Investor Relations Investor Relations Investor Relations Press Releases Events & Presentations Corporate Governance Financials & Filings SEC Filings Annuals & Proxies Stock Information Investor FAQs Contact IR ANNUALS AND PROXIES Annual Reports Documents Add Files 2025 Annual Report 1.1 MB Add Files 2024 Annual Report 702 KB Add Files 2023 Annual Report 797.9 KB Add Files 2022 Annual Report 650.1 KB Add Files 2021 Annual Report 1.3 MB Proxy Statements Filing date View Apr 01, 2026 View HTML 0001275158-26-000030.pdf 0001275158-26-000030.rtf 0001275158-26-000030.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Dec 22, 2025 View HTML 0001275158-25-000111.pdf 0001275158-25-000111.rtf 0001275158-25-000111.xls Apr 01, 2025 View HTML 0001275158-25-000036.pdf 0001275158-25-000036.rtf 0001275158-25-000036.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Mar 28, 2024 View HTML 0001275158-24-000030.pdf 0001275158-24-000030.rtf 0001275158-24-000030.xls Mar 31, 2023 View HTML 0001275158-23-000033.pdf 0001275158-23-000033.rtf 0001275158-23-000033.xls
ANNUALS AND PROXIES Annual Reports Documents Add Files 2025 Annual Report 1.1 MB Add Files 2024 Annual Report 702 KB Add Files 2023 Annual Report 797.9 KB Add Files 2022 Annual Report 650.1 KB Add Files 2021 Annual Report 1.3 MB Proxy Statements Filing date View Apr 01, 2026 View HTML 0001275158-26-000030.pdf 0001275158-26-000030.rtf 0001275158-26-000030.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Dec 22, 2025 View HTML 0001275158-25-000111.pdf 0001275158-25-000111.rtf 0001275158-25-000111.xls Apr 01, 2025 View HTML 0001275158-25-000036.pdf 0001275158-25-000036.rtf 0001275158-25-000036.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA Mar 28, 2024 View HTML 0001275158-24-000030.pdf 0001275158-24-000030.rtf 0001275158-24-000030.xls Mar 31, 2023 View HTML 0001275158-23-000033.pdf 0001275158-23-000033.rtf 0001275158-23-000033.xls