| 2025-08-05 | STEPAN F QUINN JR | Director | Sale+OE | 10,000 | $50.16 | $501,569.90 | -3.0% | → |
| 2025-02-25 | Lewis Susan | Director | Buy | 500 | $63.53 | $31,765.30 | +35.8% | → |
| 2024-08-14 | Kabbes David | VP GC & Secretary | Buy | 1,056 | $71.39 | $75,387.84 | New | → |
| 2024-03-07 | STEPAN F QUINN JR | Director | Sell | 2,000 | $87.43 | $174,854.60 | -0.4% | → |
| 2024-03-06 | STEPAN F QUINN JR | Director | Sale+OE | 3,000 | $86.88 | $260,639.00 | -0.6% | → |
| 2024-02-27 | STEPAN F QUINN JR | Director | Sale+OE | 10,000 | $89.77 | $897,741.18 | -1.3% | → |
| 2024-02-26 | Behrens Scott R. | President & CEO | Sell | 1,650 | $90.27 | $148,937.70 | -5.1% | → |
| 2024-02-23 | Rojo Luis | VP & Chief Financial Officer | Sell | 600 | $91.29 | $54,773.40 | -6.6% | → |
| 2024-02-23 | STEPAN F QUINN JR | Director | Sale+OE | 10,000 | $91.31 | $913,104.52 | -1.3% | → |
| 2023-08-28 | Dearth Randall S. | Director | Sell | 590 | $87.20 | $51,445.05 | -5.5% | → |
| 2023-08-01 | STEPAN F QUINN JR | Director | Sale+OE | 10,168 | $94.87 | $964,626.24 | -1.3% | → |
| 2023-05-26 | Mergner Arthur W | Exec VP | Sale+OE | 3,987 | $93.34 | $372,138.83 | -6.7% | → |
| 2023-05-23 | Mergner Arthur W | Exec VP | Sale+OE | 1,996 | $98.23 | $196,067.08 | -6.8% | → |
| 2023-05-04 | Behrens Scott R. | President & CEO | Sell | 2,000 | $89.91 | $179,818.73 | -4.8% | → |
| 2023-03-06 | Stepan Richard Finn | V.P. and Gen'l. Mgr., Polymers | Sell | 479 | $105.06 | $50,323.74 | -0.3% | → |
| 2023-02-28 | STEPAN F QUINN JR | Director | Sale+OE | 12,222 | $105.27 | $1,286,664.73 | -1.8% | → |
| 2023-02-27 | Mergner Arthur W | Exec VP, Supply Chain | Sale+OE | 3,851 | $104.81 | $403,627.16 | -12.3% | → |
| 2023-02-23 | STEPAN F QUINN JR | Director | Sale+OE | 1,237 | $105.20 | $130,132.89 | -0.5% | → |
| 2023-02-22 | STEPAN F QUINN JR | Director | Sale+OE | 9,041 | $104.05 | $940,722.56 | -3.0% | → |
| 2022-11-11 | STEPAN F QUINN JR | Director | Sell | 5,308 | $110.00 | $583,880.00 | -7.6% | → |
| 2022-10-27 | Mergner Arthur W | Exec VP, Supply Chain | Sale+OE | 2,156 | $103.01 | $222,089.56 | -8.4% | → |
| 2022-08-25 | Keiper Jason Scott | VP & Chief Tech & Sust Officer | Buy | 500 | $112.45 | $56,226.50 | +13.6% | → |
| 2022-08-15 | Behrens Scott R. | President & COO | Sell | 1,000 | $114.07 | $114,073.50 | -7.6% | → |
| 2022-08-12 | LAWTON GREGORY E | Director | Sell | 1,249 | $113.00 | $141,137.00 | -7.4% | → |
| 2022-08-10 | Behrens Scott R. | President & COO | Sell | 550 | $109.24 | $60,079.80 | -4.0% | → |
| 2022-07-29 | Rojo Luis | VP & Chief Financial Officer | Sell | 400 | $115.17 | $46,069.60 | -10.9% | → |
| 2021-12-07 | Stefaniak Debra | VP, Business Enablement | Sell | 1,501 | $121.84 | $182,878.84 | -18.4% | → |
| 2021-11-08 | Rojo Luis | VP & Chief Financial Officer | Sale+OE | 2,000 | $126.55 | $253,108.30 | -25.6% | → |
| 2021-06-11 | Catlett Janet Anne | VP, CHRO | Buy | 2 | $132.04 | $215.10 | - | → |
| 2021-05-25 | Mergner Arthur W | Exec VP, Supply Chain | Sale+OE | 2,251 | $133.82 | $301,226.57 | -10.1% | → |
| 2021-05-10 | Rojo Luis | VP & Chief Financial Officer | Sell | 1,000 | $137.70 | $137,700.00 | -31.2% | → |
| 2021-05-10 | Behrens Scott R. | President & COO | Sale+OE | 1,006 | $138.32 | $139,145.90 | -8.2% | → |