By Jonathan Moreland, founder of 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 last session 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.

>>Also: Top 20 Stocks With Huge Insider Selling
Autozone (AZO) Lampert Edward S BO 397,280 $92,695,252
Google (GOOG) Brin Sergey PR,TO,DIR,BO 83,334 $44,565,404
Corrections Corp Of America (CXW) Wedell Henri L DIR 274,386 $6,814,755
Harvest Natural Resources (HNR) Pabrai Mohnish BO 346,595 $3,859,300
Virtusa Corp (VRTU) Armony Izhar DIR 200,000 $2,012,500
Liquidity Services (LQDT) Mateus Tique Jaime DIR 82,382 $1,334,753
Clean Energy Fuels (CLNE) Miller Bradley N PR 80,818 $1,141,870
Salesforce.Com (CRM) Benioff Marc CB,CEO,DIR,BO 10,000 $1,044,556
Hittite Microwave (HITT) Ayasli Yalcin BO 17,900 $876,351
Brigham Exploration (BEXP) Shepherd Eugene B VP,CFO 40,000 $801,408

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.