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! 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.

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Company Name (Ticker) Filer Name Title(s) Shares Bought Dollar Value Helix Energy Solutions (HLX) Kratz Owen E CEO,PR, DIR 101,250 $1,001,212 Global LP (GLP) Global Gp LLC DIR,PT 20,646 $382,055 Pier 1 Imports (PIR) Konstantinu Maria BO 142,550 $270,400 Tessco Technologies (TESS) Discovery Group I LLC BO 9,500 $101,529 Sterling Construction (STRL) Allen James H Jr CFO,VP 5,000 $66,250 Blackrock Defined Opp Credit Tr (BHL) Keenan James O 4,500 $46,288 School Specialty (SCHS) Emma Edward C DIR 1,000 $19,566 Response Genetics (RGDX) Marxe Austin W & Greenhouse David M BO 15,100 $18,033 International Monetary Sys (INLM) Van Dyn Hoven Gerald George DIR 95,600 $14,614 XCEL Energy (XEL) Westerlund David A DIR 560 $10,007

Company Name (Ticker) Filer Name Title(s) Shares Sold Dollar Value GMX Resources (GMXR) Seldin Peter K BO 300,000 $3,397,798 Arcsight (ARST) Ramsey Craig DIR 197,000 $3,351,450 Aarons (AAN) Loudermilk R Charles Sr CB,DIR, BO 63,211 $1,947,419 Blue Coat Systems (BCSI) Nesmith Brian M CEO,PR, DIR 65,200 $1,037,345 Omnivision Technologies (OVTI) He Xinping DIR,COO 18,179 $201,787 Sterling Construction (STRL) Manning Patrick T CEO,DIR 7,500 $97,425 Map Pharmaceuticals (MAPP) Firstmark Capital LLC O 5,508 $61,534 Force Protection (FRPT) Thompson Roger Gray Jr DIR 3,500 $28,420 Semtech (SMTC) Chukwu Emeka CFO,VP 1,500 $23,683 Archsight (ARST) Von Simson Ernest DIR 1,286 $21,701

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