Robert Greifeld

Insider Trading: Sales
Company Symbol Price Amount Relationship Remaining Holdings Date Form 4
NDAQ $24.49 39,162 Officer, Director 673,055 2012-12-12 Filing
NDAQ $24.10 35,838 Officer, Director 673,055 2012-12-12 Filing
NDAQ $23.57 40,000 Officer, Director 673,055 2012-12-11 Filing
NDAQ $23.60 35,000 Officer, Director 673,055 2012-12-10 Filing