By Jonathan Moreland, founder of Insider Insights 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 mainly open-market insider purchases and sales filed at the Securities and Exchange Commission Friday, December 02, 2011 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.

Texas Industries (TXI) Nns Holding BO 269,535 $7,707,491
Universal Display Corp (PANL) Discovery Capital Management BO 100,000 $3,685,000
Adolor (ADLR) Nickelson Donald E DIR 207,896 $973,498
Tejon Ranch (TRC) Towerview Llc BO 27,211 $642,499
Globaloptions Group (GLOI) Weiss Asset Management BO 105,100 $262,750
Globaloptions Group (GLOI) BIP Gp BO 73,570 $183,925
Fxcm (FXCM) Yusupov Eduard DIR 15,700 $156,461
Avnet (AVT) Schumann William H DIR 5,000 $148,800
Primus Guaranty (PRS) Second Curve Capital BO 25,000 $143,300
GP Strategies (GPX) Sagard Capital Partners BO 8,800 $114,298
Source: www.InsiderInsights.com
Whole Foods Market (WFM) Green Equity Investors V L P DIR 684,483 $46,573,836
Trimas Corp (TRS) Heartland Industrial Associates Llc BO 2,000,000 $38,900,000
Autonation (AN) Bill And Melinda Gates Foundation Trust O 489,800 $17,769,160
Lululemon Athletica (LULU) Wilson Dennis J DIR,BO 100,000 $4,920,800
Coca Cola (KO) Cahillane Steven A PR,CEO 52,292 $3,514,075
Mohawk Industries (MHK) Lorberbaum Mark BO 60,000 $3,261,414
Mobile Mini (MINI) Trachtenberg Lawrence DIR 180,000 $3,150,540
LKQ Corp (LKQX) Flynn Kevin F DIR 100,000 $3,098,594
Riverbed Technology (RVBD) McCanne Steven CTO,DIR 100,000 $2,539,460
FMC Technologies (FTI) Netherland Joseph H DIR 48,423 $2,510,607
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.

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