IBM V.P. Sells $1.6 Million Worth of Stock

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 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!

Dollar value is only one metric to assess the importance of an insider transaction, however. For more value-added tables on a weekly basis, and fundamentally researched investment ideas inspired by insiders, subscribe to TheStreet.com's InsiderInsights newsletter. Whether you're a growth, value, income, momentum, or microcap investor, insider data can help you find great investment ideas.

Also check out Stockpickr's weekly "Top Stocks With Insider Buying, Buybacks."

Company Name (Ticker) Filer Name Title(s) Shares Bought Dollar Value Bristol Myers Squibb (BMY) Huet Jean-marc CFO,VP 25,000 $481,250 Bristol Myers Squibb (BMY) Sigal Elliot PR,VP 15,000 $287,700 Cepheid (CPHD) Kepner Cristina DIR 25,000 $251,325 DDI (DDIC) Miller Lloyd I III BO 24,700 $83,980 Pinnacle Financial Partners (PNFP) Mccabe Robert A Jr CB,DIR 2,500 $45,771 Community Bank System (CBU) Wilson James A DIR 1,500 $24,360 Power One (PWER) Bishop Kendall R DIR 20,000 $24,200 Dyax (DYAX) Wood Clive VP 10,000 $20,665 Sunair Services (SNR) Brauser Michael O 10,000 $19,000 First Defiance Financial (FDEF) Burgei Douglas A DIR 1,500 $16,335

Company Name (Ticker) Filer Name Title(s) Shares Sold Dollar Value Calpine (CPN) Harbinger Capital Partners Master Fund I Ltd BO 20,000,000 $158,000,000 Valmont Industries (VMI) Mcclain Terry J CFO,VP 35,000 $2,204,208 Marriott International (MAR) Marriott David S BO,BO 83,600 $1,860,100 International Business Machines (IBM) Iwata Jon C VP 15,608 $1,634,240 Synnex (SNX) Miau Matthew DIR 52,134 $1,042,894 Ultratech (UTEK) Zafiropoulo Arthur W CB,CEO, DIR 71,600 $958,617 Gap (GPS) Fisher Robert J DIR,BO 61,585 $937,237 Manpower (MAN) Walter John R DIR 20,000 $839,570 Vical (VICL) V-sciences Investments Pte Ltd BO 322,410 $784,761 Ambassadors Group (EPAX) Ueberroth Joseph DIR 64,768 $698,000

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.

Source: InsiderInsights.com