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SC 13G

A statement of beneficial ownership of common stock by certain persons

View HTML 0000922423-11-000263.pdf 0000922423-11-000263.xls 0000922423-11-000263.rtf
SC 13G

A statement of beneficial ownership of common stock by certain persons

View HTML 0001193125-11-343728.pdf 0001193125-11-343728.xls 0001193125-11-343728.rtf
SC 13G

A statement of beneficial ownership of common stock by certain persons

View HTML 0001062993-12-000163.pdf 0001062993-12-000163.xls 0001062993-12-000163.rtf
SC 13G

A statement of beneficial ownership of common stock by certain persons

View HTML 0000905148-12-000429.pdf 0000905148-12-000429.xls 0000905148-12-000429.rtf
SC 13G

A statement of beneficial ownership of common stock by certain persons

View HTML 0001086364-15-001784.pdf 0001086364-15-001784.rtf
SC 13G

A statement of beneficial ownership of common stock by certain persons

View HTML 0000053417-15-000117.pdf 0000053417-15-000117.rtf
SC 13G

A statement of beneficial ownership of common stock by certain persons

View HTML 0001137774-15-000080.pdf 0001137774-15-000080.xls 0001137774-15-000080.rtf
SC 13G

A statement of beneficial ownership of common stock by certain persons

View HTML 0000902219-17-000351.pdf 0000902219-17-000351.xls 0000902219-17-000351.rtf
SC 13G

A statement of beneficial ownership of common stock by certain persons

View HTML 0000728889-18-000219.pdf 0000728889-18-000219.xls 0000728889-18-000219.rtf
SC 13G

A statement of beneficial ownership of common stock by certain persons

View HTML 0000315066-18-000966.pdf 0000315066-18-000966.rtf

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