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 Tuesday 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.
VMware (VMW) Emc Corp BO 120,000 $9,181,468
ADPT (ADPT) Steel Partners II LP BO 983,600 $2,742,408
Continental Resources (CLR) Hamm Harold CB,CEO,
40,000 $1,705,200
Agilysys (AGYS) Mak Capital One LLC DIR,BO 161,721 $878,068
Impax Laboratories (IPXL) Chao Allen DIR 46,200 $740,586
Alliance Healthcare Services (AIQ) MTS Health Investors II LP BO 150,000 $674,750
Global Indemnity Plc (GBLI) Fox Saul A DIR,BO 31,700 $484,916
Exelixis (EXEL) Willsey Lance DIR 100,000 $293,040
Mistras Group (MG) Vahaviolos Sotirios J CB,CEO,
25,000 $245,373
Sandridge Energy (SD) Jordan Daniel DIR 50,000 $225,000
Microsoft (MSFT) Gates William H III DIR 2,000,000 $48,979,200
Amazon.Com (AMZN) Wilke Jeffrey A VP 21,201 $2,661,225
Amazon.Com (AMZN) Jassy Andrew R VP 14,960 $1,847,573
Amazon.Com (AMZN) Kessel Steven VP 14,960 $1,847,487
Whole Foods Market (WFMI) Gallo A C PR,COO 48,984 $1,808,484
Amazon.Com (AMZN) Piacentini Diego VP 10,337 $1,297,515
Salesforce.Com (CRM) Benioff Marc CB,CEO,
10,000 $991,345
Amazon.Com (AMZN) Szkutak Thomas J CFO,VP 6,850 $859,748
Amazon.Com (AMZN) Wilson L Michelle VP 6,053 $759,782
Amazon.Com (AMZN) Blackburn Jeffrey M VP 5,461 $675,034

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.