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 Tuesday, July 12, 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 130,907 $5,196,659
Kior (KIOR) Peterson Stuart L BO 140,511 $2,121,638
Titanium Metals (TIE) Simmons Harold C CB,DIR
49,525 $875,107
Canyon Copper (CNYC) Harvey Anthony R CB,CEO
857,142 $308,571
Valhi (VHI) Simmons Harold C CB,DIR
5,000 $283,900
Salient MLP & Energy Infrastructure Fund (SMF) Reid Gregory Allen PR,CEO
5,000 $122,374
Esterline Technologies (ESL) Etter Delores M DIR 1,235 $100,171
Delias (DLIA) Zimmerman Michael DIR 42,854 $77,450
Pioneer Muni High Inc Trust (MHI) West Stephen TT 4,215 $60,643
Immucell (ICCC) Tomsche David Scott DIR 1,873 $12,410
Apollo Group (APOL) Sperling John G CB,DIR 302,711 $14,751,501
Titan Machinery (TITN) Meyer David Joseph CB,CEO
300,000 $8,340,000
Guess (GES) Marciano Maurice CB,DIR
150,000 $6,592,500
Titan Machinery (TITN) Christianson Peter J PR,COO
200,000 $5,560,000
Rite Aid (RAD) Jean Coutu Group BO 4,097,000 $5,331,740
Ensign Group (ENSG) Stapley Gregory K VP 72,000 $2,260,327
Glu Mobile (GLUU) Nada Hany DIR 360,942 $2,006,862
Intermec (IN) Unitrin BO 120,253 $1,330,445
Stryker (SYK) Stryker Ronda E DIR 18,000 $1,060,736
Dolby Laboratories (DLB) Dolby Ray BO 20,000 $819,960

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.