United Guardian Inc insider trading

Does following United Guardian Inc’s insiders pay?

From June 1, 2010 to August 16, 2016, 3 insiders reported 0 open-market purchases and 18 sales not made under a pre-set plan in United Guardian Inc. After sales, the shares moved −2.0% against the index over 12 months (a negative figure means selling was the right call).

Moves are the shares’ return including dividends minus the S&P 500’s, from the close on the first trading day after each report; the number of trades with a finished 12-month window is in brackets. Green means the trade went the insider’s way (a purchase ahead of the index, a sale followed by the shares trailing it). A trade reported both by a director or officer and by a fund or company they are linked to counts once here, under the person. Purchases count only where the share price actually traded was at least $5. These figures describe what the shares did, not why anyone traded. Insiders across all companies.