| $126M | ||
| $85M | ||
| $34M | ||
| $33M | ||
| $32M | ||
| $27M |
Buys | $249,994 | 1 | 50 |
Sells | $126,018 | 1 | 50 |
| Humble Patti A. | director | 1 | $249,994 | 0 | $0 | $249,994 |
| Ward Susan F | director | 0 | $0 | 1 | $126,018 | $-126,018 |
Ecovyst Inc. is a global provider of specialized catalysts and related services, with operations spanning the United States, the Netherlands, the United Kingdom, and other international markets. The company's activities are organized into two primary divisions. Its Ecoservices segment focuses on recycling sulfuric acid for use in refinery alkylate production, as well as supplying new sulfuric acid for diverse applications such as mining, water purification, and various industrial processes. The Catalyst Technologies segment delivers bespoke …
Over the last 12 months, insiders at Ecovyst Inc. have bought $249,994 and sold $126,018 worth of Ecovyst Inc. stock.
On average, over the past 5 years, insiders at Ecovyst Inc. have bought $912,323 and sold $103.9M worth of stock each year.
Highest buying activity among insiders over the last 12 months: Humble Patti A. (director) — $249,994.
The last purchase of 24,875 shares for transaction amount of $249,994 was made by Humble Patti A. (director) on 2026‑09‑10.
| 2026-09-10 | Humble Patti A. | director | 24,875 0.0227% | $10.05 | $249,994 | +0.50% | ||
| 2025-11-07 | Sale | Ward Susan F | director | 15,000 0.0134% | $8.40 | $126,018 | +30.92% | |
| 2024-08-07 | Whittleston Paul | See Remarks | 7,800 0.0055% | $6.50 | $50,739 | +15.31% | ||
| 2024-08-05 | Koscinski Joseph S. | See Remarks | 4,807 0.0032% | $6.26 | $30,090 | +18.30% | ||
| 2024-08-05 | Bitting Kurt | See Remarks | 5,000 0.0034% | $6.27 | $31,350 | +18.30% | ||
| 2024-08-05 | Feehan Michael | See Remarks | 16,000 0.0109% | $6.28 | $100,542 | +18.30% | ||
| 2024-03-22 | Sale | Ward Susan F | director | 24,436 0.0271% | $10.28 | $251,307 | -23.11% | |
| 2023-08-23 | Bitting Kurt | See Remarks | 3,100 0.0032% | $9.64 | $29,891 | -0.16% | ||
| 2023-08-23 | Feehan Michael | See Remarks | 5,000 0.0052% | $9.67 | $48,350 | -0.16% | ||
| 2023-05-26 | Sale | INEOS Ltd | 14M 16.4459% | $10.88 | $152.33M | -6.66% | ||
| 2023-03-07 | Sale | CCMP Capital, LP | 10 percent owner | 1.74M 1.865% | $9.95 | $17.27M | -6.23% | |
| 2023-03-03 | Vann Kyle D | director | 10,000 0.0119% | $11.02 | $110,217 | -9.03% | ||
| 2022-12-07 | Ginns Jonny | director | 40,402 0.0396% | $9.09 | $367,157 | +14.72% | ||
| 2022-11-17 | Sale | CCMP Capital, LP | director | 20.13M 17.1185% | $7.88 | $158.56M | +15.36% | |
| 2022-11-16 | Coxon Robert | director | 10,000 0.0095% | $8.81 | $88,100 | +17.20% | ||
| 2022-09-15 | Coxon Robert | director | 10,000 0.0094% | $8.70 | $87,028 | +18.28% | ||
| 2022-08-08 | Sale | CCMP Capital Investors III (AV-10), L.P. | 281,805 0.2542% | $8.36 | $2.35M | +14.56% | ||
