By Jonathan Moreland, founder of Insider Insights 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 mainly open-market insider purchases and sales filed at the Securities and Exchange Commission Monday, June 20, 2011 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.

Equity One (EQY) Katzman Chaim CB,DIR
289,232 $5,168,750
Texas Industries (TXI) Longleaf Partners BO 125,912 $4,690,792
ADPT (ADPT) SPH Group BO 1,196,600 $3,569,268
Pandora Media (P) McCarthy Barry DIR 88,085 $1,148,628
Helix Energy (HLX) Kratz Owen E PR,CEO
67,000 $998,491
Breeze Eastern (BZC) Wynnefield Partners Small Cap Value BO 102,278 $951,185
Overseas Shipholding (OSG) Recanati Yudith Yovel BO 25,000 $665,033
Donegal Group (DGICA) Shepard Gregory M BO 21,185 $268,208
Hersha Hospitality Trust (HT) Hutchison Thomas J Iii DIR 50,000 $263,750
Opko Health (OPK) Frost Phillip Md CEO,CB
50,000 $165,080
Universal Insurance (UVE) Meier Bradley I DIR,BO 375,000 $1,725,000
Neurogesx (NGSX) Breen Doron BO 399,002 $1,253,278
Cinemark (CNK) Copple Robert CFO 45,000 $902,250
AMN Healthcare (AHS) Goldman Sachs Group BO 77,630 $649,921
OpenTable (OPEN) Jordan Jeffrey D DIR 7,000 $546,089
Oasis Petroleum (OAS) Lou Michael H VP,FO 20,000 $533,600
Natures Sunshine Products (NATR) Delta Partners BO 26,060 $391,192
Apartment Investment & Mgt (AIV) Cohn Lisa R VP 9,500 $241,304
Dennys (DENN) Rodriguez Robert VP,COO 48,875 $188,169
Iris International (IRIS) Adams Thomas Phd CTO,VP 20,000 $184,256

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.