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, July 29, 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.

Bluelinx Holdings (BXC) Feinberg Stephen BO 15,551,979 $32,659,156
Texas Industries (TXI) Longleaf Partners Funds BO 384,150 $14,752,143
Western Asset Claymore Inflation Linked Opp Fd (WIW) Cascade Investment BO 85,994 $1,078,090
Infinera (INFN) Welch David F VP 150,000 $1,017,925
Apollo Residential Mortgage (AMTG) Commaroto Michael A CEO,PR 50,000 $1,000,000
Infinera (INFN) Fallon Thomas J PR,CEO 50,000 $326,050
Daegis (UNFY) Blueline Catalyst Fund DIR,BO 70,023 $154,255
Johnson & Johnson (JNJ) Perez William D DIR 1,000 $64,980
Primus Guaranty (PRS) Second Curve Capital BO 10,000 $58,200
Office Depot (ODP) Colligan Thomas J DIR 15,000 $56,850
Microsoft (MSFT) Gates William H III DIR 5,000,000 $137,945,504
Cobalt International Energy Inc (CIE) Gillespie Samuel H Iii GC 286,169 $3,759,030
MetroPCS Communications (PCS) TA Associates DIR 150,000 $2,463,435
Gulfmark Offshore (GLF) Millard Robert B DIR 48,505 $2,321,023
Mastercard (MA) Mastercard Foundation BO 7,420 $2,263,100
Rightnow Technologies (RNOW) Gianforte Greg R CB,CEO
50,000 $1,675,000
Stryker (SYK) Stryker Ronda E DIR 18,000 $977,023
Rue21 (RUE) Fisch Robert PR,CEO
25,000 $820,500
Crown Castle Intl (CCI) Moreland W Benjamin PR,CEO
18,325 $815,463
SVB Financial (SIVB) Jones David A O 11,660 $713,799

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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