The All-In-One Screener can be used to find insider buys and sales over the last week by clicking on the Insiders tab and changing the settings for All Insider Buying/All Insider Selling to “$1,000,000+” and duration to “December 2015.” On Dec. 10, Robert Rowling, a 10% owner of Northern Oil & Gas Inc. , bought 1,344,401 shares in the company at the price of $4.08 per share and a total cost of $5,485,160.

The All-In-One Screener can be used to find insider buys and sales over the last week by clicking on the Insiders tab and changing the settings for All Insider Buying/All Insider Selling to “$1,000,000+” and duration to “December 2015.” On Dec. 10, Robert Rowling, a 10% owner of Northern Oil & Gas Inc. , bought 1,344,401 shares in the company at the price of $4.08 per share and a total cost of $5,485,160.