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 Thursday 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.
TPC Group (TPCP) QVT Associates Gp LLC BO 194,490 $2,479,748
Zygo (ZIGO) Mak Capital One LLC BO 111,304 $1,064,341
National Holdings (NHLD) Bedford Oak Advisors LLC BO 205,000 $132,758
Gallery Of History (HIST) Axelrod Todd M CEO,PR,
253,002 $126,501
Real Goods Solar (RSOL) Schaeffer John PR,DIR 10,000 $35,000
Servidyne (SERV) Danielson Gilbert L DIR 10,000 $34,183
Flow International (FLOW) Lamadrid Lorenzo Cesar DIR 10,000 $31,789
Charming Shoppes (CHRS) Bennet Richard Wilson III DIR 5,000 $24,950
Advent Claymore Global Conv Sec (AGC) Seizert Gerald L DIR,TT 2,250 $20,048
Advent Claymore Enhanced Gr Inc Fund (LCM) Seizert Gerald L DIR,TT 1,650 $19,718
Google (GOOG) Brin Sergey PR,DIR,
83,334 $47,310,933
TPC Group (TXPI.PK) Ramius LLC BO 354,490 $4,449,748
Volcom (VLCM) Woolcott Richard R CB,CEO,
160,000 $3,200,896
Jabil Circuit (JBL) Morean William D DIR 150,000 $2,505,000
Vornado Realty Trust (VNO) Wight Russell B Jr DIR 28,800 $2,306,422
American Axle Manuf (AXL) Dauch Richard E CB,CEO,
200,100 $2,114,007
Contango Oil Gas (MCF) Bautina Lesia VP,CT 30,000 $1,649,400
Chipotle Mexican Grill (CMG) Ells Steve CB,CEO,
10,000 $1,200,000
Contango Oil Gas (MCF) Reimer Charles M DIR 20,000 $1,095,250 (CRM) Benioff Marc CB,CEO,
10,000 $772,794

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.