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 Tuesday, Oct. 26, 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.

VMware (VMW) Emc Corp BO 79,100 $5,968,624
Medivation (MDVN) QVT Associates BO 157,196 $1,773,145
American Express (AXP) Leonsis Theodore DIR 20,000 $787,648
New York Mortgage Trust (NYMT) Harvest Capital Strategies BO 37,700 $239,285
Bitstream (BITS) Columbia Pacific Opp Fund LP BO 23,500 $158,404
Insweb Corp (INSW) Osmium Partners BO 19,400 $129,100
Vascular Solutions (VASC) Saucedo Jorge DIR 4,000 $42,800
Twin Disc (TWIN) Fabry Henri Claude VP 1,200 $23,568
Cytomedix (GTF) Jorden David Emerson DIR 35,000 $15,750
Renasant Corp (RNST) Foy John DIR 500 $8,135
First Cash Financial Svs (FCFS) Powell John C VP,IO
192,000 $5,417,245
China Yida Holding (CNYD) Pope Investments II BO 500,000 $5,000,000
Dish Network (DISH) Defranco James VP,DIR 100,000 $1,959,000
Tempur Pedic Int'l (TPX) Williams Dale E VP,CFO 50,000 $1,750,000
Platinum Underwriters (PTP) Lombardozzi Michael E VP,GC
39,517 $1,715,955
Platinum Underwriters (PTP) Price Michael D PR,CEO
33,333 $1,437,862
Hittite Microwave Corp (HITT) Ayasli Yalcin BO 23,000 $1,193,679
Salesforce.Com (CRM) Benioff Marc CB,CEO
10,000 $1,117,098
Eaton Corp (ETN) Craig Arnold COO 12,000 $1,059,000
China Ritar Power (CRTP) Pope Investments BO 217,359 $836,832

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.