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 Wednesday, September 28, 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.

Wright Medical (WMGI) OEPW Llc BO 273,067 $4,902,354
Strategic American Oil (SGCA) Driver Jeremy PR,CEO
DIR,BO
31,666,668 $3,166,667
RR Donnelley & Sons (RRD) Johnson Thomas S DIR 206,200 $2,987,298
VMware (VMW) Emc Corp BO 23,502 $2,035,557
American Railcar (ARII) Icahn Carl C DIR,BO 55,500 $845,820
Kraton Performance Polymers (KRA) GMT Capital BO 40,100 $645,610
Valhi (VHI) Simmons Harold C CB,DIR
BO
10,001 $532,300
Unilife (UNIS) Shortall Alan CEO,DIR 115,625 $500,440
Willis Lease Finance (WLFC) Jacobs Sy BO 40,524 $480,433
G-III Apparel (GIII) Goldfarb Morris CEO,DIR
BO
10,000 $229,906
Source: www.InsiderInsights.com
Tiffany & Co (TIF) May Peter W DIR 400,000 $28,671,160
Heinz HJ (HNZ) Peltz Nelson DIR 150,000 $7,751,250
Qualcomm (QCOM) Jacobs Irwin M DIR 95,322 $4,886,416
Fidelity National Financial (FNF) Foley William P II DIR 100,000 $1,560,520
Simon Property Group (SPG) Sterrett Stephen E VP,CFO 6,933 $797,295
Inhibitex (INHX) QVT Associates BO 233,900 $700,965
SEI Investments (SEIC) West Alfred P Jr DIR,BO 45,000 $685,800
Global Traffic Network (GNET) YDE William L III CB,CEO
PR,DIR
45,530 $637,420
Heartland Payment Systems (HPY) Carr Robert O CB,CEO
DIR
26,666 $558,653
Rivus Bond Fund (BDF) MBIA A 28,200 $518,642
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.