Insiders Trading GHDX, PDH, RPRX

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, May 11, 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.

Autonation (AN) Cascade Investment BO 198,500 6,851,466
Genomic Health (GHDX) Baker Julian DIR,BO 114,888 3,441,717
Infusystem (INFU) Meson Capital Partners DIR 1,066,000 2,398,500
Repros Therapeutics (RPRX) Perceptive Advisors BO 325,000 1,566,097
Merge Healthcare (MRGE) Merrick Ris BO 211,300 591,640
Steel Excel (SXCL) Sph Group BO 19,483 548,863
Herbalife (HLF) Levitt Michael J DIR 10,000 465,900
Opko Health (OPK) Frost Phillip MD et al CEO,CB,BO 100,000 449,684
Signature (SGGH) Schwab Robert DIR 857,500 256,300
Windstream (WIN) Frantz Francis X DIR 25,000 247,850
Source: Insider Insights
Sally Beauty (SBH) CDRS Acquisition BO 22,403,240 593,349,760
Petrologistics (PDH) Propylene BO 33,500,000 569,500,032
Mako Surgical (MAKO) Savarese John DIR 1,256,903 31,714,581
Rackspace Hosting (RAX) Weston Graham M CB,DIR,BO 300,000 15,729,890
Zillow (Z) Barton Richard N CB,DIR,BO 154,100 6,641,603
Philip Morris International (PM) Camilleri Louis C CB,CEO,DIR 70,000 5,994,800
Sally Beauty (SBH) CS&R Parallel Fund BO 148,205 3,925,210
Validus Holdings (VR) Singh Alok DIR 88,000 2,881,613
Camden Property Trust (CPT) Oden D Keith PR,DIR 23,653 1,619,490
Mine Safety Appliances (MSA) Shaw L Edward Jr DIR 27,807 1,196,675
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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