Insider Trading Alert - MPWR, ATSG And EMCI Traded By Insiders

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.

Yesterday, May 18, 2015, 93 U.S. common stocks issued filings of shares being bought or sold by insiders. The transactions ranged in value from $500.00 to $575,784,180.28.

Highlighted Stocks Traded by Insiders:

Monolithic Power Systems (MPWR) - FREE Research Report

Rao Meera, who is Cfo at Monolithic Power Systems, sold 4,142 shares at $54.23 on May 18, 2015. Following this transaction, the Cfo owned 192,978 shares meaning that the stake was reduced by 2.1% with the 4,142-share transaction.

The shares most recently traded at $54.79, up $0.56, or 1.02% since the insider transaction. Historical insider transactions for Monolithic Power Systems go as follows:

  • 4-Week # shares sold: 100,285
  • 12-Week # shares sold: 110,981
  • 24-Week # shares sold: 161,496

The average volume for Monolithic Power Systems has been 354,400 shares per day over the past 30 days. Monolithic Power Systems has a market cap of $2.1 billion and is part of the technology sector and electronics industry. Shares are up 9.17% year-to-date as of the close of trading on Monday.

Monolithic Power Systems, Inc. designs, develops, and markets integrated power semiconductor solutions and power delivery architectures for communications, storage and computing, consumer electronics, and industrial/automotive markets. The stock currently has a dividend yield of 1.51%. The company has a P/E ratio of 60.8. Currently, there are 6 analysts who rate Monolithic Power Systems a buy, no analysts rate it a sell, and 1 rates it a hold.

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

TheStreet Quant Ratings rates Monolithic Power Systems 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, solid stock price performance, expanding profit margins and notable return on equity. We feel its strengths outweigh the fact that the company has had sub par growth in net income. Get the full Monolithic Power Systems Ratings Report from TheStreet Quant Ratings now.

EXCLUSIVE OFFER: See inside Jim Cramer's multi-million dollar charitable trust portfolio to see the stocks he thinks could be potential winners. Click here to see his holdings for 14-days FREE.

Air Transport Services Group (ATSG) - FREE Research Report

Carey James H, who is Director at Air Transport Services Group, sold 2,513 shares at $10.47 on May 18, 2015. Following this transaction, the Director owned 153,829 shares meaning that the stake was reduced by 1.61% with the 2,513-share transaction.

The shares most recently traded at $10.86, up $0.39, or 3.59% since the insider transaction. Historical insider transactions for Air Transport Services Group go as follows:

  • 4-Week # shares sold: 20,081
  • 12-Week # shares sold: 27,581
  • 24-Week # shares sold: 58,981

The average volume for Air Transport Services Group has been 269,100 shares per day over the past 30 days. Air Transport Services Group has a market cap of $697.4 million and is part of the services sector and transportation industry. Shares are up 24.88% year-to-date as of the close of trading on Monday.

Air Transport Services Group, Inc., through its subsidiaries, provides airline operations, aircraft leasing and maintenance, and other support services primarily to the air cargo transportation and package delivery industries in the United States and internationally. The company has a P/E ratio of 20.2. Currently, there are 3 analysts who rate Air Transport Services Group a buy, no analysts rate it a sell, and none rate it a hold.

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

TheStreet Quant Ratings rates Air Transport Services Group as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, solid stock price performance, impressive record of earnings per share growth, compelling growth in net income and reasonable valuation levels. We feel its strengths outweigh the fact that the company shows low profit margins. Get the full Air Transport Services Group Ratings Report from TheStreet Quant Ratings now.

EXCLUSIVE OFFER: See inside Jim Cramer's multi-million dollar charitable trust portfolio to see the stocks he thinks could be potential winners. Click here to see his holdings for 14-days FREE.

EMC Insurance Group (EMCI) - FREE Research Report

Reese Mark E, who is Sr. Vice President & CFO at EMC Insurance Group, sold 397 shares at $34.50 on May 18, 2015. Following this transaction, the Sr. Vice President & CFO owned 13,005 shares meaning that the stake was reduced by 2.96% with the 397-share transaction.

The shares most recently traded at $34.79, up $0.29, or 0.83% since the insider transaction. Historical insider transactions for EMC Insurance Group go as follows:

  • 4-Week # shares sold: 185
  • 12-Week # shares sold: 185
  • 24-Week # shares sold: 1,335

The average volume for EMC Insurance Group has been 12,800 shares per day over the past 30 days. EMC Insurance Group has a market cap of $473.0 million and is part of the financial sector and insurance industry. Shares are down 2.45% year-to-date as of the close of trading on Monday.

EMC Insurance Group Inc., an insurance holding company, provides property and casualty insurance, and reinsurance products in the United States. It operates through two segments, Property and Casualty Insurance, and Reinsurance. The stock currently has a dividend yield of 2.9%. The company has a P/E ratio of 11.8. Currently, there are no analysts who rate EMC Insurance Group a buy, no analysts rate it a sell, and none rate it a hold.

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

TheStreet Quant Ratings rates EMC Insurance Group 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, attractive valuation levels, increase in net income and growth in earnings per share. We feel its strengths outweigh the fact that the company has had somewhat disappointing return on equity. Get the full EMC Insurance Group Ratings Report from TheStreet Quant Ratings now.

EXCLUSIVE OFFER: See inside Jim Cramer's multi-million dollar charitable trust portfolio to see the stocks he thinks could be potential winners. Click here to see his holdings for 14-days FREE.

More from Markets

Apple and GE Switch Roles; Musk's Super Control of Tesla Explained -- ICYMI

Apple and GE Switch Roles; Musk's Super Control of Tesla Explained -- ICYMI

Trump May Be More to Blame For Higher Oil Prices Than OPEC

Trump May Be More to Blame For Higher Oil Prices Than OPEC

Dow Falls Over 200 Points as Apple's Slump Offsets Gains in General Electric

Dow Falls Over 200 Points as Apple's Slump Offsets Gains in General Electric

Week Ahead: Major Earnings on Tap as Wall Street Readies for Geopolitical Moves

Week Ahead: Major Earnings on Tap as Wall Street Readies for Geopolitical Moves

3 Hot Reads From TheStreet's Top Premium Columnists

3 Hot Reads From TheStreet's Top Premium Columnists