Annual Report and Proxy Annual Reports Title View 2020 Annual Report 2020 Annual Report 9.2 MB 2019 Annual Report 2019 Annual Report 8.2 MB 2018 Annual Report 2018 Annual Report 2.8 MB Proxy Statements Filing date Form View Apr 25, 2022 DEF 14A View HTML 0001140361-22-015719.pdf 0001140361-22-015719.rtf 0001140361-22-015719.xls Apr 23, 2021 DEF 14A View HTML 0001140361-21-014102.pdf 0001140361-21-014102.rtf 0001140361-21-014102.xls Apr 18, 2019 DEF 14A View HTML 0001144204-19-020252.pdf 0001144204-19-020252.rtf 0001144204-19-020252.xls Apr 29, 2020 DEF 14A View HTML 0001140361-20-010122.pdf 0001140361-20-010122.rtf 0001140361-20-010122.xls Apr 29, 2020 DEFA14A View HTML 0001140361-20-010125.pdf 0001140361-20-010125.rtf 0001140361-20-010125.xls Jun 03, 2020 DEFA14A View HTML 0001104659-20-069481.pdf 0001104659-20-069481.rtf Apr 25, 2022 DEFA14A View HTML 0001140361-22-015722.pdf 0001140361-22-015722.rtf 0001140361-22-015722.xls Apr 23, 2021 DEFA14A View HTML 0001140361-21-014107.pdf 0001140361-21-014107.rtf 0001140361-21-014107.xls Apr 18, 2019 DEFA14A View HTML 0001144204-19-020257.pdf 0001144204-19-020257.rtf 0001144204-19-020257.xls Apr 17, 2020 PRE 14A View HTML 0001140361-20-009189.pdf 0001140361-20-009189.rtf 0001140361-20-009189.xls