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 Wednesday 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.

Adaptec (ADPT) Steel Partners II LP BO 907,500 $2,824,879
Weatherford Intl (WFT) Macaulay William E DIR 100,000 $1,633,000
Cathay General Bancorp (CATY) Wu Peter VCB,DIR,COO 50,000 $395,000
Campbell Soup (CPB) Owens B Craig VP 10,000 $354,379
Orexigen Therapeutics (OREX) Domain Parters Vii L P BO 49,161 $331,837
Voyager Learning (VLCY.PK) Klausner Ronald D PR 50,000 $225,520
China Cord Blood (CNDZF) Mccarthy Kent C BO,BO 36,700 $224,307
America Service (ASGR) Keldie Carl J O 12,000 $174,004
Optimer Pharmaceuticals (OPTR) Chang Michael N CEO,PR,DIR 15,000 $172,740
MBIA (MBI) Brown Joseph W CB,CEO,DIR 50,000 $172,500
NBTY (NTY) Rudolph Scott CB,CEO,DIR 494,400 $20,970,096
Assured Guaranty (AGO) Ace Ltd BO 837,204 $19,724,486
Goldman Sachs (GS) Evans J Michael VCB 70,000 $12,021,110
Brown Forman (BFA) Bond Ina Brown BO 210,985 $10,833,869
Genzyme (GENZ) Termeer Henri A CB,CEO,PR,DIR 200,000 $10,094,000
Crown Castle Intl (CCI) Abrams David C DIR 256,236 $9,667,236
Cognizant Technology (CTSH) Dsouza Francisco CEO,PR,DIR 175,440 $7,820,298
Masco Corp (MAS) Manoogian Richard A DIR 500,000 $7,128,552
Lowes Companies (LOW) Niblock Robert A CB,CEO,DIR 292,912 $6,451,270
Netapp (NTAP) Allen Jeffry R DIR 20,000 $6,113,800

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, 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.
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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