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.
Spectrum Brands (SPB) Harbinger Capital Master Fund I BO 100,000 $2,972,770
Westport Innovations (WPRT) Douglas Kevin BO 97,000 $1,601,470
Unit (UNT) George Kaiser Family Foundation BO 34,200 $1,428,274
Saul Centers (BFS) Saul B Francis II CEO,DIR,
4,400 $181,163
Arabian American Dev (ARSD) Al Athel Fahad Mohammed Saleh BO 14,034 $37,471
PNC Financial Services (PNC) Wehmeier Helge H DIR 292 $17,716
Mimedx Group (MDXG) Gorlin Steve DIR 5,000 $7,515
Global Investor Services (GISV) Kosoff William C CFO,DIR 707,770 $7,078
Republic Bancorp Ky (RBCAA) Greenberg Craig DIR 362 $6,820
Republic Bancorp Ky (RBCAA) Snowden Sandy Metts DIR 337 $6,349
Arqule (ARQL) BVF Partners L P Il BO 3,753,000 $22,943,689
Guess (GES) Marciano Maurice CB,DIR,
120,000 $5,661,750
Apple (AAPL) Serlet Bertrand VP 10,000 $2,376,700
SXC Health Solutions (SXCI) Reddon Philip DIR 24,000 $1,614,455
Dynegy (DYN) LS Power Development LLC BO 901,600 $1,129,744
Discover Financial Svs (DFS) Talwar Harit VP 74,999 $1,129,485
Big Lots (BIG) Claxton Robert Craig VP 27,500 $1,006,225
Big Lots (BIG) Martin John Charles VP 27,500 $1,006,225
Aeropostale (ARO) Geiger Julian DIR 33,726 $974,752
Rightnow Technologies (RNOW) Gianforte Family Charitable Trust BO 50,000 $900,000

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.