12 insiders reported 24 Form 4 transactions for Ecovyst Inc. (ECVT) over the past 18 months (most recent 2026-09-14). Recent activity: Humble Patti A. (Director) Buy 24,875 shares, Bergman Laurie (Vice President, Chief Financial Officer and Treasurer) Buy 43,353 shares, Lorance Sarah (Director) Sell 8,450 shares, Humble Patti A. (Director) Buy 9,099 shares, Bitting Kurt (Director and Chief Executive Officer) Buy 38,064 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-14 | Humble Patti A. | Director | Buy | 24,875 | $249,994 |
| 2026-08-26 | Bergman Laurie | Vice President, Chief Financial Officer and Treasurer | Buy | 43,353 | $0 |
| 2026-06-03 | Lorance Sarah | Director | Sell | 8,450 | $112,638 |
| 2026-05-27 | Humble Patti A. | Director | Buy | 9,099 | $123,837 |
| 2026-03-16 | Bitting Kurt | Director and Chief Executive Officer | Buy | 38,064 | $115,715 |
| 2026-03-06 | Feehan Michael | Vice President and Chief Financial Officer | Buy | 11,052 | $124,998 |
| 2026-03-06 | Koscinski Joseph S. | Vice President, Chief Administrative Officer, General Counsel and Secretary | Buy | 11,052 | $124,998 |
| 2026-02-05 | Bitting Kurt | Director and Chief Executive Officer | Buy | 116,392 | $0 |
| 2026-02-05 | Bradley David A. | Director | Buy | 19,399 | $0 |
| 2026-02-05 | Brown Bryan K. | Director | Buy | 19,399 | $0 |
| 2026-02-05 | Lorance Sarah | Director | Buy | 19,399 | $0 |
| 2026-02-05 | Bitting Kurt | Director and Chief Executive Officer | Sell | 25,925 | $267,287 |
| 2026-02-05 | Fogarty Kevin Michael | Director | Buy | 38,798 | $0 |
| 2026-02-05 | Koscinski Joseph S. | Vice President, Chief Administrative Officer, General Counsel and Secretary | Buy | 27,158 | $0 |
| 2026-02-05 | Catalano Anna C | Director | Buy | 19,399 | $0 |
| 2026-02-05 | Feehan Michael | Vice President and Chief Financial Officer | Sell | 4,834 | $49,839 |
| 2026-02-05 | Feehan Michael | Vice President and Chief Financial Officer | Buy | 19,399 | $0 |
| 2026-02-05 | Ward Susan F | Director | Buy | 19,399 | $0 |
| 2026-02-05 | Althoff Donald L. | Director | Buy | 19,399 | $0 |
| 2026-01-26 | Bitting Kurt | Director and Chief Executive Officer | Sell | 16,053 | $174,015 |
| 2026-01-26 | Feehan Michael | Vice President and Chief Financial Officer | Sell | 4,246 | $46,027 |
| 2026-01-07 | Feehan Michael | Vice President and Chief Financial Officer | Sell | 6,231 | $61,064 |
| 2026-01-07 | Bitting Kurt | Director and Chief Executive Officer | Sell | 16,097 | $157,751 |
| 2025-11-10 | Ward Susan F | Director | Sell | 15,000 | $126,000 |
Source: SEC Form 4 filings · as of 2026-09-14