Althoff Donald L. has filed 3 insider transactions across 1 company since May 2024.
Most recent transaction: a grant/award of 19399 shares of Ecovyst Inc. ($ECVT) on February 03, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 3, 2026 | Ecovyst Inc. | $ECVT | Althoff Donald L. | Director | A | Common Stock | 19399 | $0.00 | 58,376.0000 | 114,019,414 | 49.77% | 0.02% |
| Feb. 3, 2025 | Ecovyst Inc. | $ECVT | Althoff Donald L. | Director | A | Common Stock | 25674 | $0.00 | 38,977.0000 | 140,872,846 | 192.99% | 0.02% |
| May 20, 2024 | Ecovyst Inc. | $ECVT | Althoff Donald L. | Director | A | Common Stock | 13303 | $0.00 | 13,303.0000 | 140,744,045 | 9999.99% | 0.01% |