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 Wednesday 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.
Enterprise Products LP (EPD) Duncan Dan L CB,DIR,
449,000 $15,016,827
Nustar Gp Holdings Llc (NSH) Greehey William E DIR,BO 125,900 $7,348,030
Nustar Energy LP (NS) Greehey William E DIR 125,900 $7,348,030
Enterprise Gp Holdings LP (EPE) Duncan Dan L CB,DIR,
92,000 $3,981,144
DDI (DDIC) Miller Lloyd I III BO 499,301 $2,496,505
Time Warner (TWX) Hassan Fred DIR 34,000 $1,014,172
Sandridge Energy (SD) Gilliland William A DIR 90,000 $694,425
Boulder Total Return Fund (BTF) Lola Brown Trust 1b BO 25,000 $350,000
Petroquest Energy (PQ) Rucks William W Iv DIR 58,600 $332,960
Stereotaxis (STXS) Alafi Christopher  DIR,BO 50,000 $241,324
Google (GOOG) Brin Sergey PR,DIR,
83,334 $45,034,198
Texas Roadhouse (TXRH) Taylor Wayne Kent CB,DIR,
600,000 $8,264,000
Cree (CREE) Palmour John W DIR 100,000 $7,000,000
Heico (HEI) Mendelson Laurans A CB,CEO,
100,000 $5,125,000
Medassets (MDAS) Rutherford John C DIR 187,545 $3,979,167
Healthspring (HS) Leon Benjamin Jr DIR 203,833 $3,801,240
FPL Group (FPL) Hay Lewis III CB,CEO,
60,000 $2,838,600
Liberty Global (LBTYB,
Dvorak Bernard G CFO,VP 114,437 $3,140,868
Natus Medical (BABY) Nierenberg Investment Management BO 162,556 $2,318,046
American Safety Insurance (ASI) Argo Group International BO 139,303 $2,013,080

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, 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.