11 insiders reported 22 Form 4 transactions for Ecovyst Inc. (ECVT) over the past 18 months (most recent 2026-06-03). Recent activity: Lorance Sarah (Director) Sell 8,450 shares, Humble Patti A. (Director) Buy 9,099 shares, Bitting Kurt (See Remarks) Buy 38,064 shares, Koscinski Joseph S. (See Remarks) Buy 11,052 shares, Feehan Michael (See Remarks) Buy 11,052 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 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 | See Remarks | Buy | 38,064 | $115,715 |
| 2026-03-06 | Koscinski Joseph S. | See Remarks | Buy | 11,052 | $124,998 |
| 2026-03-06 | Feehan Michael | See Remarks | Buy | 11,052 | $124,998 |
| 2026-02-05 | Fogarty Kevin Michael | Director | Buy | 38,798 | $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 | See Remarks | Sell | 25,925 | $267,287 |
| 2026-02-05 | Bitting Kurt | See Remarks | Buy | 116,392 | $0 |
| 2026-02-05 | Koscinski Joseph S. | See Remarks | Buy | 27,158 | $0 |
| 2026-02-05 | Catalano Anna C | Director | Buy | 19,399 | $0 |
| 2026-02-05 | Feehan Michael | See Remarks | Sell | 4,834 | $49,839 |
| 2026-02-05 | Feehan Michael | See Remarks | 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 | See Remarks | Sell | 16,053 | $174,015 |
| 2026-01-26 | Feehan Michael | See Remarks | Sell | 4,246 | $46,027 |
| 2026-01-07 | Feehan Michael | See Remarks | Sell | 6,231 | $61,064 |
| 2026-01-07 | Bitting Kurt | See Remarks | Sell | 16,097 | $157,751 |
| 2025-11-10 | Ward Susan F | Director | Sell | 15,000 | $126,000 |
Source: SEC Form 4 filings · as of 2026-06-03