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Stock Trading History of Ridgeback Capital Management Llc

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Ridgeback Capital Management Llc since year 2005. The trader's CIK number is 1357610. At the time of this reporting, Ridgeback Capital Management Llc is the 10% Owner of Sequenom Inc . (stock ticker symbol SQNM). See this page for all insider trading activities at Sequenom Inc .

Stock purchases, sales, and option exercises reported by insider Ridgeback Capital Management Llc since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2008-09-10 SQNM Sequenom Inc Purchase 325,000 19.52 6,342,375
2008-08-08 SQNM Sequenom Inc Purchase 210,000 18.99 3,987,899
2008-08-07 SQNM Sequenom Inc Purchase 245,000 19.87 4,867,170
2008-08-06 SQNM Sequenom Inc Purchase 136,599 19.98 2,729,248
2008-08-06 SQNM Sequenom Inc Purchase 136,599 19.98 2,729,248
2008-08-05 SQNM Sequenom Inc Purchase 100,000 20.49 2,048,999
2008-08-04 SQNM Sequenom Inc Purchase 250,000 20.92 5,230,000
2008-07-31 SQNM Sequenom Inc Purchase 100,000 20.94 2,093,499
2008-07-29 SQNM Sequenom Inc Purchase 313,863 21.55 6,763,747
2008-07-15 SQNM Sequenom Inc Purchase 562,515 20.98 11,801,564
2008-07-16 SQNM Sequenom Inc Purchase 450,000 21.77 9,796,500
2008-07-17 SQNM Sequenom Inc Purchase 387,485 20.34 7,882,736
2008-07-01 SQNM Sequenom Inc Purchase 380,000 15.94 6,058,466
2008-06-30 SQNM Sequenom Inc Purchase 395,000 15.96 6,304,200
2008-06-27 SQNM Sequenom Inc Purchase 350,000 15.24 5,334,913
2008-06-26 SQNM Sequenom Inc Purchase 480,000 15.24 7,316,799

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Ridgeback Capital Management Llc (10% Owner of Sequenom Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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