Editor's Note: Any reference to TheStreet Ratings and its underlying recommendation does not reflect the opinion of TheStreet, Inc. or any of its contributors including Jim Cramer or Stephanie Link.

Yesterday, May 28, 2014, 121 U.S. common stocks issued filings of shares being bought or sold by insiders. The transactions ranged in value from $341.00 to $1,468,820,910.70.

Highlighted Stocks Traded by Insiders:

DexCom (DXCM) - FREE Research Report

Doubleday Richard, who is Sr. VP. Worldwide Sales at DexCom, sold 18,750 shares at $32.89 on May 28, 2014. Following this transaction, the Sr. VP. Worldwide Sales owned 128,773 shares meaning that the stake was reduced by 12.71% with the 18,750-share transaction.

The shares most recently traded at $34.37, up $1.48, or 4.32% since the insider transaction. Historical insider transactions for DexCom go as follows:

  • 4-Week # shares sold: 1,750
  • 12-Week # shares sold: 39,389
  • 24-Week # shares sold: 50,710

The average volume for DexCom has been 1.0 million shares per day over the past 30 days. DexCom has a market cap of $2.6 billion and is part of the health care sector and health services industry. Shares are down 3.47% year-to-date as of the close of trading on Wednesday.

DexCom, Inc., a medical device company, focuses on the design, development, and commercialization of continuous glucose monitoring systems. Currently, there are 9 analysts who rate DexCom a buy, 1 analyst rates it a sell, and 3 rate it a hold.

Exclusive Offer: Get the latest Stock Analysis on DXCM - FREE

TheStreet Quant Ratings

rates DexCom as a

sell

. Among the areas we feel are negative, one of the most important has been unimpressive growth in net income over time. Get the full

DexCom Ratings Report

from

TheStreet Quant Ratings

now.

STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.

Sanchez Energy (SN) - FREE Research Report

Hink Kirsten A, who is V.P. & Principal Acct. Officer at Sanchez Energy, sold 1,104 shares at $31.74 on May 28, 2014. Following this transaction, the V.P. & Principal Acct. Officer owned 33,000 shares meaning that the stake was reduced by 3.24% with the 1,104-share transaction.

The shares most recently traded at $34.86, up $3.12, or 8.95% since the insider transaction. Historical insider transactions for Sanchez Energy go as follows:

  • 4-Week # shares bought: 1,000
  • 4-Week # shares sold: 1,105
  • 12-Week # shares bought: 1,000
  • 12-Week # shares sold: 1,105
  • 24-Week # shares bought: 1,000
  • 24-Week # shares sold: 12,273

The average volume for Sanchez Energy has been 1.0 million shares per day over the past 30 days. Sanchez Energy has a market cap of $1.7 billion and is part of the basic materials sector and energy industry. Shares are up 38.31% year-to-date as of the close of trading on Wednesday.

Sanchez Energy Corporation, an independent exploration and production company, focuses on the acquisition, exploration, and development of unconventional oil and natural gas resources in the onshore U.S. Gulf Coast. Currently, there are 11 analysts who rate Sanchez Energy a buy, no analysts rate it a sell, and 1 rates it a hold.

Exclusive Offer: Get the latest Stock Analysis on SN - FREE

TheStreet Quant Ratings

rates Sanchez Energy as a

buy

. The company's strengths can be seen in multiple areas, such as its robust revenue growth, solid stock price performance, compelling growth in net income and expanding profit margins. Although the company may harbor some minor weaknesses, we feel they are unlikely to have a significant impact on results. Get the full

Sanchez Energy Ratings Report

from

TheStreet Quant Ratings

now.

STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.

Dorman Products (DORM) - FREE Research Report

Kealey Michael, who is SVP, Product at Dorman Products, sold 1,355 shares at $55.00 on May 28, 2014. Following this transaction, the SVP, Product owned 15,500 shares meaning that the stake was reduced by 8.04% with the 1,355-share transaction.

The shares most recently traded at $54.41, down $0.59, or 1.08% since the insider transaction. Historical insider transactions for Dorman Products go as follows:

  • 4-Week # shares sold: 2,000
  • 12-Week # shares sold: 7,000
  • 24-Week # shares sold: 7,000

The average volume for Dorman Products has been 287,600 shares per day over the past 30 days. Dorman Products has a market cap of $2.0 billion and is part of the consumer goods sector and automotive industry. Shares are down 1.27% year-to-date as of the close of trading on Wednesday.

Dorman Products, Inc. supplies automotive replacement parts, automotive hardware, brake products, and household hardware to the automotive aftermarket and mass merchandise markets. The company has a P/E ratio of 23.4. Currently, there are 4 analysts who rate Dorman Products a buy, 1 analyst rates it a sell, and none rate it a hold.

Exclusive Offer: Get the latest Stock Analysis on DORM - FREE

TheStreet Quant Ratings

rates Dorman Products as a

buy

. The company's strengths can be seen in multiple areas, such as its robust revenue growth, largely solid financial position with reasonable debt levels by most measures, impressive record of earnings per share growth, compelling growth in net income and solid stock price performance. We feel these strengths outweigh the fact that the company is trading at a premium valuation based on our review of its current price compared to such things as earnings and book value. Get the full

Dorman Products Ratings Report

from

TheStreet Quant Ratings

now.

STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more.

null