In trading on Thursday, shares of Sterling Bancorp (STL - Get Report) touched a new 52-week high of $15.36/share. That's a 23.27% rise, or $2.9 per share from the 52-week low of $12.46 set back on 10/10/2014. That means at today's intraday high, any investor who purchased STL stock any time over the past 52 weeks has an unrealized gain, including company insiders.

Over the past six months, insiders have been scooping up shares, and those bets are now paying off handsomely. As summarized by the table below, STL has seen 5 different instances of insiders buying over the trailing six month period.

Ten Bargains You Can Buy Cheaper Than The Insiders Did »

Purchased Insider Title Shares Price/Share Value
05/04/2015 Richard L. O'toole Director 3,000 $13.01 $39,021.00
08/07/2015 Robert Abrams Director 1,200 $14.66 $17,592.00
08/25/2015 Jack L. Kopnisky President & CEO 14,461 $13.47 $194,789.67
08/25/2015 James P. Blose General Counsel and CLO 1,000 $13.58 $13,580.00
08/26/2015 Michael E. Finn Chief Risk Officer 4,000 $13.48 $53,920.00
09/10/2015 James P. Blose General Counsel and CLO 1,000 $14.24 $14,240.00

The chart below shows where STL has traded over the past year, with the 50-day and 200-day moving averages included.

Sterling Bancorp  Moving Averages Chart

In afternoon trading on Thursday, STL shares are changing hands at $15.29/share, slightly below the new 52-week high.