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 open-market insider purchases and sales filed at the Securities and Exchange Commission Tuesday, July 26, 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) Longleaf Partners BO 222,298 $8,717,814
Vantage Drilling (VTG) Su Hsin Chi BO 1,110,878 $2,129,097
Valhi (VHI) Simmons Harold C CB,DIR
5,996 $346,021
Interactive Brokers (IBKR) Harris Lawrence E DIR 15,000 $228,000
General Mills (GIS) Palmore Roderick A VP,GC 4,013 $151,516
Audiovox (VOXX) Jacobs Paul PR,CEO 10,000 $76,500
Philip Morris Intl (PM) Marchionne Sergio DIR 1,050 $74,813
Hudson City Bancorp (HCBK) Fabiano Anthony J VP 4,490 $37,043
Synalloy (SYNL) Bram Craig C CEO,PR
3,000 $36,150
Hudson City Bancorp (HCBK) Schlesinger Steven M VP 3,500 $29,225
American Capital (ACAS) Paulson & Co BO 1,909,699 $19,272,252
CSX (CSX) Fitzsimmons Ellen M VP,GC
320,000 $8,136,140
NCR (NCR) Nuti William CB,CEO
270,000 $5,477,360
MetroPCS Communications (PCS) TA Associates DIR 175,000 $2,978,372
EMC (EMC) Egan John R DIR 100,000 $2,792,720
Acacia Research Corp (ACTG) Harris Robert L Ii PR,DIR 32,500 $1,456,181
Arbitron (ARB) Abrams Capital BO 20,917 $899,484
Dolby Laboratories (DLB) Dolby Ray BO 20,000 $888,290
IBM (IBM) Adkins Rodney C VP 4,810 $884,358
Sensient Technologies (SXT) Manning Kenneth P CB,CEO
21,523 $843,783

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.

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