Please Note: Blog posts are not selected, edited or screened by Seeking Alpha editors.

Top Insider Trades 8/23/13: TSRA, NHF, FES, VRX

|Includes: FES, NHF, VRX, Xperi Corporation (XPER)

Daily Top Insider Trades Instablog

  • Did you know? You could have seen the trades below within hours of being filed. If you want more Top Trades emailed 4 times a day, sign up for our Free Intra-Day Top Trades Alerts.

In a victory for common sense, the trading behavior of company executives, directors, and large shareholders in the stocks of firms they're registered "insiders" at have been proven profitable to monitor by both academic studies and (more importantly) the experience of professional investors.

Below are lists of the top 10 mainly open-market insider purchases and sales filed at the Securities and Exchange Commission Friday, August 23, 2013 as ranked by dollar value.

Please note, however, that these are factual lists (with edits to remove some noise), not buy and sell recommendations. Dollar value is only one metric to assess the importance of an insider transaction, and, frankly, often not even the most important metric that determines if an insider transaction is significant.

We should also point out that we are presently in a slow filing time for insiders because many companies still have their trading windows closed to their executives until their June quarter earnings are released.

But at, we find new investment ideas just about every day using these and more intricate insider screens to determine where we should focus our subsequent fundamental and technical analysis. And while stocks don't (or shouldn't) move up or down based on insider activity alone, insiders tend to be good indicators of when real stock-moving events like earnings surprises, corporate actions, and new products may be in the offing.

So use these regular blog posts as the initial research tools they are meant to be, and click the links in the tables to analyze a company's or insider's full insider history. Also feel free to email with any questions on our proprietary insider data, and how it is best analyzed.

Insider Purchases
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Feld Peter A DIR Tessera Tech TSRA B $3,303,600
Dondero James D O Nexpoint Cr St Fd NHF JB* $1,237,561
Steel Excel BO Forbes Energy FES B $1,009,981
Marubeni DIR,BO Aircastle AYR B $917,583
Chai Onn Robert VP,GC,SEC Valeant Pharm Intl VRX B $499,673
Crocker Charles DIR Imageware Sys IWSY JB* $460,000
Hawaux Andre J VP,FO,CFO Dicks Sporting DKS B $302,400
Dominski Matthew DIR First Industrial RT FR B $119,211
Chase Anthony R DIR Sarepta SRPT B $114,373
Pickup Richard H BO Impac Mortgage IMH B $95,310

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Barton Richard N CB,DIR,BO Zillow Z JS* $30,750,000
Frink Lloyd D VCB,PR,BO Zillow Z JS* $30,750,000
Deer Vi & Co DIR YELP YELP S $26,247,836
Morris Ian H PR Trulia TRLA S $3,693,363
Rosenfeld Eric DIR Primoris Services PRIM S,JS* $1,829,820
Scheer David DIR Aegerion Pharm AEGR S $1,691,638
Stephenson Gordon DIR Zillow Z JS* $1,435,000
McMillon C Douglas VP Wal Mart Stores WMT S $1,225,708
Matthews Norman DIR Henry Schein HSIC S $1,024,054
Majoras Deborah P LO,SEC Procter & Gamble PG S $993,083

Source: | Key to Insider Title and Trans Type Codes