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Top Insider Trades 4/22/14: SFLY, YELP, WIW, OPK

|Includes:OPK, Shutterfly, Inc. (SFLY), WIW, YELP

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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 Tuesday, April 22, 2014 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
Flynn James E BO Trivascular Tech TRIV JB* $12,786,924
Cascade Inv BO Wac Inf-linked Opp WIW B,JB* $1,105,978
Frost Phillip Md CEO,CB,BO Opko Health OPK B $832,220
Richison Chad R CEO,DIR,BO Paycom Software PAYC JB* $789,000
Ressler Antony P PR Ares Multi Str Cr Fd ARMF B $628,676
Marubeni DIR,BO Aircastle AYR B $556,956
Cim Svc Provider BO Pmc Comml Tr Tx PMCT AB $211,636
McAdoo Zachary CB,PR,DIR Radioio RDIO JB* $100,000
Lawal Kase L CB,CEO Camac Energy CAK AB $96,915
Peters Frederick DIR Paycom Software PAYC JB* $75,000
Click to enlarge

Source: | Key to Insider Title and Trans Type Codes

Insider Sales
Filer Name Insider Titles Company Name Ticker Trans
Dollar Value
Ip Fibre Devices BO Ipg Photonics IPGP AS $3,805,703
Levenson Robert J DIR Paycom Software PAYC JS* $2,280,000
Levy Richard VP,CT Wells Fargo WFC S $2,206,800
Housenbold Jeffrey CEO,DIR Shutterfly SFLY AS $1,685,843
Krolik Robert J CFO YELP YELP AS $1,146,801
Tilghman Shirley M DIR Google GOOG S $1,065,951
S&R Tech BO Sucampo Pharm SCMP AS $866,469
Carmichael Greg PR,COO Fifth Third Bancorp FITB S $832,900
Dailly Paul A VP Kosmos Energy KOS AS $763,059
Teague Alex M VP Limoneira LMNR AS $677,510
Click to enlarge

Source: | Key to Insider Title and Trans Type Codes