As noted on November 14, 2012, Liberty Media Corp's purchase was done indirectly through "Through Wholly Owned Subsidiaries" over 2 transactions from November 9, 2012 to November 13, 2012. The share price ranged from $2.74 to $2.75 according to the regulatory filing detailing the transactions.
If we look over the past 12 months, Liberty Media Corp has sold no shares of Sirius Xm Radio Inc stock. Over the same time period, Liberty Media Corp has purchased 4,038,700 shares of Sirius Xm Radio Inc, with a total cost of $11,048,134.
Let's take a quick, high-level look at insider trading at Sirius Xm Radio Inc over the past 12 months. A total of 135,563,195 shares of Sirius Xm Radio Inc stock was sold by insiders, totaling $316,081,055. Over the same time 12 month time period, 271,575,799 shares of Sirius Xm Radio Inc, for a total value of $656,599,111 were purchased by company insiders.
To view the complete SEC Filing: Sirius Xm Radio Inc Form 4 (Insider Trading) SEC Filing