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4

Statement of changes in beneficial ownership of securities

 0000904454-21-000156.pdf 0000904454-21-000156.rtf 0000904454-21-000156.xls View HTML
4

Statement of changes in beneficial ownership of securities

 0000904454-21-000102.pdf 0000904454-21-000102.rtf 0000904454-21-000102.xls View HTML
4

Statement of changes in beneficial ownership of securities

 0000904454-21-000104.pdf 0000904454-21-000104.rtf 0000904454-21-000104.xls View HTML
4

Statement of changes in beneficial ownership of securities

 0000904454-21-000106.pdf 0000904454-21-000106.rtf 0000904454-21-000106.xls View HTML
4

Statement of changes in beneficial ownership of securities

 0000904454-21-000108.pdf 0000904454-21-000108.rtf 0000904454-21-000108.xls View HTML
4

Statement of changes in beneficial ownership of securities

 0000904454-21-000110.pdf 0000904454-21-000110.rtf 0000904454-21-000110.xls View HTML
4

Statement of changes in beneficial ownership of securities

 0000904454-21-000112.pdf 0000904454-21-000112.rtf 0000904454-21-000112.xls View HTML
SC 13G/A

An amendment to the SC 13G filing

 0000834237-21-005645.pdf 0000834237-21-005645.rtf View HTML
SC 13G/A

An amendment to the SC 13G filing

 0000834237-21-005645.pdf 0000834237-21-005645.rtf View HTML
8-K

Report of unscheduled material events or corporate event

 0001193125-21-021014.pdf 0001193125-21-021014.rtf 0001193125-21-021014.xls EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA View HTML
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