| 2021-05-07 | Catlett Janet Anne | VP, CHRO | Sale+OE | 378 | $137.27 | $51,888.44 | -10.7% | → |
| 2021-05-07 | Behrens Scott R. | President & COO | Sale+OE | 1,684 | $137.33 | $231,261.21 | -6.9% | → |
| 2021-05-05 | Stepan Richard Finn | V.P. and Gen'l. Mgr., Polymers | Sale+OE | 1,043 | $135.11 | $140,920.77 | -0.5% | → |
| 2021-05-04 | WEHMER EDWARD J | Director | Sell | 1,000 | $134.29 | $134,285.45 | -8.8% | → |
| 2021-05-03 | Rojo Luis | VP & Chief Financial Officer | Sale+OE | 2,200 | $133.34 | $293,342.40 | -22.9% | → |
| 2021-05-03 | LAWTON GREGORY E | Director | Sell | 1,087 | $132.00 | $143,484.00 | -3.2% | → |
| 2021-03-16 | Rojo Luis | VP & Chief Financial Officer | Sale+OE | 350 | $128.04 | $44,814.00 | -8.3% | → |
| 2021-03-12 | Keiper Jason Scott | VP & Chief Tech & Sust Officer | Buy | 650 | $129.54 | $84,197.75 | +42.2% | → |
| 2021-03-12 | Stefaniak Debra | VP, Business Enablement | Sell | 760 | $130.69 | $99,327.82 | -8.5% | → |
| 2021-03-11 | Catlett Janet Anne | VP, CHRO | Buy | 2 | $129.51 | $214.59 | - | → |
| 2021-03-10 | Rojo Luis | VP & Chief Financial Officer | Sell | 400 | $129.49 | $51,796.00 | -8.7% | → |
| 2021-03-01 | Stefaniak Debra | VP, Business Enablement | Sell | 402 | $121.85 | $48,935.35 | -25.0% | → |
| 2020-12-11 | Catlett Janet Anne | VP, CHRO | Buy | 2 | $118.25 | $214.04 | - | → |
| 2020-12-09 | Catlett Janet Anne | VP, CHRO | Sale+OE | 642 | $118.25 | $75,918.38 | -22.1% | → |
| 2020-11-05 | STEPAN F QUINN JR | Chairman, President & CEO | Sale+OE | 12,281 | $120.04 | $1,474,180.54 | -5.8% | → |
| 2020-11-02 | STEPAN F QUINN JR | Chairman, President & CEO | Sale+OE | 10,430 | $117.05 | $1,220,831.50 | -5.0% | → |
| 2020-09-15 | Catlett Janet Anne | VP, CHRO | Buy | 2 | $117.18 | $192.53 | - | → |
| 2020-09-09 | Moriarty Sean Thomas | VP & GM Polymers | Sale+OE | 2,755 | $117.04 | $322,439.29 | -12.6% | → |
| 2020-08-24 | Stefaniak Debra | VP, Business Enablement | Sale+OE | 453 | $116.34 | $52,700.66 | -5.3% | → |
| 2020-08-18 | Behrens Scott R. | VP/GM Surfactants | Sale+OE | 9,132 | $117.62 | $1,074,080.34 | -13.8% | → |
| 2020-08-13 | STEPAN F QUINN JR | Chairman, President & CEO | Sale+OE | 10,777 | $115.68 | $1,246,732.08 | -2.6% | → |
| 2020-08-12 | STEPAN F QUINN JR | Chairman, President & CEO | Sale+OE | 3,736 | $115.55 | $431,703.69 | -0.7% | → |
| 2020-08-05 | LAWTON GREGORY E | Director | Sell | 1,087 | $110.00 | $119,570.00 | -6.3% | → |
| 2020-07-31 | Behrens Scott R. | VP/GM Surfactants | Sale+OE | 1,813 | $108.23 | $196,218.39 | -7.4% | → |
| 2020-07-27 | Behrens Scott R. | VP/GM Surfactants | Sell | 445 | $109.02 | $48,514.17 | -3.8% | → |
| 2020-06-11 | Catlett Janet Anne | VP, CHRO | Buy | 1 | $95.86 | $97.11 | - | → |
| 2020-05-12 | Keiper Jason Scott | VP & Chief Tech & Sust Officer | Buy | 275 | $92.00 | $25,300.00 | +25.1% | → |
| 2020-05-08 | WEHMER EDWARD J | Director | Sell | 1,183 | $93.43 | $110,527.69 | -15.6% | → |
| 2020-05-04 | Keiper Jason Scott | VP & Chief Tech & Sust Officer | Buy | 850 | $90.00 | $76,500.00 | +347.1% | → |
| 2020-03-17 | Behrens Scott R. | VP/GM Surfactants | Sell | 1,000 | $98.57 | $98,570.92 | -2.8% | → |
| 2020-03-17 | Stefaniak Debra | VP, Business Enablement | Sell | 624 | $100.31 | $62,592.82 | -7.1% | → |
| 2020-03-16 | Rojo Luis | VP & Chief Financial Officer | Buy | 500 | $81.90 | $40,950.00 | +20.8% | → |
| 2020-03-12 | Kabbes David | VP GC & Secretary | Buy | 2,222 | $71.67 | $159,239.63 | +270.6% | → |
| 2020-03-11 | Catlett Janet Anne | VP, CHRO | Buy | 1 | $78.10 | $96.77 | - | → |