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By Jonathan Moreland, founder of Insider Insights and author of Profit From Legal Insider Trading.

NEW YORK (TheStreet) -- Which stocks are getting attention from insiders?

In a victory for common sense, tracking the trading behavior of company executives, directors and large shareholders in the stocks of companies at which they're registered as "insiders" has proven to be profitable, according to 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 Wednesday, Jan. 8, 2014 as ranked by dollar value.

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, and, frankly, often not even the most important metric that determines if an insider transaction is significant.

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At InsiderInsights.com, 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 us with any questions on our proprietary insider data, and how it is best analyzed.

<p>#:</p><p>Filer Name</p><p>Insider Titles</p><p>Company Name</p><p>Ticker</p><p>Trans<br>Type</p><p>Dollar Value</p>

1

Marubeni

DIR,BO

Aircastle

AYR

B

$558,831

2

RGM Capital

BO

Accelrys

ACCL

B

$153,577

3

Frost Phillip Md

CEO,CB,BO

Opko Health

OPK

B

$118,523

4

Schreyer Leslie J

BO

Amtech Systems

ASYS

B

$98,887

5

Goldberg David

VP

Am Homes 4 Rent

AMH

JB*

$97,916

6

Paganelli John A

DIR

Opko Health

OPK

B

$84,472

7

Sokol David L

BO

Middleburg Finl

MBRG

B

$35,946

8

Garcia Gilbert A

DIR

Sanchez Energy

SN

B

$24,440

9

Pickup Todd M

BO

Impac Mortgage

IMH

B

$20,172

10

Adelman Robert

TT

N Euro Oil Rlty Tr

NRT

JB*

$19,551

Source: InsiderInsights.com | Key to Insider Title and Trans Type Codes

<p>#:</p><p>Filer Name</p><p>Insider Titles</p><p>Company Name</p><p>Ticker</p><p>Trans<br>Type</p><p>Dollar Value</p>

1

Duffield David A

CEO,DIR,BO

Workday

WDAY

AS

$14,547,141

2

Singleton Group

BO

Kemper

KMPR

S

$12,860,500

3

Luddy Frederic B

DIR

Servicenow

NOW

AS

$6,344,694

4

Fateh Hossein

CEO,DIR

Dupont Fabros

DFT

AS

$4,484,287

5

Lynch Thomas J

CB,CEO

Te Connectivity

TEL

AS

$2,664,777

6

Reed Debra L

CB,CEO

Sempra Energy

SRE

AS

$2,415,957

7

Snell Mark A

PR

Sempra Energy

SRE

AS

$2,190,157

8

McConnell Hugh

VP,CFO

Dxp Enterprises

DXPE

AS

$2,156,100

9

Nada Hany

DIR

Glu Mobile

GLUU

AS

$2,074,760

10

Abiteboul Jean

VP

Cheniere Energy

LNG

S

$1,812,808

Source: InsiderInsights.com | Key to Insider Title and Trans Type Codes