PHILADELPHIA, PA — Arthur Block sold 99,437 shares of Comcast Corp stock, or $2,832,682 worth, as noted in an SEC Filing today. As reported in the filing, the transactions occurred on February 17, 2012.

After the transaction, Arthur Block's stake was reported as 31,033 shares of Comcast Corp stock. In addition, Arthur Block performed several other transactions, including using transaction codes 'M' (exercise, usually of options). Arthur Block's title was listed as "SVP, GC and Secretary" at Comcast Corp within the filing.

As noted on February 22, 2012, Arthur Block's sale was done directly over 3 transactions on February 17, 2012. The share price ranged from $27.62 to $28.5 according to the regulatory filing detailing the transactions.

If we look over the past 12 months, Arthur Block has sold a total of 317,849 shares of Comcast Corp, proceeds from the sale totaled $8,235,486. Over the same time period, Arthur Block has purchased no shares of Comcast Corp stock. Arthur Block has also performed other transactions including payment of tax liabilites , and exercise of options .

Let's take a quick, high-level look at insider trading at Comcast Corp over the past 12 months. A total of 1,196,334 shares of Comcast Corp stock was sold by insiders, totaling $30,704,417. Over the same time 12 month time period, 25,000 shares of Comcast Corp, for a total value of $633,330 were purchased by company insiders.

To view the complete SEC Filing: Comcast Corp 4 (Insider Trading) SEC Filing