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 Monday, February 06, 2012 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.

Exco Resources (XCO) WL Ross & Co BO 1,730,000 $12,023,929
Spectrum Brands (SPB) Harbinger Group BO 68,800 $2,053,933
Urstadt Biddle Properties (UBP) Urstadt Charles J CB,CEO
100,000 $2,000,000
Urstadt Biddle Properties (UBP) Biddle Willing L PR,COO
100,000 $2,000,000
Shoretel (SHOR) Daichendt Gary James DIR 91,900 $503,061
Essex Rental (ESSX) Knott David M BO 92,300 $323,973
Dominion Resources (D) Kington Mark J DIR 5,000 $251,631
First Opportunity Fund (FOFI) Lola Brown Trust BO 32,700 $214,065
Response Genetics (RGDX) Van Den Broek Richard DIR 100,000 $150,000
Nasdaq Omx Group (NDAQ) Wedenborn Lars DIR 4,510 $112,164
Wisdomtree Investments (WETF) Steinhardt Michael H DIR 6,166,667 $32,868,336
Autonation (AN) Bill & Melinda Gates Foundation O 878,399 $31,840,052
Wisdomtree Investments (WETF) RRE Ventures Gp III BO 2,000,000 $10,660,000
BE Aerospace (BEAV) Khoury Amin J CB,CEO
98,965 $4,424,725
IBM (IBM) Adkins Rodney C VP 20,615 $3,986,249
IBM (IBM) Weber Robert C VP 20,500 $3,956,500
Chipotle Mexican Grill (CMG) Baldocchi Albert S DIR 10,000 $3,695,035
Worthington Industries (WOR) McConnell John P Oh CB,CEO
189,672 $3,637,629
Mastercard (MA) Mastercard Foundation BO 7,033 $2,730,216
BE Aerospace (BEAV) McCaffrey Thomas P VP,CFO 49,020 $2,191,684

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, 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 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.