By Jonathan Moreland, founder of InsiderInsights.com 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 Wednesday, March 16, 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.

American Superconductor (AMSC) Douglas Kevin BO 300,000 $7,002,000
Fushi Copperweld (FSIN) GMT Capital BO 192,900 $1,661,369
Deer Consumer Products (DEER) He Ying CEO,DIR
BO
100,000 $1,101,000
Pacific Sunwear (PSUN) Greek Investments BO 200,000 $847,010
Sensata Technologies (ST) Jacobson Michael J DIR 20,000 $641,320
Contango Ore (CTGO) Gillen Donald BO 24,661 $419,237
Cumberland Pharmaceuticals (CPIX) Jacobs Joey A DIR 50,000 $257,579
Inland Real Estate (IRC) Goodwin Daniel L DIR,BO 27,500 $254,100
Rentrak (RENT) Livek William Paul CEO,DIR 9,105 $209,415
Opko Health (OPK) Frost Phillip Md CEO,CB
DIR,BO
50,000 $184,716
Source: www.InsiderInsights.com
Google (GOOG) Page Lawrence PR,SEC
DIR,BO
83,334 $47,107,685
Heinz H J (HNZ) Peltz Nelson DIR 419,148 $20,681,308
Tutor Perini (TPC) Tutor Ronald N CB,CEO
DIR,BO
326,436 $7,508,987
Clean Energy Fuels (CLNE) Miller Bradley N PR 525,000 $7,214,060
General Dynamics (GD) Chabraja Nicholas D DIR 50,000 $3,775,615
Mohawk Industries (MHK) Lorberbaum Mark BO 50,000 $2,904,500
Uranium Resources (URRE) Marxe Austin W BO 1,000,000 $1,700,000
Stryker (SYK) Stryker Ronda E DIR 27,000 $1,654,546
Capital One Financial (COF) Perlin Gary L CFO 32,003 $1,616,152
Stillwater Mining (SWC) McAllister Francis R CEO 61,500 $1,497,956
Source: www.InsiderInsights.com

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 InsiderInsights.com, 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 TheStreet.com 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.