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Top Insider Trades: SPB, PBI, GNRC, VOCS

Stocks in this article: SPBPBIGNRCVOCS

By Jonathan Moreland, founder of Insider Insights and author of Profit From Legal Insider Trading.

NEW YORK ( TheStreet) -- It is a victory for common sense. Tracking the trading behavior of company executives, directors and large shareholders in the stocks of firms they're registered in as "insiders" has proven to be profitable, according to both academic studies and (more importantly) the experience of professional investors.

Below are lists of the top 10 mainly open-market insider purchases and sales filed at the Securities and Exchange Commission Wednesday, May 8, 2013 as ranked by dollar value. Please note, however, that these are only factual lists, not buy and sell recommendations. Dollar value is only one metric to assess the importance of an insider transaction, and, frankly, often not even the most important metric that determines if an insider transaction is significant.

At InsiderInsights.com, we find new investment ideas just about every day using these and more intricate insider screens to determine where we should focus our subsequent fundamental and technical analysis. And while stocks don't (or shouldn't) move up or down based on insider activity alone, insiders tend to be good indicators of when real stock-moving events like earnings surprises, corporate actions, and new products may be in the offing.

So use these regular Top Insider Trades columns as the initial research tools they are meant to be, and click the links in the tables to analyze a company's or insider's full insider history. Also feel free to contact us with any questions on our proprietary insider data, and how it is best analyzed.

Spectrum (SPB) Harbinger BO 42,600 2,423,526
Pitney Bowes (PBI) Lautenbach Marc PR,CEO 66,000 1,013,621
Ambassadors (EPAX) Kamin Peter H DIR 253,535 853,986
Vocus
(VOCS)
Okumus OV Fd BO 62,803 524,405
Calamos (CLMS) Calamos John P CB,CEO,BO 38,436 420,058
Insys Thera (INSY) Fourteau Patrick DIR 50,000 418,125
Retail Opp Inv (ROIC) Meyer Edward H DIR 20,000 310,000
Walter Energy (WLT) Leonard Joseph B DIR 16,700 296,091
Boston Sci (BSX) Mario Ernest DIR 30,000 232,800
Mueller Water (MWA) Leonard Joseph B DIR 29,000 202,245
Source: Insider Insights
Generac (GNRC) Ccmp Capital BO 18,000,000 658,800,000
Calpine (CPN) Spo Advisory BO 16,000,000 330,080,000
Northern (NTI) No Tier DIR,BO 12,000,000 302,745,600
PVH (PVH) Gehring Fred CEO,DIR 122,716 14,255,634
Epl Oil (EPL) Wexford Capital BO 362,076 12,289,155
Epl Oil (EPL) Carlson Capital DIR 295,000 10,035,594
LT Fit (LTM) Akradi Bahram CB,PR,CEO 192,368 9,294,016
Facebook (FB) Sandberg Sheryl COO,DIR 176,452 4,808,062
Parexel (PRXL) Von Rickenbach CB,CEO,DIR 100,000 4,424,720
Tal Intl (TAL) Sondey Brian CB,PR,CEO 90,000 3,625,322
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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