As of March 23, 2026, Ecovyst's top three insider holders are Ltd Ineos (Other, 10.73Mn shares), Kurt Bitting (See Remarks, 660.32K shares), Joseph S. Koscinski (See Remarks, 595.78K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Ltd Ineos | 10,731,385 | 0 | 26 May, 2023 | |
| Kurt Bitting | See Remarks | 698,382 | 0 | 16 Mar, 2026 |
| Kurt Bitting | See Remarks | 660,318 | 0 | 05 Feb, 2026 |
| Joseph S. Koscinski | See Remarks | 595,784 | 0 | 06 Mar, 2026 |
| William J. Jr. Sichko | See Remarks | 497,255 | 0 | 08 Aug, 2022 |
| Michael Feehan | See Remarks | 389,071 | 0 | 06 Mar, 2026 |
| Thomas Schneberger | See Remarks | 343,533 | 0 | 08 Aug, 2022 |
| Robert Coxon | 223,620 | 0 | 24 Jan, 2024 | |
| Kevin Michael Fogarty | 215,998 | 0 | 05 Feb, 2026 | |
| Kyle D Vann | 205,021 | 0 | 24 Jan, 2024 | |
| Jonny Ginns | 193,245 | 0 | 09 Dec, 2022 | |
| Bryan K. Brown | 109,015 | 0 | 05 Feb, 2026 | |
| Susan F Ward | 97,660 | 0 | 05 Feb, 2026 | |
| Paul Whittleston | See Remarks | 72,847 | 0 | 05 Feb, 2025 |
| George L. Jr. Vann | See Remarks | 69,679 | 0 | 05 Feb, 2025 |
| Sarah Lorance | 63,150 | 0 | 05 Feb, 2026 | |
| Donald L. Althoff | 58,376 | 0 | 05 Feb, 2026 | |
| Kevin Michael Fogarty | 0 | 40,000 | 09 May, 2022 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 12 Mar, 2026 | Kurt Bitting | Common Stock | A | 38,064 | $3.04 | 698,382 | D | M |
| 12 Mar, 2026 | Kurt Bitting | Option (Right to Buy) | D | 9,516 | $0.00 | 0 | D | M |
| 12 Mar, 2026 | Kurt Bitting | Option (Right to Buy) | D | 9,516 | $0.00 | 0 | D | M |
| 12 Mar, 2026 | Kurt Bitting | Option (Right to Buy) | D | 9,516 | $0.00 | 0 | D | M |
| 12 Mar, 2026 | Kurt Bitting | Option (Right to Buy) | D | 9,516 | $0.00 | 0 | D | M |
| 04 Mar, 2026 | Joseph S. Koscinski | Common Stock | A | 11,052 | $11.31 | 595,784 | D | A |
| 04 Mar, 2026 | Michael Feehan | Common Stock | A | 11,052 | $11.31 | 389,071 | D | A |
| 03 Feb, 2026 | Susan F Ward | Common Stock | A | 19,399 | $0.00 | 97,660 | D | A |
| 03 Feb, 2026 | Donald L. Althoff | Common Stock | A | 19,399 | $0.00 | 58,376 | D | A |
| 03 Feb, 2026 | Joseph S. Koscinski | Common Stock | A | 27,158 | $0.00 | 584,732 | D | A |
| 03 Feb, 2026 | Kevin Michael Fogarty | Common Stock | A | 38,798 | $0.00 | 215,998 | D | A |
| 03 Feb, 2026 | Kurt Bitting | Common Stock | D | 25,925 | $10.31 | 543,926 | D | F |
| 03 Feb, 2026 | Sarah Lorance | Common Stock | A | 19,399 | $0.00 | 63,150 | D | A |
| 03 Feb, 2026 | Kurt Bitting | Common Stock | D | 25,925 | $10.31 | 543,926 | D | F |
| 03 Feb, 2026 | Bryan K. Brown | Common Stock | A | 19,399 | $0.00 | 109,015 | D | A |
| 03 Feb, 2026 | Michael Feehan | Common Stock | D | 4,834 | $10.31 | 358,620 | D | F |
| 03 Feb, 2026 | Michael Feehan | Common Stock | A | 19,399 | $0.00 | 378,019 | D | A |
| 03 Feb, 2026 | Kurt Bitting | Common Stock | A | 116,392 | $0.00 | 660,318 | D | A |
| 03 Feb, 2026 | Kurt Bitting | Common Stock | A | 116,392 | $0.00 | 660,318 | D | A |
| 22 Jan, 2026 | Michael Feehan | Common Stock | D | 4,246 | $10.84 | 363,454 | D | F |