Shareholder Buys $4.7M More of Westport

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 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.

Westport Innovations (WPRT) Douglas Kevin BO 317,845 $4,737,700 Zygo (ZIGO) Mak Capital One LLC BO 75,200 $752,000 KKR Financial Holdings Llc (KFN) Sonneborn William C CEO,DIR 20,000 $148,490 Evolving Systems (EVOL) Singer Karen BO 20,000 $134,600 TRW Automotive Holdings (TRW) Walker Lee Robin A VP,GC 3,000 $83,400 Allstate (ALL) Greenberg Jack M DIR 2,500 $80,120 First Citizens Bancshares (FCNCA) Holding Frank B VCB,DIR, BO 360 $70,645 Altigen Communications (ATGN) Miller Lloyd I III BO 86,060 $63,013 Digital Realty Trust (DLR) Earley Kathleen DIR 1,000 $55,450 Blackrock (BLK) Bank Of America Corp DIR 253 $54,611 Source: www.InsiderInsights.com

Healthspring (HS) Leon Benjamin Jr DIR 350,000 $6,430,200 Equinix (EQIX) Crosslink Capital Inc O 62,055 $6,365,845 Cablevision Systems (CVC) Ratner Hank VCB 228,273 $5,492,183 SXC Health Solutions (SXCI) Reddon Philip DIR 81,000 $4,940,620 Commerce Bancshares (CBSH) Kemper David W CB,CEO, DIR 96,290 $3,899,360 Universal Health Services (UHS) Miller Alan B CB,CEO, DIR,BO 100,000 $3,282,120 Vistaprint N V (VPRT) Keane Robert S CB,CEO, PR,DIR 47,000 $2,916,894 Universal Health Services (UHS) Miller Marc D PR,DIR 75,000 $2,461,920 Vornado Realty Trust (VNO) Wight Russell B Jr DIR 30,000 $2,115,579 Acorda Therapeutics (ACOR) Panem Sandra Phd DIR 60,000 $2,040,048 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, 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.