Digital River CEO Buys $5M Worth

NEW YORK (TheStreet) -- Which insiders are selling and buying chunks of stocks?

Below are lists of the top 10 open-market insider purchases and sales filed at the Securities and Exchange Commission Thursday as ranked by dollar value. Company executives and directors are in the best position to assess the attractiveness of their firms' shares, and here is how many of them are voting their wallets! Please note, however, that these are factual lists, not buy and sell recommendations. Dollar value is only one metric to assess the importance of an insider transaction.

Nustar Energy LP (NS) Greehey William E DIR 100,000 $5,279,011 Digital River (DRIV) Ronning Joel A CEO,DIR 194,000 $5,005,589 Emerson Electric (EMR) Busch August A III DIR 51,000 $2,109,290 Adaptec (ADPT) Steel Partners II LP BO 537,252 $1,745,297 Hyatt Hotels (H) Hoplamazian Mark Samuel CEO,PR, DIR 40,000 $1,165,238 Bondscom Group (BDCG.OB) Fund Holdings LLC BO 2,667,000 $1,000,125 Orexigen Therapeutics (OREX) Domain Parters Vii L P BO 135,686 $940,304 Mexico Fund (MXF) Clariond Eugenio DIR 33,806 $728,367 Broadridge Financial Solutions (BR) Weinbach Arthur F CB,DIR 25,000 $571,133 Boulder Growth & Inc Fund (BIF) Ernest Horejsi Trust No 1b BO 89,837 $498,268

Microsoft (MSFT) Gates William H III DIR 3,000,000 $86,170,800 Universal American (UAM) Welsh Carson Anderson & Stowe Ix LP BO 1,711,740 $16,689,465 IAC/ Interactivecorp (IACI) Liberty Media Corp BO 797,500 $15,632,841 Lumber Liquidators (LL) Sullivan Thomas D CB,DIR, BO 459,100 $11,636,264 Berkshire Hathaway (BRK.B) Bill & Melinda Gates Foundation Trust BO 1,410 $4,803,959 Tupperware Brands (TUP) Goings E V CB,CEO, DIR 100,000 $4,769,961 Intrepid Potash (IPI) Jornayvaz Robert P III CB,CEO, DIR,BO 175,000 $4,530,374 Intrepid Potash (IPI) Harvey Hugh E Jr DIR,CTO, BO 175,000 $4,530,137 Gentiva Health Services (GTIV) Windley Rodney D DIR 137,120 $3,319,430 Carnival (CCL) Arison Micky Meir CB,CEO, DIR,BO 92,434 $2,918,331

Key to Titles: A=Assistant, AI=Affiliated Investor, AO=Accounting Officer, BD=Business Development, BO=Beneficial Owner, CAO=Chief Accounting Officer, CB=Chairman, CCO=Chief Compliance Officer, CEO=Chief Executive Officer, CFO=Chief Financial Officer, CIO=Chief Information Officer, CO=Compliance Officer, COO=Chief Operating Officer, CT=Controller, CTO=Chief Technology Officer, DIR=Director, F=Founder, FO=Financial Officer, GC=General Counsel, HR=Human Resources, IO=Information Officer, IR=Investor Relations, LO=Legal Officer, MD=Managing Director, O=Officer, OO=Operating Officer, PR=President, PT=Partner, REL=Relative of an insider, SEC=Secretary, SH=Shareholder, SO=Sales Officer, TO=Technology Officer, TR=Treasurer, TT=Trustee, VCB=Vice Chairman, VP=Vice President, X=Ex Officer or other title displayed.