By Jonathan Moreland, founder of InsiderInsights.com 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 Monday, December 06, 2010 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.

Pacific Capital Bancorp (PCBC) Loomis William R Jr DIR 3,000,000 $992,700
Tower International (TOWR) Malcolm Mark PR,CEO
DIR
20,000 $309,830
Mako Surgical (MAKO) Freund John Gordon DIR 20,000 $236,212
Berkshire Bancorp (BERK) Marx Moses DIR,BO 37,484 $172,428
Howard Hughes (HHC) Model Allen J DIR 3,000 $133,185
Ariba (ARBA) Wallman Richard F DIR 5,000 $107,460
Patriot National Bancorp (PNBK) Weinbaum Michael J DIR 50,000 $100,000
Rural Metro (RURL) Dimino Michael P PR,CEO
DIR
7,485 $86,916
Opti (OPTI) S Muoio & Co BO 36,215 $83,295
Andatee China Marine Fuel (AMCF) Fengbin An CEO,DIR
BO
13,050 $73,574
Source: www.InsiderInsights.com
Gap (GPS) Fisher Doris F O 1,250,000 $26,707,900
Amazon.Com (AMZN) Onetto Marc A VP 65,000 $11,430,117
Cabelas (CAB) Cabelas Family Llc BO 445,000 $9,921,304
Stericycle (SRCL) Miller Mark C CB,CEO 100,000 $7,694,563
Expeditors International (EXPD) Coughlin Philip M VP 80,632 $4,461,522
TPC Group (TPCG) Cacioppo James DIR 114,994 $3,198,243
Coventry Health Care (CVH) Wise Allen F CEO,DIR 105,898 $2,808,203
Cavium Networks (CAVM) Chadwick Arthur D VP,CFO 70,000 $2,744,700
Brown & Brown (BRO) Henderson Jim W VCB,COO 100,633 $2,393,053
Ceva (CEVA) McManamon Peter DIR 100,000 $2,264,890
Source: www.InsiderInsights.com

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 InsiderInsights.com, 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 TheStreet.com 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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