| April 5, 2017 | DEFA14A | Additional definitive proxy soliciting materials | PDF: Additional definitive proxy soliciting materials |
| February 28, 2017 | 10-K | Annual report [Section 13 or 15(d), not S-K Item 405] | PDF: Annual report [Section 13 or 15(d), not S-K Item 405] |
| January 31, 2017 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| January 4, 2017 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| November 9, 2016 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| November 1, 2016 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| August 4, 2016 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| June 1, 2016 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| May 25, 2016 | SD | Specialized Disclosure Report | PDF: Specialized Disclosure Report |
| May 16, 2016 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| May 6, 2016 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| April 29, 2016 | DEFA14A | Additional definitive proxy soliciting materials | PDF: Additional definitive proxy soliciting materials |
| April 27, 2016 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| April 8, 2016 | DEF 14A | Other definitive proxy statements | PDF: Other definitive proxy statements |
| April 8, 2016 | DEFA14A | Additional definitive proxy soliciting materials | PDF: Additional definitive proxy soliciting materials |
| February 26, 2016 | 10-K | Annual report [Section 13 or 15(d), not S-K Item 405] | PDF: Annual report [Section 13 or 15(d), not S-K Item 405] |
| January 4, 2016 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| November 6, 2015 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| October 29, 2015 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| September 10, 2015 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| August 7, 2015 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| July 30, 2015 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| June 8, 2015 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| June 1, 2015 | SD | Specialized Disclosure Report | PDF: Specialized Disclosure Report |
| May 26, 2015 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
