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, November 01, 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.

High Plains Gas (HPGS) Hettinger Mark D DIR 70,000,000 $3,500,000
Vistaprint (VPRT) Smith Thomas W BO 21,469 $705,574
High Plains Gas (HPGS) Hettinger Joseph DIR 7,001,299 $350,065
Valhi (VHI) Simmons Harold C CB,DIR
5,000 $289,136
Aegion (AEGN) Morris David F VP,GC
13,550 $214,768
Camelot Entertainment (CMGR) Atwell Robert P CEO,DIR
135,000,000 $194,500
Carbo Ceramics (CRR) Limbacher Randy L DIR 1,000 $138,750
Office Depot (ODP) Hedrick W Scott DIR 50,000 $120,650
Polyone (POL) Powell William Howard DIR 10,000 $116,648
American Capital Mortgage (MTGE) Kain Gary D PR,FO 5,000 $90,700
GNC Holdings (GNC) Ontario Teachers Pension Plan DIR,BO 10,204,763 $242,465,168
GNC Holdings (GNC) Ares Corporate Opp Fund DIR,BO 8,006,247 $198,154,608
Microsoft (MSFT) Gates William H III DIR 5,000,000 $134,599,504
Capitalsource (CSE) Hurd Timothy M DIR 5,147,075 $31,510,910
Under Armour (UA) Plank Kevin A PR,CEO
143,100 $12,064,245
Energy Transfer Equity LP (ETE) Williams Randa Duncan BO 135,730 $5,198,072
Under Armour (UA) Plank J Scott VP,BD 46,875 $3,951,797
Fastenal (FAST) Slaggie Stephen M DIR 50,000 $1,946,325
Molex (MOLX) Krehbiel Frederick A CB,DIR
70,000 $1,791,265
Dorman Products (DORM) Berman Steven L CEO,DIR
44,200 $1,709,680

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.

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