January 10, 2019

List of Top 100 PDTC Participants (31 December 2018)

January 29, 2020

Change in Directors and/or Officers

October 15, 2018

Public Ownership Report (30 September 2018)

October 4, 2018

List of Top 100 PDTC Participants (30 September 2018)

October 4, 2018

List of Top 100 Stockholders (30 September 2018)

July 15, 2020

Results of Annual Stockholders' Meeting

July 15, 2021

Declaration of Cash Dividends

July 15, 2021

Results of Organizational Meeting of Board of Directors

July 15, 2021

Initial Statement of Beneficial Ownership of Securities

July 17, 2018

Public Ownership Report (30 June 2018)

April 24, 2018

Notice of Postponement of Annual Stockholders' Meeting

April 24, 2018

Amendments to By-Laws