Are you looking for high yield dividend stocks? The payout can be extremely attractive, but how do you know if you're buying into a reliable company? One great sentiment indicator for stocks comes from company insiders. [More Investing Ideas for Dividend Stocks: Target Rock Advisors Update List of Sustainable Utility Leaders] Using these ideas we created a list of high yield dividend stocks with significant net purchases from company insiders over the past six months. Many analysts follow insider buying trends because, after all, insiders know more about their companies than anyone else. Their investment activity is closely monitored and can tell us a lot about where they feel the business is heading. Insider buying is represented as a percentage of the share float. Companies experiencing insider buying over the past six months provide an indicator that insiders think the stock is undervalued at current levels. Inversely, insider selling serves as a negative indicator. Seven stocks with yields above 3% made the cut. They are listed in detail below.Interactive Chart: Press "play" to see the changes in dividend yield over the past two years for the stocks below:Business Section: Investing Ideas Below is a list of stocks paying a high dividend yield that are also seeing insider purchases over the past six months. Do you agree with these insiders’ optimism? Use this list as a starting point for your own analysis. List Average 1-Year Return: 10%.1. NuStar GP Holdings, LLC ( NSH): Engages in the terminalling and storage of petroleum products, transportation of petroleum products and anhydrous ammonia, and marketing of asphalt and fuels. Market cap at $1.37B, most recent closing price at $32.18. Over the last six months, insiders were net buyers of 393,000 shares, which represents about 1.14% of the company's 34.34M share float.