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 Crame.

Yesterday, March 4, 2015, 133 U.S. common stocks issued filings of shares being bought or sold by insiders. The transactions ranged in value from $62.50 to $191,397,755.25.

Highlighted Stocks Traded by Insiders:

NRG Energy (NRG) - FREE Research Report

Crane David W, who is President & CEO at NRG Energy, bought 5,000 shares at $23.39 on March 4, 2015. Following this transaction, the President & CEO owned 1.1 million shares meaning that the stake was boosted by 0.46% with the 5,000-share transaction.

The shares most recently traded at $24.78, up $1.39, or 5.61% since the insider transaction. Historical insider transactions for NRG Energy go as follows:

  • 4-Week # shares bought: 5,000
  • 4-Week # shares sold: 6,918
  • 12-Week # shares bought: 5,000
  • 12-Week # shares sold: 6,918
  • 24-Week # shares bought: 5,000
  • 24-Week # shares sold: 6,918

The average volume for NRG Energy has been 4.3 million shares per day over the past 30 days. NRG Energy has a market cap of $8.2 billion and is part of the utilities sector and utilities industry. Shares are down 9.5% year-to-date as of the close of trading on Wednesday.

NRG Energy, Inc., together with its subsidiaries, operates as a power and energy company. The company is engaged in the ownership and operation of power generation facilities. The stock currently has a dividend yield of 2.4%. The company has a P/E ratio of 105.0. Currently, there are 7 analysts who rate NRG Energy a buy, no analysts rate it a sell, and none rate it a hold.

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

TheStreet Quant Ratings rates NRG Energy as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, impressive record of earnings per share growth and compelling growth in net income. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself, generally higher debt management risk and weak operating cash flow. Get the full NRG 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.

Standard Motor Products (SMP) - FREE Research Report

Burks Dale, who is VP Global Sales & Marketing at Standard Motor Products, sold 2,000 shares at $42.27 on March 4, 2015. Following this transaction, the VP Global Sales & Marketing owned 37,496 shares meaning that the stake was reduced by 5.06% with the 2,000-share transaction.

The shares most recently traded at $40.98, down $1.29, or 3.15% since the insider transaction. Historical insider transactions for Standard Motor Products go as follows:

  • 4-Week # shares sold: 800
  • 12-Week # shares sold: 800
  • 24-Week # shares sold: 5,884

The average volume for Standard Motor Products has been 68,500 shares per day over the past 30 days. Standard Motor Products has a market cap of $967.5 million and is part of the consumer goods sector and automotive industry. Shares are up 7.79% year-to-date as of the close of trading on Wednesday.

Standard Motor Products, Inc. manufactures and distributes replacement parts for motor vehicles in the automotive aftermarket industry. The company operates in two segments, Engine Management and Temperature Control. The stock currently has a dividend yield of 1.42%. The company has a P/E ratio of 18.5. Currently, there are no analysts who rate Standard Motor Products a buy, no analysts rate it a sell, and 3 rate it a hold.

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

TheStreet Quant Ratings rates Standard Motor Products as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, increase in net income, growth in earnings per share, largely solid financial position with reasonable debt levels by most measures and reasonable valuation levels. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full Standard Motor 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.

Cyberonics (CYBX) - FREE Research Report

Browne Gregory H, who is SR VP Finance & CFO at Cyberonics, sold 2,000 shares at $69.30 on March 4, 2015. Following this transaction, the SR VP Finance & CFO owned 55,716 shares meaning that the stake was reduced by 3.47% with the 2,000-share transaction.

The shares most recently traded at $72.12, up $2.82, or 3.91% since the insider transaction. Historical insider transactions for Cyberonics go as follows:

  • 4-Week # shares sold: 4,500
  • 12-Week # shares sold: 11,471
  • 24-Week # shares sold: 33,365

The average volume for Cyberonics has been 522,200 shares per day over the past 30 days. Cyberonics has a market cap of $1.8 billion and is part of the health care sector and health services industry. Shares are up 27.86% year-to-date as of the close of trading on Wednesday.

Cyberonics, Inc., together with its subsidiaries, designs, develops, markets, and sells implantable medical devices to hospitals and ambulatory surgery centers. The company has a P/E ratio of 28.5. Currently, there are 4 analysts who rate Cyberonics a buy, no analysts rate it a sell, and 3 rate it a hold.

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

TheStreet Quant Ratings rates Cyberonics as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures, notable return on equity, expanding profit margins and good cash flow from operations. We feel these strengths outweigh the fact that the company has had lackluster performance in the stock itself. Get the full Cyberonics 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.

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