By Jonathan Moreland, founder of InsiderInsights.com and author of Profit From Legal Insider Trading.

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 Wednesday, December 1, 2010 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.

Motorola (MOT) Icahn Carl C BO 2,456,862 $19,532,052
American International Group (AIG) Fairholme Capital Mgt BO 215,900 $8,904,096
Aon Corp (AON) Knight Lester B DIR 50,000 $2,023,315
Crosstex Energy LP (XTEX) GSO Crosstex BO 106,000 $1,479,565
St Joe (JOE) Fairholme Capital Mgt BO 49,900 $868,956
VMware (VMW) Emc Corp BO 9,900 $791,900
Western Alliance Bancorporation (WAL) Marshall Todd DIR 100,000 $618,500
First Industrial Realty (FR) Hackett H Patrick Jr DIR 63,000 $479,665
Invesco Van Kampen Muni Opp Tr (VMO) Dammeyer Rodney F DIR 19,560 $276,693
Echo Global Logistics (ECHO) Lefkofsky Eric P DIR,BO 22,739 $238,898
Source: www.InsiderInsights.com
First Solar (FSLR) JTW Trust BO 400,000 $48,847,628
Riverbed Technology (RVBD) Swartz James R DIR 200,000 $6,845,950
Chipotle Mexican Grill (CMG) Moran Montgomery F CEO,DIR 20,000 $5,160,350
Medassets (MDAS) Rutherford John C DIR 250,000 $4,577,500
Masimo (MASI) Coleman Robert DIR 123,400 $3,849,216
MKS Instruments (MKSI) Bertucci John R DIR 150,000 $3,066,000
Valeant Pharmaceuticals (VRX) Chouinard Michel COO 102,658 $2,582,874
Genpact (G) Bhasin Pramod PR,CEO
DIR
143,126 $2,075,327
Myriad Genetics (MYGN) Best Lawrence C DIR 90,000 $1,938,283
Inland Real Estate (IRC) Goodwin Daniel L DIR,BO 20,000 $170,940
Source: www.InsiderInsights.com

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, EVP=Executive Vice President, 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.
Jonathan Moreland is the founder of InsiderInsights.com, which produces a weekly newsletter and offers professional screening and alerting tools to analyze a proprietary, real-time insider data feed. He is also the principal of Insider Asset Management, a registered investment advisor in New York. Mr. Moreland has been analyzing insider data professionally for two decades and has been a contributor to TheStreet.com since 2001. A fundamental analyst with an MBA in finance, Mr. Moreland long ago identified insider data as an excellent first screen to determine where to focus his research efforts. He is quoted frequently in the media for his insider analysis and stock recommendations stemming from it. He is also author of Profit From Legal Insider Trading.

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.