| July 29, 2022 | 10-Q | Quarterly report which provides a continuing view of the company's financial position | PDF: Quarterly report which provides a continuing view of the company's financial position |
| July 27, 2022 | 8-K | Current report filed to announce a major event that shareholders should know about | PDF: Current report filed to announce a major event that shareholders should know about |
| May 27, 2022 | 8-K | Current report filed to announce a major event that shareholders should know about | PDF: Current report filed to announce a major event that shareholders should know about |
| May 18, 2022 | SD | Conflict minerals report required under Section 1502 of the Dodd-Frank Act | PDF: Conflict minerals report required under Section 1502 of the Dodd-Frank Act |
| April 29, 2022 | 10-Q | Quarterly report which provides a continuing view of the company's financial position | PDF: Quarterly report which provides a continuing view of the company's financial position |
| April 27, 2022 | 8-K | Current report filed to announce a major event that shareholders should know about | PDF: Current report filed to announce a major event that shareholders should know about |
| April 11, 2022 | DEFA14A | Definitive additional proxy soliciting materials | PDF: Definitive additional proxy soliciting materials |
| April 11, 2022 | DEF 14A | Other definitive proxy statements | PDF: Other definitive proxy statements |
| March 31, 2022 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| March 1, 2022 | 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 25, 2022 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| January 10, 2022 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| January 4, 2022 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| November 4, 2021 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| November 3, 2021 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| August 3, 2021 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| July 28, 2021 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| June 2, 2021 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| May 27, 2021 | SD | Specialized Disclosure Report | PDF: Specialized Disclosure Report |
| May 21, 2021 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| May 6, 2021 | 10-Q | Quarterly report [Sections 13 or 15(d)] | PDF: Quarterly report [Sections 13 or 15(d)] |
| April 28, 2021 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| April 14, 2021 | 8-K | Report of unscheduled material events or corporate event | PDF: Report of unscheduled material events or corporate event |
| April 8, 2021 | DEF 14A | Other definitive proxy statements | PDF: Other definitive proxy statements |
| April 8, 2021 | DEFA14A | Additional definitive proxy soliciting materials | PDF: Additional definitive proxy soliciting materials |
