Filing date Form Description View
SC 13G

A statement of beneficial ownership of common stock by certain persons
0000947871-22-000243.pdf
0000947871-22-000243.rtf
0000947871-22-000243.xls
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4

Statement of changes in beneficial ownership of securities
0000947871-22-000343.pdf
0000947871-22-000343.rtf
0000947871-22-000343.xls
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8-K

Report of unscheduled material events or corporate event
0001193125-22-084017.pdf
0001193125-22-084017.rtf
0001193125-22-084017.xls
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
10-K

Annual report which provides a comprehensive overview of the company for the past year
0000950170-22-005214.pdf
0000950170-22-005214.rtf
0000950170-22-005214.xls
EX-101.CAL - XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT View HTML
8-K

Report of unscheduled material events or corporate event
0001193125-22-092104.pdf
0001193125-22-092104.rtf
0001193125-22-092104.xls
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
8-K/A

Amendment to a previously filed 8-K
0001193125-22-092251.pdf
0001193125-22-092251.rtf
0001193125-22-092251.xls
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
POS AM

Post-effective amendment to an S-Type filing
0001193125-22-093013.pdf
0001193125-22-093013.rtf
0001193125-22-093013.xls
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POS AM

Post-effective amendment to an S-Type filing
0001193125-22-098262.pdf
0001193125-22-098262.rtf
0001193125-22-098262.xls
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8-K

Report of unscheduled material events or corporate event
0001193125-22-099511.pdf
0001193125-22-099511.rtf
0001193125-22-099511.xls
EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
EFFECT

EFFECT
9999999995-22-000883.pdf
9999999995-22-000883.rtf
9999999995-22-000883.xls
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