By Jonathan Moreland, founder of 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 Monday 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.
Compass Diversified Holdings (CODI) Burns Gordon M O 125,850 $1,774,568
Saul Centers (BFS) Saul B Francis II CEO,DIR,BO 24,000 $1,006,575
Iridium Communications (IRDM) Bok Scott L DIR 50,000 $470,635
Zygo (ZIGO) Mak Capital One LLC BO 57,560 $415,766
City Holding (CHCO) Elliot John R DIR 14,000 $390,501
Georesources (GEOI) Joliat Jay Frederick DIR 28,265 $383,908
Blackrock (BLK) Bank Of America Corp DIR 2,250 $359,631
Cousins Properties (CUZ) Glover S Taylor CB,DIR 50,000 $328,090
Stamps.Com (STMP) Miller Lloyd I III DIR 26,817 $285,601
Cenveo (CVO) Burton Robert G Sr CB,CEO 45,000 $249,660
Microsoft (MSFT) Gates William H III DIR 1,000,000 $24,510,300
Medicis Pharmaceutical (MRX) Shacknai Jonah CEO,DIR 400,000 $10,618,969
Tutor Perini (TPC) Ronald N Tutor Separate Property Trust BO 400,000 $7,924,000
Vornado Realty Trust (VNO) Silverstein Wendy VP 50,000 $4,062,725
Vornado Realty Trust (VNO) Macnow Joseph CFO,VP 40,000 $3,253,248
Qualcomm (QCOM) Jacobs Irwin M DIR 65,000 $2,468,050
Riverbed Technology (RVBD) Mccanne Steven DIR,CTO 75,000 $2,400,597
Yahoo (YHOO) Filo David O 166,500 $2,303,944
Lumber Liquidators (LL) Sullivan Thomas D CB,BO 100,000 $2,121,070
Polo Ralph Lauren (RL) Farah Roger N PR,DIR,COO 22,810 $1,823,393

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.