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 Friday, July 6, 2012 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.
Tesaro (TSRO) Seidenberg Beth C DIR 222,222 2,999,997
Hudson Global (HSON) Sagard Capital BO 100,000 415,000
Opko Health (OPK) Frost Phillip MD et al CEO,CB,BO 50,000 238,174
Tesaro (TSRO) Alleva Lawrence M DIR 11,481 154,994
Summer Infant (SUMR) Wynnefield Part Sm Cap Value BO 15,908 47,724
Rue21 (RUE) Brock Macon F Jr DIR 1,000 25,780
Surrey Bancorp (SRYB) Wright C Hylton CB,DIR,BO 1,933 16,966
Daktronics (DAKT) Kurtenbach Frank J DIR 1,441 10,294
Consolidated Edison (ED) Tai Luther VP 134 8,315
China Information Tech (CNIT) Lin Jiang Huai CEO,DIR,BO 6,031 6,031
Source: Insider Insights
EXA (EXA) Fmr BO 2,080,334 19,347,106
Middleby (MIDD) Bassoul Selim A CEO,CB,PR 100,000 10,000,000
Sxc Health Solutions (SXCI) Bates Richard A VP 53,673 5,308,021
Kellogg (K) Kellogg W K Foundation BO 84,200 4,169,946
PVH (PVH) Gehring Fred CEO,DIR 43,825 3,562,816
Accenture (ACN) Green William D CB,DIR 47,763 2,905,519
Visa (V) Buse Elizabeth PR 14,400 1,820,016
Ascena Retail (ASNA) Jaffe David R PR,CEO,DIR 45,000 845,805
Avalonbay Communities (AVB) Blair Bryce CB,DIR 5,718 818,932
Google (GOOG) Arora Nikesh VP 1,283 769,800
Source: Insider Insights

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.