| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Corning F. Painter | Director | 2025-08-08 | 2,433 | $49.09 | $119.44kBuy |
| F. Quinn Stepan Jr. | Director | 2025-08-05 | 3,700 | $50.49 | $186.81kSell |
| F. Quinn Stepan Jr. | Director | 2025-08-04 | 6,300 | $49.96 | $314.76kSell |
| Joaquin Delgado | Director | 2025-05-12 | 2,500 | $54.26 | $135.66kBuy |
| Jan Stern Reed | Director | 2025-05-12 | 2,500 | $54.26 | $135.66kBuy |
| Randall S. Dearth | Director | 2025-05-12 | 2,500 | $54.26 | $135.66kBuy |
| Susan Lewis | Director | 2025-05-12 | 2,500 | $54.26 | $135.66kBuy |
| F. Quinn Stepan Jr. | Director | 2025-05-12 | 2,500 | $54.26 | $135.66kBuy |
| Robert Joseph Haire | EVP Supply Chain | 2025-05-01 | 162 | $51.86 | $8.40kSell |
| Robert Joseph Haire | EVP Supply Chain | 2025-05-01 | 550 | $51.86 | $28.52kBuy |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Blackrock Inc | 14.33% | 3,240,348 | $143.71M | Institution |
| Vanguard Group Inc | 11.44% | 2,586,580 | $114.71M | Institution |
| F. Quinn Stepan Jr. | 7.80% | 1,763,884 | $78.23M | Insider |
| Hightower Advisors LLC | 6.66% | 1,507,337 | $66.85M | Institution |
| Westwood Holdings Group Inc | 5.91% | 1,336,855 | $59.29M | Institution |
| F. Quinn Stepan | 5.87% | 1,326,695 | $58.84M | Insider |
| Dimensional Fund Advisors LP | 5.53% | 1,250,269 | $55.45M | Institution |
| Gregory Servatius | 4.44% | 1,003,933 | $44.52M | Insider |
| State Street Corp | 4.06% | 917,266 | $40.68M | Institution |
| First Trust Advisors LP | 3.27% | 739,436 | $32.79M | Institution |