ProShares Ultra VIX Short-Term Futures ETF | SC 13G/A: Schedule filed to report acquisition of beneficial ownership of more than 5% of a class of equity securities by passive investors and certain institutions (Amendment)

Feb 12, 2008 17:16 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 19:07 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:54 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:54 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:52 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:52 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:50 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:50 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:48 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:46 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:46 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:45 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:43 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:40 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:40 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Aug 20, 2007 18:40 ET

ProShares Ultra VIX Short-Term Futures ETF | 4/A: Statement of changes in beneficial ownership of securities (and amendment thereto)

Aug 20, 2007 18:38 ET

ProShares Ultra VIX Short-Term Futures ETF | 4: Statement of changes in beneficial ownership of securities

Jul 31, 2007 11:30 ET