Filing date Form Filer Description Filing Group View
4 WINTERS KARL H

Statement of changes in beneficial ownership of securities

3,4,5
10-Q

Quarterly report which provides a continuing view of a company's financial position

Quarterly Filings
10-K/A

Amendment to a previously filed 10-K

Annual Filings
8-K

Report of unscheduled material events or corporate event

Current Reports
10-K/A

Amendment to a previously filed 10-K

Annual Filings
SC 13G/A OPPENHEIMER FUNDS INC

An amendment to the SC 13G filing

Other
SC 13G/A FMR LLC

An amendment to the SC 13G filing

Other
SC 13G/A SELIGMAN J & W & CO INC /NY/

An amendment to the SC 13G filing

Other
SC 13G/A WADDELL & REED FINANCIAL INC

An amendment to the SC 13G filing

Other
4 GRACE OLIVER R JR

Statement of changes in beneficial ownership of securities

3,4,5

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