🕵️ Ecovyst Inc. ($ECVT)
SEC insider & ownership activity, last 12 months · CIK 1708035 · every row links its SEC filing
Over the last 12 months insiders sold $239K against $250K of open-market buying. Patti A. Humble bought $250K in discretionary trades (Sep). 1 planned sale is pending, the largest $386K (Susan Ward). One red-flag 8-K in the window: Debt acceleration (2.04), Dec 31, 2025.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
1 buyer, $250K (1 lots) · 2 sellers, $239K (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Patti A. Humble | 1 | $250K | 0 | – | Sep 10, 2026 |
| Susan F. Ward | 0 | – | 1 | $126K | Nov 7, 2025 |
| Lorance Sarah | 0 | – | 1 | $113K | Jun 2, 2026 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Rubric Capital Management LP | 9.1% | 13G | Nov 14, 2025 | filing ↗ | |
| David Rosen | 9.1% | 13G | Nov 14, 2025 | filing ↗ | |
| BlackRock, Inc. | 7.7% | 13G | Apr 24, 2026 | filing ↗ | |
| Dimensional Fund Advisors LP | 6.0% | 13G | Jul 14, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 5.7% | 13G | Jul 31, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.2% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Susan Ward | $386K | Jul 17, 2026 | filing ↗ |
| Sarah J. Lorance | $113K | Jun 2, 2026 | filing ↗ |
| Susan Ward | $126K | Nov 7, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Aug 21, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 21, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 21, 2026 | filing ↗ |
| Earnings (2.02) | Aug 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 5, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 30, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 30, 2026 | filing ↗ |
| Other events (8.01) | Jun 30, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 30, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 20, 2026 | filing ↗ |
| Earnings (2.02) | May 5, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 5, 2026 | filing ↗ |
| Material agreement (1.01) | May 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 1, 2026 | filing ↗ |
| Earnings (2.02) | Feb 26, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 26, 2026 | filing ↗ |
| Acquisition or disposition (2.01) | Dec 31, 2025 | filing ↗ |
| Debt acceleration (2.04) | Dec 31, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 31, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 31, 2025 | filing ↗ |
| Officer/director changes (5.02) | Dec 8, 2025 | filing ↗ |
| Earnings (2.02) | Nov 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 4, 2025 | filing ↗ |