| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Renaissance Technologies | $2.7M | 0.00% | 213.10K | −31% | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a ECVT trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Sep 9, 2026 | Humble Patti ADirector | Purchase at price 10.05 per share. | 24.9K | $249.99K |
| Aug 23, 2026 | Bergman LaurieChief Financial Officer | Stock Award(Grant) at price 0.00 per share. | 43.4K | — |
| Jun 1, 2026 | Lorance Sarah JDirector | Sale at price 13.33 per share. | 8.4K | $112.64K |
| May 25, 2026 | Humble Patti ADirector | Stock Award(Grant) at price 13.61 per share. | 9.1K | $123.84K |
| Mar 11, 2026 | Bitting KurtChief Executive Officer | Conversion of Exercise of derivative security at price 3.04 per share. | 38.1K | $115.72K |
| Mar 3, 2026 | Koscinski Joseph SGeneral Counsel | Stock Award(Grant) at price 11.31 per share. | 11.1K | $125.00K |
| Mar 3, 2026 | Feehan MichaelChief Financial Officer | Stock Award(Grant) at price 11.31 per share. | 11.1K | $125.00K |
| Feb 2, 2026 | Catalano Anna ChengDirector | Stock Award(Grant) at price 0.00 per share. | 19.4K | — |
| Feb 2, 2026 | Fogarty Kevin MichaelDirector | Stock Award(Grant) at price 0.00 per share. | 38.8K | — |
| Feb 2, 2026 | Bradley David ADirector | Stock Award(Grant) at price 0.00 per share. | 19.4K | — |
| Feb 2, 2026 | Koscinski Joseph SGeneral Counsel | Stock Award(Grant) at price 0.00 per share. | 27.2K | — |
| Feb 2, 2026 | Bitting KurtChief Executive Officer | Stock Award(Grant) at price 0.00 per share. | 116.4K | — |
| Feb 2, 2026 | Ward Susan F.Director | Stock Award(Grant) at price 0.00 per share. | 19.4K | — |
| Feb 2, 2026 | Feehan MichaelChief Financial Officer | Stock Award(Grant) at price 0.00 per share. | 19.4K | — |
| Feb 2, 2026 | Brown Bryan K.Director | Stock Award(Grant) at price 0.00 per share. | 19.4K | — |
| Feb 2, 2026 | Lorance Sarah JDirector | Stock Award(Grant) at price 0.00 per share. | 19.4K | — |
| Feb 2, 2026 | Althoff Donald LDirector | Stock Award(Grant) at price 0.00 per share. | 19.4K | — |
| Nov 6, 2025 | Ward Susan F.Director | Sale at price 8.40 per share. | 15K | $126.02K |
| Feb 2, 2025 | Catalano Anna ChengDirector | Stock Award(Grant) at price 0.00 per share. | 25.7K | — |
| Feb 2, 2025 | Fogarty Kevin MichaelDirector | Stock Award(Grant) at price 0.00 per share. | 51.3K | — |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 9.0 | 6.2 | 14.1 | 10.3 | -7.0 | -5.6 | -3.1 | -15.7 | -3.3 | 0.9 | +2.0% | ||
| 2025 | 1.6 | -12.5 | -8.7 | -3.5 | 24.6 | 10.5 | 4.6 | 5.6 | -3.6 | -6.5 | 12.3 | 5.8 | +27.4% |
| 2024 | -5.2 | 4.2 | 15.5 | -15.4 | -1.4 | -3.5 | 6.4 | -24.7 | -4.6 | -2.8 | 19.4 | -3.9 | −21.8% |
| 2023 | 18.4 | -4.3 | 10.1 | 2.7 | -11.5 | 14.1 | 7.2 | -16.7 | -3.9 | -6.5 | 3.5 | 2.6 | +10.3% |
| 2022 | -0.1 | 6.8 | 5.8 | -13.0 | 2.1 | -4.1 | 3.9 | -9.7 | -8.7 | 17.9 | -6.6 | -4.6 | −13.5% |
| 2021 | -3.4 | 11.5 | 8.7 | -16.2 | 16.7 | -6.0 | 1.3 | -16.4 | -10.4 | 0.2 | -18.1 | 7.0 | −28.2% |
| 2020 | -10.9 | -13.3 | -17.9 | 7.5 | 7.1 | 5.5 | -7.3 | -5.1 | -11.9 | 12.7 | 10.6 | 11.5 | −17.0% |
| 2019 | 1.6 | 8.8 | -7.4 | 4.2 | -4.2 | 4.6 | -1.6 | -8.3 | 11.5 | 3.3 | -3.7 | 8.3 | +16.0% |
| 2018 | -0.7 | -18.0 | 4.3 | -0.5 | 18.1 | 9.6 | 0.1 | -1.2 | -1.9 | -8.1 | -4.4 | -3.5 | −10.0% |
| 2017 | -4.9 | 0.6 | -0.3 | −4.6% |
Ecovyst Inc. offers virgin and regenerated sulfuric acid products and services in the United States and internationally. It offers end-to-end logistics for production of alkylate for refineries mining, water treatment, and industrial applications. The company was formerly known as PQ Group Holdings Inc. and changed its name to Ecovyst Inc. in August 2021. Ecovyst Inc. was founded in 1831 and is headquartered in Wayne, Pennsylvania.
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