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.
Chattem (CHTT) Sanofi Aventis BO 853,257 $79,779,530
Solar Capital Ltd (SLRC) Gross Michael S CB,CEO,
600,000 $11,100,000
Lions Gate Entertainment (LGF) Icahn Carl C BO 945,139 $4,835,030
Gencorp (GY) Lichtenstein Warren G DIR 200,000 $770,510
Nyse Euronext (NYX) Niederauer Duncan L CEO,DIR 25,000 $607,993
Endwave (ENWV) Empire Capital Management BO 121,464 $303,660
EV Energy LP (EVEP) Walker John B CEO,DIR 10,000 $280,800
Bancorp Rhode Island (BARI) Chace Malcolm G DIR,BO 10,000 $250,273
Brinks (BCO) Dan Michael T CB,CEO,
10,000 $243,500
Chimera Investment (CIM) Lambiase Matthew CEO,PR,
55,000 $203,050
Microsoft (MSFT) Gates William H III DIR 2,000,000 $56,179,600
China Valves Technology (CVVT) Kitt Barry M BO 500,000 $5,325,000
Stryker (SYK) Stryker Ronda E DIR 90,000 $4,675,016
M T Bank (MTB) Sadler Robert E Jr VCB,DIR 55,000 $3,982,934
OSI Systems (OSIS) Chopra Deepak CEO,PR,
120,000 $3,270,816
3par (PAR) Mayfield Ix O 275,893 $2,601,754
Gentex (GNTX) Bauer Fred CB,CEO,
137,500 $2,565,890
Berkshire Hathaway (BRK.B) Bill Melinda Gates Foundatio BO 21,802 $1,623,710
Aflac (AFL) Amos John Shelby II DIR 27,000 $1,348,901
Ralcorp Holdings (RAH) Hunt Kevin J CEO,PR,
20,715 $1,346,637

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.
Under no circumstances does the information in this column represent a recommendation to buy or sell stocks. While he cannot provide investment advice or recommendations, Moreland appreciates your feedback; click here to send him an email.