Insiders Trading OZM, PRI, POPE, SEM

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 Friday, April 27, 2012 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.

Opko Health (OPK) Frost Phillip MD et al CEO,CB,BO 100,000 482,146
Och Ziff Capital Mgt (OZM) Och Daniel CEO,DIR,BO 31,200 249,528
Pope Resources (POPE) Dahl James H BO 5,001 224,997
Global Indemnity (GBLI) Richmond Hill Investments BO 12,155 220,232
Clearsign Combustion (CLIR) Bell Lon E DIR 50,000 200,000
Sprint Nextel (S) Hesse Daniel PR,CEO,DIR 50,000 119,000
Rambus (RMBS) Bentley J Thomas DIR 20,000 97,900
Arc Wireless Solutions (ARCW) Rini Paul J BO 13,438 46,704
Autonation (AN) Larson Michael DIR 1,000 34,142
First Security (FSGI) Grant William F III DIR 9,325 30,027
Source: Insider Insights
Microsoft (MSFT) Gates William H III DIR 6,500,000 209,162,208
Primerica (PRI) Warburg Pincus PE X DIR,BO 5,736,137 149,999,984
Google (GOOG) Schmidt Eric E CB,DIR 15,000 9,228,755
Select Medical (SEM) Rice Patricia A PR 400,000 3,480,000
DDi (DDIC) Riley Bryant R DIR 227,800 2,953,216
Roper Industries (ROP) Humphrey John VP,CFO 25,000 2,530,000
Cabelas (CAB) Highby Dennis VCB,DIR 57,225 2,323,442
NVR (NVR) Henley Robert W CT 2,023 1,583,159
Lithia Motors (LAD) Lithia Holding Co BO 50,000 1,384,641
Core Laboratories (CLB) Miller Charles Brigham CAO,TR 10,000 1,315,214
Source: Insider Insights

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.

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