| 2022-08-08 | Sale | CCMP Co-Invest III A GP, LLC | 93,689 0.0845% | $8.36 | $782,893 | +14.56% | ||
| 2022-08-05 | Bitting Kurt | See Remarks | 10,750 0.0103% | $8.85 | $95,162 | +14.93% | ||
| 2022-08-05 | Ginns Jonny | 40,941 0.0394% | $8.91 | $364,592 | +14.93% |
| Humble Patti A. | director | 33974 0.031% | $341,438.70 | 1 | 0 | |
| Koscinski Joseph S. | See Remarks | 544609 0.4975% | $5.47M | 3 | 0 | +12.32% |
| Sichko William J. Jr. | See Remarks | 497255 0.4542% | $5M | 1 | 0 | +15.86% |
| Bitting Kurt | See Remarks | 489332 0.447% | $4.92M | 4 | 0 | +8.97% |
| Feehan Michael | See Remarks | 364799 0.3332% | $3.67M | 4 | 0 | +8.25% |
| Schneberger Thomas | See Remarks | 343533 0.3138% | $3.45M | 2 | 0 | +7.83% |
| Chariag Belgacem | See Remarks | 312829 0.2858% | $3.14M | 2 | 0 | +30.24% |
| GENTILCORE JAMES | See Remarks | 280235 0.256% | $2.82M | 1 | 0 | +15.02% |
| Coxon Robert | director | 205054 0.1873% | $2.06M | 4 | 0 | +17.11% |
| Ginns Jonny | director | 193245 0.1765% | $1.94M | 7 | 0 | +8.09% |
| Vann Kyle D | director | 182320 0.1666% | $1.83M | 5 | 0 | +6.18% |
| Taylor David James | See Remarks | 85713 0.0783% | $861,415.65 | 1 | 0 | +15.02% |
| Whittleston Paul | See Remarks | 57542 0.0526% | $578,297.10 | 1 | 0 | +15.31% |
| Craighead Martin S | director | 43955 0.0402% | $441,747.75 | 2 | 0 | +15.02% |
| Fogarty Kevin Michael | 40000 0.0365% | $402,000.00 | 1 | 0 | <0.0001% | |
| Ross Kimberly A. | director | 26815 0.0245% | $269,490.75 | 1 | 0 | |
| Bradley David A. | 20000 0.0183% | $201,000.00 | 1 | 0 | +2.38% |
$244,780,248 | 82 | 2.84% | $8.55B | |
Ecovyst Inc. (ECVT) | $5,655,718 | 36 | 10.91% | $1.1B |
$5,557,716 | 16 | -2.48% | $20.72B | |
$16,758,954 | 11 | 9.71% | $4.67B | |
$274,615 | 1 | -5.94% | $26.78B |
| Increased Positions | 68 | +32.08% | 10M | +8.23% |
| Decreased Positions | 89 | -41.98% | 11M | -9.64% |
| New Positions | 20 | New | 4M | New |
| Sold Out Positions | 28 | Sold Out | 6M | Sold Out |
| Total Postitions | 191 | -9.91% | 117M | -1.42% |
| Vanguard Group Inc | $108,229.00 | 9.58% | 10.92M | +267,695 | +2.51% | 2025-09-30 |
| Rubric Capital Management Lp | $103,064.00 | 9.12% | 10.4M | +6M | +120.93% | 2025-09-30 |
| Blackrock, Inc. | $101,763.00 | 9.01% | 10.27M | +103,070 | +1.01% | 2025-09-30 |
| Hotchkis & Wiley Capital Management Llc | $87,725.00 | 7.77% | 8.85M | -2M | -21.09% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $62,008.00 | 5.49% | 6.26M | +77,374 | +1.25% | 2025-09-30 |
| Brown Advisory Inc | $54,256.00 | 4.8% | 5.47M | +5M | New | 2025-09-30 |
| Mangrove Partners Im, Llc | $54,248.00 | 4.8% | 5.47M | +935,647 | +20.62% | 2025-09-30 |
| Allspring Global Investments Holdings, Llc | $44,663.00 | 3.95% | 4.51M | -361,859 | -7.43% | 2025-09-30 |
| Shapiro Capital Management Llc | $38,752.00 | 3.43% | 3.91M | -2M | -30.13% | 2025-09-30 |
| Boston Partners | $31,964.00 | 2.83% | 3.23M | -16,826 | -0.52% | 2025-09-30 |