The Insider Selling article names only one of the two sales by CEO Lefar. CEO Lefar also sold 22,409 shares this week.
Today's article says:
"Lefar Marc who is Chief Executive Officer at Vonage Holdings Corporation (NYSE:VG), sold 468,657 shares at $2.51 per share for a total value of $1,176,329. The shares recently traded at $2.44, down $0.07, or 2.79% since the insider sale."
Plus last time, less than a month ago: "CEO Marc Lefar sold 245,491 shares of VG stock on 01/09/2013 at the average price of 2.51."