Insider Stock Trading History of Yorktown Energy Partners Vii, L.p.


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 Yorktown Energy Partners Vii, L.p. since year 2005. The trader's CIK number is 1423080. At the time of this reporting, Yorktown Energy Partners Vii, L.p. is the 10% Owner of Hallador Petroleum Co . (stock ticker symbol hcpo.ob). See this page for all insider trading activities at Hallador Petroleum Co .


Stock purchases, sales, and option exercises reported by insider Yorktown Energy Partners Vii, L.p. since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2008-07-21 HCPO Hallador Petroleum Co Buy 3,280,735 4.00 13,122,940

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 Yorktown Energy Partners Vii, L.p. (10% Owner of Hallador Petroleum Co at the time of this reporting) see the Securities and Exchange Commission (SEC) website.