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 Friday, August 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.

Gaylord Entertainment (GET) TRT Holdings BO 3,764,699 $97,437,560
Cathay General Bancorp (CATY) Tang Anthony M VP,DIR 1,000,000 $10,889,171
JP Morgan Chase (JPM) Crown James S DIR 194,109 $6,798,470
Lions Gate Entertainment (LGF) Icahn Carl C BO 702,877 $4,776,460
Kior (KIOR) Peterson Stuart L BO 432,927 $4,577,322
Viropharma (VPHM) Baker Brothers Life Sciences Capital BO 244,049 $4,047,028
Alpha Natural Resources (ANR) Quillen Michael J DIR 70,000 $2,130,114
Equity One (EQY) Katzman Chaim CB,DIR
111,700 $1,878,741
Ligand Pharmaceuticals (LGND) Knott David M DIR 145,000 $1,579,000
Leap Wireless (LEAP) Rachesky Mark H Md DIR,BO 166,000 $1,185,804
Western Gas Partners (WES) Crane James R DIR 129,400 $4,386,660
Warnaco (WRC) Gromek Joseph R PR,CEO
70,000 $3,444,077
Advance America Cash Adv (AEA) Johnson George D Jr BO 174,700 $1,341,696
Stryker (SYK) Stryker Ronda E DIR 18,000 $851,243
Chipotle Mexican Grill (CMG) Flynn Patrick J DIR 2,000 $633,020
United Continental (UAL) Tilton Glenn F DIR 27,500 $488,950
Genomic Health (GHDX) Scott Randal W CB,DIR 20,000 $488,730
Universal Stainless (USAP) Pennant Capital Mgt BO 12,000 $417,480
Neurogesx (NGSX) Arkin Moshe BO 163,468 $339,745
Logmein (LOGM) Simon Michael K CEO,PR
10,000 $317,992

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.