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, Sept. 9, 2013, 121 U.S. common stocks issued filings of shares being bought or sold by insiders. The transactions ranged in value from $226.97 to $156,248,500.00. Highlighted Stocks Traded by Insiders: Alliant Techsystems (ATK) - FREE Research Report Martinez Roman Iv who is Director at Alliant Techsystems sold 100 shares at $96.47 on Sept. 9, 2013. Following this transaction, the Director owned 0 shares meaning that the stake was reduced by 100% with the 100 share transaction. The shares most recently traded at $97.20, up $0.73, or 0.75% since the insider transaction. The average volume for Alliant Techsystems has been 340,000 shares per day over the past 30 days. Alliant Techsystems has a market cap of $3.1 billion and is part of the industrial goods sector and aerospace/defense industry. Shares are up 54.7% year to date as of the close of trading on Monday. Alliant Techsystems Inc. engages in the provision of aerospace, defense, and commercial products to the U.S. government, allied nations, and prime contractors. The company also supplies ammunition and related accessories to law enforcement agencies and commercial customers. The stock currently has a dividend yield of 1.08%. The company has a P/E ratio of 11.4. Currently there are 3 analysts that rate Alliant Techsystems a buy, 1 analyst rates it a sell, and 8 rate it a hold. Exclusive Offer: Get the latest Stock Analysis on ATK - FREE TheStreet Quant Ratings rates Alliant Techsystems as a buy. The company's strengths can be seen in multiple areas, such as its solid stock price performance, largely solid financial position with reasonable debt levels by most measures, attractive valuation levels, growth in earnings per share and good cash flow from operations. We feel these strengths outweigh the fact that the company shows low profit margins. Get the full Alliant Techsystems 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.