Filing date Form Description Filing Group View
8-K

Report of unscheduled material events or corporate event
Current Reports
 0000950170-22-002821.pdf 0000950170-22-002821.rtf 0000950170-22-002821.xls EX-101.LAB - XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT View HTML
SC 13G/A

An amendment to the SC 13G filing
Other
 0001193805-22-000254.pdf 0001193805-22-000254.rtf 0001193805-22-000254.xls View HTML
SC 13G/A

An amendment to the SC 13G filing
Other
 0000315066-22-001235.pdf 0000315066-22-001235.rtf View HTML
SC 13G

A statement of beneficial ownership of common stock by certain persons
Other
 0001213900-22-006090.pdf 0001213900-22-006090.rtf 0001213900-22-006090.xls View HTML
4

Statement of changes in beneficial ownership of securities
3,4,5
 0001567619-22-002013.pdf 0001567619-22-002013.rtf 0001567619-22-002013.xls View HTML
4

Statement of changes in beneficial ownership of securities
3,4,5
 0001567619-22-002011.pdf 0001567619-22-002011.rtf 0001567619-22-002011.xls View HTML
4

Statement of changes in beneficial ownership of securities
3,4,5
 0001567619-22-002012.pdf 0001567619-22-002012.rtf 0001567619-22-002012.xls View HTML
4

Statement of changes in beneficial ownership of securities
3,4,5
 0001567619-22-002014.pdf 0001567619-22-002014.rtf 0001567619-22-002014.xls View HTML
8-K

Report of unscheduled material events or corporate event
Current Reports
 0000950170-22-000398.pdf 0000950170-22-000398.rtf 0000950170-22-000398.xls EX-101.LAB - XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT View HTML
8-K

Report of unscheduled material events or corporate event
Current Reports
 0000950170-21-004607.pdf 0000950170-21-004607.rtf 0000950170-21-004607.xls EX-101.PRE - XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT View HTML
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