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 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.
Saratoga Investment (SAR) Oberbeck Christian L CEO,PR,
7,101,976 $10,795,004
Alliance Healthcare Services (AIQ) MTS Health Investors II LP BO 1,186,950 $4,687,312
Chindex International (CHDX) Fosun Industrial Co Ltd BO 253,846 $3,584,235
Guaranty Bancorp (GBNK) Eggemeyer John M III DIR,BO 2,644,963 $3,438,452
Oragenics (ORNI) Koski Family LP BO 5,000,000 $2,000,000
Covance (CVD) Herring Joseph L CB,CEO,
20,000 $778,940
Saratoga Investment (SAR) Petrocelli Richard A CFO,DIR,
328,947 $499,999
QLT (QLTI) Axial Capital Management LLC BO 37,226 $212,933
General Dynamics (GD) Osborn William A DIR 3,000 $186,690
Rockwell Medical Tech (RMTI) Hagelstein David A BO 34,000 $186,540
Morgan Stanley (MS) China Investment Corp BO 3,340,000 $90,514,000
Crown Castle International (CCI) Spo Advisory Corp BO 1,008,200 $39,844,064
Wynn Resorts Ltd (WYNN) Wynn Elaine P DIR 147,383 $13,132,604
Isilon Systems (ISLN) Atlas Venture Fund V LP BO 444,700 $7,973,306
MSC Industrial Direct (MSM) Jacobson Mitchell DIR,BO 100,000 $5,044,729
Guaranty Bancorp (GBNK) Eggemeyer John M III DIR,BO 2,644,963 $3,438,452
BJs Restaurants (BJRI) Tilley William H BO 131,060 $3,367,057
Extra Space Storage (EXR) Woolley Kenneth M DIR 200,000 $3,150,000
EMC (EMC) Egan John R DIR 150,000 $3,061,365
Abbott Laboratories (ABT) Linder Greg W VP 30,000 $1,491,169

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.