| March 11, 2020 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| March 2, 2020 | 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] |
| February 12, 2020 | 8-K/A | Amendment to Form 8-K | PDF: Amendment to Form 8-K |
| January 3, 2020 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| November 5, 2019 | 8-K/A | Amendment to Form 8-K | PDF: Amendment to Form 8-K |
| November 5, 2019 | 8-K/A | Amendment to Form 8-K | PDF: Amendment to Form 8-K |
| November 4, 2019 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| October 29, 2019 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| August 13, 2019 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| August 12, 2019 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| August 5, 2019 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| July 31, 2019 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| July 31, 2019 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| May 24, 2019 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| May 22, 2019 | SD | Specialized Disclosure Report | PDF: Specialized Disclosure Report |
| May 8, 2019 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| April 26, 2019 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| April 8, 2019 | DEF 14A | Other definitive proxy statements | PDF: Other definitive proxy statements |
| April 8, 2019 | DEFA14A | Additional definitive proxy soliciting materials | PDF: Additional definitive proxy soliciting materials |
| March 27, 2019 | PRE 14A | Preliminary proxy statement not related to a contested matter or merger/acquisition | PDF: Preliminary proxy statement not related to a contested matter or merger/acquisition |
| March 26, 2019 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| February 28, 2019 | 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, 2019 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| November 9, 2018 | 10-K/A | Amendment to annual report [Section 13 or 15(d), not S-K Item 405] | PDF: Amendment to annual report [Section 13 or 15(d), not S-K Item 405] |
| November 9, 2018 | 10-Q/A | Amendment to quarterly report [Sections 13 or 15(d)] | PDF: Amendment to quarterly report [Sections 13 or 15(d)] |
