Insiders Trading YHOO, CBRL, LPLA and OPK

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 open-market insider purchases and sales filed at the Securities and Exchange Commission Thursday, April 12, 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.

Cracker Barrel Old Country Store (CBRL) Biglari Sardar BO 73,100 $4,026,633
Opko Health (OPK) Frost Phillip Md Et Al CEO,CB
100,000 $452,132
Air T (AIRT) AO Partners BO 8,874 $84,351
Valhi (VHI) Simmons Harold C CB,DIR
1,288 $66,010
Hallmark Financial Services (HALL) Detroit Stoker Co O 8,833 $63,221
Methode Electronics (MEI) Tsoumas Ronald L G CT,TR 6,105 $54,198
Neulion (NEUL) Paterson Scott VCB,DIR 221,000 $53,040
Biotime (BTX) Cohen Abraham E DIR 10,000 $41,200
Western Gas Partners Lp (WES) Walker R A DIR 900 $39,497
Angiodynamics (ANGO) Gould Kevin J DIR 2,700 $31,636
Kaiser Aluminum (KALU) Veba For Retirees Of Kaiser Aluminum BO 72,500 $3,486,318
Yahoo (YHOO) Filo David O 168,500 $2,534,308
LPL Investment (LPLA) Brown Stephanie L GC 25,000 $932,600
Genomic Health (GHDX) Scott Randal W CEO,DIR 20,000 $571,871
ABM Industries (ABM) Helms Luke S DIR 20,000 $459,709
Aerovironment (AVAV) Conver Timothy E CB,PR
16,600 $433,260
Western Gas Partners (WES) Chase Anthony R DIR 9,000 $393,013
Boston Beer (SAM) Koch C James CB,DIR
3,000 $307,901
Royal Gold (RGLD) Dempsey Stanley DIR 5,000 $306,550
Leapfrog Enterprises (LF) Mollusk Holdings Llc BO 30,000 $239,100

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.