sep 2012 | 27 Sep 2012 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2012 | 18 Sep 2012 | 001-07349 |
| 4 | Open Document | Open Filing | STOCK OPTION AND RSU GRANT DATED 7/2/2012 | 05 Jul 2012 | 02 Jul 2012 | 001-32465 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2012 | 27 Jun 2012 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2012 | 15 Jun 2012 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Apr 2012 | 25 Apr 2012 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Mar 2012 | 27 Mar 2012 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Mar 2012 | 15 Mar 2012 | 001-07349 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Feb 2012 | 17 Feb 2012 | 001-07349 |
| 4 | Open Document | Open Filing | STOCK OPTION AND RSU GRANT DATED 7/1/2011 | 24 Jan 2012 | 01 Jul 2011 | 001-32465 |