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 Friday, Jan. 14, 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.

Kraton Performance Polymers (KRA) GMT Capital Corp BO 24,400 $791,048
Hain Celestial Group (HAIN) Icahn Carl C BO 24,500 $657,673
Arbinet Corp (ARBX) Canton Holdings BO 16,323 $153,051
Fuller HB (FUL) Giertz James R VP,CFO 5,000 $112,422
Bitstream (BITS) Columbia Pacific Opp Fund LP BO 12,375 $88,760
Amer First Tax Exempt Inv Lp (ATAX) Roskens Lisa Y CB,PR
10,000 $53,738
Schulman A (SHLM) Whiteman Kim L VP,HR 1,500 $31,992
Mannatech (MTEX) Jobe Larry A DIR 10,000 $19,335
Biosante Pharmaceuticals (BPAX) Sullivan Louis W DIR 10,000 $17,200
Live Current Media (LIVC) Jeffs David CEO,SEC
140,000 $11,900
Unit Corp (UNT) George Kaiser Family Foundation BO 399,000 $20,083,558
Mastercard (MA) Mastercard Foundation BO 31,830 $7,411,982
Kellogg Co (K) Kellogg WK Foundation Tr BO 100,000 $5,155,690
Affymax (AFFY) Laporte Kathleen DIR 314,741 $2,226,011
Contango Oil & Gas (MCF) Peak Kenneth R CB,CEO
28,878 $1,666,352
Concur Technologies (CNQR) Singh Sudhir Steven CEO,DIR 20,000 $1,092,036
IRobot Corp (IRBT) Chwang Ronald DIR 36,655 $952,897
Tech Data (TECD) Dutkowsky Robert M CEO,DIR 20,000 $928,161
Synchronoss Technologies (SNCR) McCormick James M DIR,BO 25,000 $782,125
Emcor Group (EME) Macinnis Frank T DIR 23,000 $690,039

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.