| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Robin Joseph Weitkamp | VP and GM Surfactants-INT | 2026-05-11 | 50 | $52.58 | $2.63kSell |
| Robin Joseph Weitkamp | VP and GM Surfactants-INT | 2026-05-11 | 90 | $52.58 | $4.73kBuy |
| Joaquin Delgado | Director | 2026-05-08 | 2,566 | $52.61 | $135.00kBuy |
| Lorinda Burgess | Director | 2026-05-08 | 2,566 | $52.61 | $135.00kBuy |
| Corning F. Painter | Director | 2026-05-08 | 2,566 | $52.61 | $135.00kBuy |
| Jan Stern Reed | Director | 2026-05-08 | 2,566 | $52.61 | $135.00kBuy |
| Randall S. Dearth | Director | 2026-05-08 | 2,566 | $52.61 | $135.00kBuy |
| F. Quinn Stepan Jr. | Director | 2026-05-08 | 2,566 | $52.61 | $135.00kBuy |
| Susan Lewis | Director | 2026-05-08 | 2,566 | $52.61 | $135.00kBuy |
| Robert Joseph Haire | EVP Supply Chain | 2026-05-01 | 162 | $50.33 | $8.15kSell |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Blackrock Inc | 14.58% | 3,311,040 | $178.60M | Institution |
| F. Quinn Stepan Jr. | 8.06% | 1,831,031 | $98.77M | Insider |
| Hightower Advisors LLC | 7.00% | 1,590,065 | $85.77M | Institution |
| Vanguard Portfolio Management LLC | 5.98% | 1,358,853 | $73.30M | Institution |
| F. Quinn Stepan | 5.84% | 1,326,695 | $71.56M | Insider |
| Dimensional Fund Advisors LP | 4.92% | 1,117,030 | $60.25M | Institution |
| Gregory Servatius | 4.42% | 1,003,933 | $54.15M | Insider |
| Deprince Race Zollo Inc | 4.17% | 947,452 | $51.11M | Institution |
| Vanguard Capital Management LLC | 4.15% | 941,991 | $50.81M | Institution |
| State Street Corp | 3.97% | 902,664 | $48.69M | Institution |