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, Nov. 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.

Cathay General Bancorp (CATY) Tang Anthony M VP,DIR 56,267 $696,962
Merge Healthcare (MRGE) Merrick RIS BO 87,000 $435,000
Ultra Clean Holdings (UCTT) Addiego Ginetto PR,COO 63,143 $308,229
Myrexis (MYRX) Aryeh Jason DIR 106,761 $270,780
Blackrock Defined Opportunity Credit Trust (BHL) Keenan James O 16,000 $198,118
Overstock.Com (OSTK) Chou Francis S M BO 18,859 $146,431
Crexendo (EXE) Mihaylo Steven G CEO,DIR
50,000 $142,250
Applied Micro Circuits Corp (AMCC) Stabenow Arthur B DIR 20,000 $134,900
Photomedex (PHMD) Denby Paul J DIR 8,000 $116,773
Celadon (CGI) Russell Stephen CB,CEO
10,000 $101,485
Reynolds American (RAI) Brown & Williamson BO 725,229 $29,241,234
Fusion IO (FIO) Flynn David A CB,CEO
879,853 $27,873,744
Fusion IO (FIO) White Rick C SO,DIR 572,313 $18,130,876
Wal Mart Stores (WMT) Scott H Lee Jr DIR 100,000 $5,711,790
Petsmart (PETM) Stacey Neil H VP,HR 64,502 $3,031,594
Abovenet (ABVT) Ciavarella Joseph VP,CFO 22,465 $1,243,206
Financial Engines (FNGN) Grundfest Joseph DIR 50,000 $1,011,865
Tesla Motors (TSLA) Straubel Jeffrey B CTO 17,000 $538,245
Bridgepoint Education (BPI) Woodard Ross VP,SO 20,058 $422,546
Norfolk Southern (NSC) Allison Clyde H Jr VP,CT 5,500 $401,005

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.