SEC Filings
Notice of Annual or Special Stockholders' Meetings
Minutes of all General or Special Stockholders' Meetings
Other Disclosures to SEC, PSE and Other Pertinent Agents

Minutes of Stockholders' Meetings
​Minutes of Annual Stockholders Meeting July 27, 2011
Minutes of Annual Stockholders Meeting May 23, 2012
Minutes of Annual Stockholders Meeting February 8, 2013
Minutes of Annual Stockholders Meeting September 19, 2013
Minutes of Annual Stockholders  Meeting July 9, 2014
Minutes of Annual Stockholders  Meeting May 27, 2015
Minutes of Special Stockholders Meeting October 21, 2015
Minutes of Annual Stockholders  Meeting May 25, 2016
Minutes of  Annual Stockholders Meeting June 27, 2018
 Minutes of the Annual Stockholders Meeting May 22, 2019 
 Minutes of  Annual Stockholders' Meeting December 16, 2020
Minutes of Annual Stockholders' Meeting September 30, 2021

Results of the Organizational Meeting of the Board of Directors
Results of  Organizational Meeting of the Board of Directors  July 9, 2014
Results of ASM and Organizational Meeting of Board of Directors June 27, 2018
Results of ASM and Organizational Meeting of Board of Directors May 22, 2019
Results of Annual Stockholders' Meeting  December 16, 2020
Results of Organizational Meeting of Board of Directors December 16, 2020
Results of ASM and Organizational Meeting of Board of Directors  September 30, 2021
Results of ASM and Organizational Meeting of Board of Directors  November 29, 2022