Editor's note: Only three purchases to report.

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 Tuesday 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.

Stewart Information Svs (STC) Smith Edgar Ashley VP,LO 1,600 $16,640
MDU Communications (MDTV) Newman Richard DIR 5,000 $2,200
Blackrock Defined Opp Credit Tr (BHL) Marshall Adrian C O 48 $558
Carnival Plc (CUK) Artsfare 2006 Trust No 2 BO 257,142 $8,474,243
Worthington Industries (WOR) Mcconnell John Poh CB,CEO,
450,000 $6,175,119
Carnival (CCL) Nickel Continued Irrevocable Trust BO 127,473 $4,201,204
SBA Communications (SBAC) Stoops Jeffrey CEO,DIR 134,056 $3,754,909
Och-Ziff Capital Mgt (OZM) Blockinger Jeffrey C LO 130,189 $1,635,348
Bway Holding (BWY) Valueact Smallcap Mgt LP BO 60,000 $1,176,600
Boston Scientific (BSX) Nicholas Peter M DIR 100,000 $1,031,080
Discover Financial Svs (DFS) Talwar Harit VP 60,000 $989,400
Virtual Radiologic (VRAD) Casey Sean BO 44,100 $591,030
Lumber Liquidators (LL) Sullivan Thomas D CB,DIR,
25,000 $559,563
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.