| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Cheryl Maguire | EVP and CFO | 2025-10-30 | 5,400 | $9.75 | $52.65kSell |
| Michael J. Foster | EVP General Counsel and Sec | 2025-10-06 | 28,300 | $9.07 | $256.68kSell |
| Michael J. Foster | EVP General Counsel and Sec | 2025-10-03 | 1,700 | $8.99 | $15.28kSell |
| John D. Chandler | Director | 2025-05-15 | 16,760 | $7.16 | $120.00kBuy |
| Diana M. Peninger | Director | 2025-05-15 | 16,760 | $7.16 | $120.00kBuy |
| Riccardo Bertocco | Director | 2025-05-15 | 16,760 | $7.16 | $120.00kBuy |
| Steven L. Packebush | Director | 2025-05-15 | 16,760 | $7.16 | $120.00kBuy |
| John D. Chandler | Director | 2025-05-05 | 8,000 | $6.57 | $52.56kBuy |
| Kristy Carver | SVP and Treasurer | 2025-03-08 | 3,474 | $7.05 | $24.49kSell |
| Michael J. Foster | EVP General Counsel and Sec | 2025-01-25 | 2,514 | $8.73 | $21.95kSell |
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Sbt Investors LLC | 36.75% | 26,441,554 | $226.08M | Insider |
| Blackrock Inc | 8.28% | 5,958,286 | $50.94M | Institution |
| Barry H. Golsen | 7.47% | 5,377,554 | $45.98M | Insider |
| Kent C. McCarthy | 6.74% | 4,846,817 | $41.44M | Insider |
| Sylvia H. Golsen | 6.52% | 4,693,689 | $40.13M | Insider |
| Robotti Robert | 5.93% | 4,266,802 | $36.48M | Institution |
| Linda F. Rappaport | 5.38% | 3,872,928 | $33.11M | Insider |
| Sbl LLC | 5.28% | 3,799,963 | $32.49M | Insider |
| Jack E. Golsen | 4.56% | 3,281,781 | $28.06M | Insider |
| Vanguard Group Inc | 4.18% | 3,007,048 | $25.71M | Institution |