Data spanning the past 90 days through February 19, 2026 reveals that Stepan's three principal insider shareholders consist of V.P. And Gen'L. Mgr. And Polymers Richard Finn Stepan (336.53K shares), Director F Quinn Jr Stepan (160.96K shares), Exec Vp Arthur W Mergner (27.80K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Richard Finn Stepan | V.P. And Gen'L. Mgr. And Polymers | 336,532 | 29 Dec, 2025 |
| F Quinn Jr Stepan | 160,960 | 15 Jan, 2026 | |
| Arthur W Mergner | Exec Vp | 27,795 | 31 May, 2023 |
| Scott R. Behrens | President & Ceo | 18,606 | 11 Mar, 2024 |
| Sean Thomas Moriarty | Vp & Gm Surfactants | 18,286 | 17 Mar, 2025 |
| Gregory E Lawton | 17,039 | 27 Apr, 2023 | |
| Luis Rojo | President & Ceo | 15,707 | 05 Jan, 2026 |
| Michael Ross Boyce | 15,261 | 28 Apr, 2021 | |
| Randall S. Dearth | 14,106 | 14 May, 2025 | |
| Jan Stern Reed | 13,911 | 13 May, 2025 | |
| Joaquin Delgado | 13,571 | 14 May, 2024 | |
| Edward J Wehmer | 11,902 | 15 Apr, 2025 | |
| David Kabbes | Vp Gc & Secretary | 11,840 | 17 Mar, 2025 |
| Debra Stefaniak | Vp And Business Enablement | 8,848 | 16 Aug, 2022 |
| Jason Scott Keiper | Vp & Chief Tech & Sust Officer | 8,218 | 17 Mar, 2025 |
| Janet Anne Catlett | Vp And Chro | 7,446 | 16 Feb, 2023 |
| Susan Lewis | 4,396 | 13 May, 2025 | |
| Lorinda Burgess | 3,334 | 27 Apr, 2023 | |
| Robert Joseph Haire | Evp And Supply Chain | 2,572 | 05 Jan, 2026 |
| Corning F. Painter | 2,433 | 12 Aug, 2025 | |
| Samuel S Hinrichsen | Vp & Interim Cfo | 784 | 17 Mar, 2025 |
| Sharon Purnell | Vp & Chro | 272 | 05 Mar, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 13 Jan, 2026 | F Quinn Jr Stepan | Common Stock | A | 34,741 | $43.85 | 160,960 | D | M |
| 31 Dec, 2025 | Luis Rojo | - | - | 15,195 | D | |||
| 31 Dec, 2025 | Luis Rojo | Common Stock | A | 4,202 | $47.20 | 15,195 | D | M |
| 31 Dec, 2025 | Robert Joseph Haire | Common Stock | A | 1,891 | $47.20 | 2,482 | D | M |
| 23 Dec, 2025 | F Quinn Jr Stepan | Common Stock | A | 96 | $0.00 | 126,219 | D | G |
| 23 Dec, 2025 | Richard Finn Stepan | - | - | 241,116 | D | |||
| 23 Dec, 2025 | Richard Finn Stepan | Common Stock | A | 96 | $0.00 | 241,116 | D | G |
| 12 Aug, 2025 | F Quinn Jr Stepan | Common Stock | D | 138,745 | $0.00 | 0 | I | W |
| 12 Aug, 2025 | F Quinn Jr Stepan | Common Stock | A | 2,448 | $0.00 | 2,448 | I | W |
| 12 Aug, 2025 | F Quinn Jr Stepan | - | - | 138,745 | I | |||
| 12 Aug, 2025 | F Quinn Jr Stepan | - | - | 2,448 | I | |||
| 12 Aug, 2025 | F Quinn Jr Stepan | - | - | 0 | I | |||
| 12 Aug, 2025 | F Quinn Jr Stepan | - | - | 141,193 | I | |||
| 12 Aug, 2025 | F Quinn Jr Stepan | Common Stock | A | 20,676 | $0.00 | 126,123 | D | W |
| 12 Aug, 2025 | F Quinn Jr Stepan | Common Stock | D | 20,676 | $0.00 | 141,193 | I | W |
| 12 Aug, 2025 | F Quinn Jr Stepan | Common Stock | D | 2,448 | $0.00 | 138,745 | I | W |
| 12 Aug, 2025 | Richard Finn Stepan | - | - | 95,416 | I | |||
| 12 Aug, 2025 | Richard Finn Stepan | Common Stock | A | 2,449 | $0.00 | 95,416 | I | W |
| 12 Aug, 2025 | Richard Finn Stepan | Common Stock | A | 20,675 | $0.00 | 241,020 | D | W |
| 08 Aug, 2025 | Corning F. Painter | Common Stock | A | 2,433 | $49.09 | 2,433 | D | A |