SEC Filings

Filer Filing date Form Description Filing Group View
DEFA14A

Additional proxy soliciting materials - definitive

Proxy Filings
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8-K

Report of unscheduled material events or corporate event

Current Reports
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
DFAN14A

Additional proxy soliciting materials filed by non-management

Proxy Filings
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8-K

Report of unscheduled material events or corporate event

Current Reports
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
8-A12B/A

Amendment to a previously filed 8-A12B

Registration Statements
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10-K

Annual report which provides a comprehensive overview of the company for the past year

Annual Filings
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
PICKENS ERIN D 4

Statement of changes in beneficial ownership of securities

3,4,5
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ARMSTRONG WILLIAM H III 4

Statement of changes in beneficial ownership of securities

3,4,5
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PICKENS ERIN D 4

Statement of changes in beneficial ownership of securities

3,4,5
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ARMSTRONG WILLIAM H III 4

Statement of changes in beneficial ownership of securities

3,4,5
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Data provided by Kaleidoscope.