Insider Trading activities of Catalytica Energy Systems Inc insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Catalytica Energy Systems Inc since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Catalytica Energy Systems Inc since year 2005. Table 2 shows the detailed insider transactions of Catalytica Energy Systems Inc since 2005. The reporting company's ticker symbol is CESI. The reporting company's CIK number is 1053361.
The total value of stock buying since 2005 is $2,337,313.
The total value of stock sales since 2005 is $82,484.
The total value of stock option exercises since 2005 is $10,000.


Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Catalytica Energy Systems Inc (CESI).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2006-11 1,716,700 $2,317,545 0 $0 0 $0
2006-10 10,787 $12,728 20,800 $24,710 0 $0
2006-09 6,400 $7,040 0 $0 0 $0
2006-07 0 $0 0 $0 25,000 $10,000
2006-03 0 $0 4,700 $7,660 0 $0
2005-06 0 $0 26,900 $50,114 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Catalytica Energy Systems Inc insiders (CESI)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2006-11-30 Marxe Austin W & Greenhouse David M (10% Owner) Buy 1,716,700 1.35 2,317,545
2006-10-18 Marxe Austin W & Greenhouse David M (10% Owner) Sale 7,000 1.17 8,189
2006-10-16 Marxe Austin W & Greenhouse David M (10% Owner) Sale 11,100 1.20 13,308
2006-10-13 Marxe Austin W & Greenhouse David M (10% Owner) Sale 2,700 1.19 3,213
2006-10-10 Marxe Austin W & Greenhouse David M (10% Owner) Buy 10,787 1.18 12,728
2006-09-29 Marxe Austin W & Greenhouse David M (10% Owner) Buy 6,400 1.10 7,040
2006-07-07 Dalla Betta Ralph A (VP & Chief Technology Officer) Option Ex 25,000 .40 10,000
2006-03-27 Marxe Austin W & Greenhouse David M (10% Owner) Sale 4,700 1.63 7,660
2005-06-14 Dalla Betta Ralph A (Chief Technology Officer) Sale 26,900 1.86 50,114

Insider trading activities including stock purchases, stock sales, and option exercises of CESI listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Catalytica Energy Systems Inc (symbol CESI, CIK number 1053361) see the Securities and Exchange Commission (SEC) website.