| 2018-08-09 | PACHOLEC FRANK | Vice President, Strategy | Sell | 800 | $89.00 | $71,200.00 | -2.1% | → |
| 2018-08-08 | PACHOLEC FRANK | Vice President, Strategy | Sell | 2,000 | $88.55 | $177,108.00 | -5.0% | → |
| 2018-07-31 | STEPAN F QUINN | Director | Sell | 3,433 | $87.59 | $300,696.47 | -0.7% | → |
| 2018-03-12 | PACHOLEC FRANK | Vice President, Strategy | Sell | 6,000 | $86.52 | $519,144.00 | -13.0% | → |
| 2018-03-09 | PACHOLEC FRANK | Vice President, Strategy | Sale+OE | 3,180 | $85.19 | $270,888.30 | -6.5% | → |
| 2018-03-09 | Mergner Arthur W | VP, Supply Chain | Sale+OE | 1,734 | $85.00 | $147,390.00 | -15.0% | → |
| 2018-03-09 | Servatius Gregory | VP of Human Resources | Sale+OE | 701 | $85.95 | $60,250.95 | -3.1% | → |
| 2018-03-08 | PACHOLEC FRANK | Vice President, Strategy | Sell | 5,000 | $85.21 | $426,052.50 | -5.0% | → |
| 2018-03-07 | Stefaniak Debra | VP, Business Transformation | Sell | 300 | $83.54 | $25,063.06 | -2.1% | → |
| 2018-03-07 | Servatius Gregory | VP of Human Resources | Sale+OE | 2,479 | $85.22 | $211,269.63 | -5.4% | → |
| 2018-03-06 | STEPAN F QUINN JR | Chairman, President & CEO | Sale+OE | 35,766 | $81.71 | $2,922,428.99 | -3.7% | → |
| 2018-02-26 | Hale Jennifer Ansbro | VP, Gen'l Counsel & Sec'y | Sale+OE | 2,044 | $77.25 | $157,907.18 | -52.0% | → |
| 2017-11-21 | Stefaniak Debra | VP, Business Transformation | Sale+OE | 818 | $82.66 | $67,617.52 | -12.4% | → |
| 2017-11-07 | Mergner Arthur W | VP, Supply Chain | Sell | 1,000 | $81.16 | $81,157.00 | -25.3% | → |
| 2017-11-02 | PACHOLEC FRANK | Vice President, Strategy | Sale+OE | 832 | $80.55 | $67,015.94 | -1.7% | → |
| 2017-09-18 | PACHOLEC FRANK | Vice President R&D | Sale+OE | 1,500 | $81.60 | $122,400.00 | -1.0% | → |
| 2017-09-11 | PACHOLEC FRANK | Vice President R&D | Sale+OE | 1,500 | $80.10 | $120,150.00 | -1.5% | → |
| 2017-08-25 | Boyce Michael Ross | Director | Sale+OE | 872 | $77.00 | $67,144.00 | -7.3% | → |
| 2017-08-23 | Behrens Scott R. | VP/GM Surfactants | Sell | 667 | $77.64 | $51,783.21 | -17.0% | → |
| 2017-08-16 | PACHOLEC FRANK | Vice President R&D | Sale+OE | 1,000 | $79.33 | $79,325.00 | -2.0% | → |
| 2017-08-15 | STEPAN F QUINN JR | Chairman, President & CEO | Sale+OE | 15,000 | $79.27 | $1,189,115.00 | -5.0% | → |
| 2017-08-07 | STEPAN F QUINN | Director | Sell | 8,865 | $80.50 | $713,632.50 | -1.7% | → |
| 2017-05-10 | STEPAN F QUINN JR | Chairman, President & CEO | Sale+OE | 5,381 | $85.15 | $458,192.15 | -1.9% | → |
| 2017-05-08 | Mergner Arthur W | VP & General Manager | Sell | 2,500 | $84.79 | $211,980.00 | -38.7% | → |
| 2017-05-08 | STEPAN F QUINN JR | Chairman, President & CEO | Sale+OE | 9,619 | $85.32 | $820,683.32 | -2.2% | → |
| 2017-05-03 | STEPAN F QUINN JR | Chairman, President & CEO | Sale+OE | 14,348 | $85.44 | $1,225,962.81 | -3.3% | → |
| 2017-04-27 | STEPAN F QUINN JR | Chairman, President & CEO | Sale+OE | 10,000 | $86.36 | $863,606.54 | -3.4% | → |
| 2017-04-25 | PACHOLEC FRANK | Vice President R&D | Sell | 4,000 | $86.63 | $346,500.00 | -2.6% | → |
| 2017-03-17 | Behrens Scott R. | VP/GM Surfactants | Sale+OE | 664 | $78.96 | $52,429.44 | -16.9% | → |
| 2017-03-09 | Behrens Scott R. | VP/GM Surfactants | Sell | 561 | $76.77 | $43,068.53 | -14.7% | → |