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 Tuesday, December 13, 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.

Republic Services (RSG) Cascade Investment BO 500,000 $13,728,250
Nustar Energy L P (NS) Greehey William E DIR 187,000 $9,995,150
Kennedy Wilson (KW) Zax Stanley R DIR 65,000 $689,494
Inergy LP (NRGY) Gautreaux William C PR 20,000 $456,248
Vitesse Semiconductor (VTSS) Martin William C BO 114,300 $274,320
Fluidigm (FLDM) Jones Evan Fa DIR 20,000 $247,782
Esterline Technologies (ESL) George Robert David VP,CFO 3,500 $180,845
Bio Reference Laboratories (BRLI) Dubinett Howard VP,COO
10,000 $142,400
Blount International (BLT) Jenness Calvin E VP,CFO 9,000 $134,280
Public Storage (PSA) Harkham Uri P DIR 1,000 $129,800
Dunkin Brands (DNKN) Bain Capital Investors BO 633,385 $15,659,367
Cedar Fair LP (FUN) Q Funding BO 498,100 $10,936,644
Gartner (IT) Valueact Holdings DIR 291,700 $10,649,967
Simon Property (SPG) Simon Herbert CB,DIR 50,000 $6,188,925
Hunt JB Transport Services (JBHT) Garrison Earl Wayne DIR 100,000 $4,454,000
Leapfrog Enterprises (LF) Milken Michael R BO 300,000 $1,734,000
Stryker (SYK) Stryker Ronda E DIR 18,000 $847,868
Logmein (LOGM) Simon Michael K CEO,PR
20,000 $833,405
Jabil Circuit (JBL) Morean William D DIR 39,550 $810,626
Intermec (IN) Kemper Corp Master Retirement Trust BO 94,819 $683,950

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.

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