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 open-market insider purchases and sales filed at the Securities and Exchange Commission Monday, September 19, 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.

Valhi (VHI) Simmons Harold C CB,DIR
13,659 $742,056
Nustar GP Holdings Llc (NSH) Greehey William E DIR,BO 18,000 $589,673
Lincare Holdings (LNCR) Byrnes John P CB,CEO
25,000 $521,500
Kronos Worldwide (KRO) Simmons Harold C CB,DIR
15,000 $299,489
Forestar Group (FOR) Decosmo James M CEO,PR
17,000 $200,090
NL Industries (NL) Simmons Harold C CB,CEO
15,000 $186,415
Titanium Metals (TIE) Simmons Harold C CB,DIR
10,000 $158,500
XPO Logistics (XPO) Jesselson Michael G DIR 14,000 $140,901 (VITC) Horowitz Jeffrey CEO,DIR 30,000 $136,128
First Citizens Bancshares (FCNCA) Holding Frank B VCB,DIR
812 $127,971
Oasis Petroleum (OAS) Newton H Brett VP 63,000 $1,764,000
Under Armour (UA) Marino Wayne VP 20,000 $1,601,200
Acme Packet (APKT) Ory Robert G SEC,A
30,000 $1,530,175
Mohawk Industries (MHK) Lorberbaum Mark BO 30,000 $1,361,973
Standex International (SXI) Fix Roger L PR,CEO
36,757 $1,343,468
Stryker Corp (SYK) Stryker Ronda E DIR 27,000 $1,312,654
Solera Holdings (SLH) Aquila Tony PR,CEO
20,000 $1,087,392
Starwood Hotel (HOT) Avril Matthew E PR 23,864 $1,073,880 (PCLN) Boyd Jeffery H PR,CEO
2,000 $1,065,837
TAL International (TAL) Sondey Brian PR,CEO
34,400 $982,454

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.