PQ Group Holdings Inc

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PQ Group Holdings Inc
CIK #0001708035
EDGAR Form CIK 2011 - 2026
10-K [0001708035]
10-Q [0001708035]
3 [0001708035]
4 [0001708035]
8-K [0001708035]
SC 13D [0001708035]
SC 13G [0001708035]
Form 13D/13G Filer Form 13D/13G Subject Filed
Vanguard Capital Management LLC Ecovyst Inc [2026-04-29]
Rubric Capital Management LP Ecovyst Inc [2025-11-14]
Hotchkis & Wiley Capital Management LLC Ecovyst Inc [2024-02-13]
Dimensional Fund Advisors LP Ecovyst Inc [2024-02-09]
BlackRock Inc Ecovyst Inc [2024-01-26]
BlackRock Inc Ecovyst Inc [2023-02-13]
Vanguard Group Inc Ecovyst Inc [2023-02-09]
Ineos Ltd PQ Group Holdings Inc [2019-03-22]
Ineos Investments Partnership PQ Group Holdings Inc [2018-02-14]
CCMP Capital Investors III LP PQ Group Holdings Inc [2018-02-13]
Form 3/4/5 Subject 2011 - 2026
Ecovyst Inc
Lorance Sarah
Humble Patti A
Bitting Kurt
Feehan Michael
Koscinski Joseph S
Ward Susan F
Althoff Donald L
Brown Bryan K
Bradley David A
Fogarty Kevin Michael
Catalano Anna C
Vann George L Jr
Whittleston Paul
Vann Kyle D
Coxon Robert
INEOS Ltd
Ratcliffe James A
CCMP Capital Investors III AV-7 LP
CCMP Capital Investors III AV-8 LP
CCMP Capital Associates III LP
CCMP Capital Investors III Employee LP
CCMP Capital LP
CCMP Capital Investors III AV-9 LP
CCMP Capital Associates III GP LLC
CCMP Capital GP LLC
CCMP Capital Investors III LP
CCMP Capital Investors III AV-10 LP
Quartz Co-Invest LP
CCMP Co-Invest III A GP LLC
Ginns Jonny
Sichko William J Jr
Schneberger Thomas
Chariag Belgacem
Craighead Martin S
Kolberg Ray
Crews Michael C
Beninati Albert F JR
Randolph Scott
Ross Kimberly A
Taylor David James
Behrens Christopher C
INEOS Investments Partnership
Gentilcore James
Lau John
Ferrall Paul
Boyce Michael Ross
McFadden Mark
Toth Robert B
Walsh Timothy J
Brenneman Greg Dean
Currie Andrew
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Ecovyst Inc ECVT
Option (Right to Buy) · derivative
2026-03-12 Option exercise 9,516 $0.00
Ecovyst Inc ECVT
Option (Right to Buy) · derivative
2026-03-12 Option exercise 9,516 $0.00
Ecovyst Inc ECVT
Option (Right to Buy) · derivative
2026-03-12 Option exercise 9,516 $0.00
Ecovyst Inc ECVT
Common Stock
2026-03-12 Option exercise 38,064 $3.04 115,715
Ecovyst Inc ECVT
Option (Right to Buy) · derivative
2026-03-12 Option exercise 9,516 $0.00
Ecovyst Inc ECVT
Common Stock
2026-03-04 Grant 11,052 $11.31 124,998
Ecovyst Inc ECVT
Common Stock
2026-03-04 Grant 11,052 $11.31 124,998
Ecovyst Inc ECVT
Common Stock
2026-02-03 Grant 19,399 $0.00
Ecovyst Inc ECVT
Common Stock
2026-02-03 Grant 116,392 $0.00
Ecovyst Inc ECVT
Common Stock
2026-02-03 Grant 19,399 $0.00
Ecovyst Inc ECVT
Common Stock
2026-02-03 Grant 19,399 $0.00
Ecovyst Inc ECVT
Common Stock
2026-02-03 Grant 19,399 $0.00
Ecovyst Inc ECVT
Common Stock
2026-02-03 Grant 19,399 $0.00
Ecovyst Inc ECVT
Common Stock
2026-02-03 Grant 19,399 $0.00
Ecovyst Inc ECVT
Common Stock
2026-02-03 Grant 27,158 $0.00
Ecovyst Inc ECVT
Common Stock
2026-02-03 Tax withheld 25,925 $10.31 267,287
Ecovyst Inc ECVT
Common Stock
2026-02-03 Grant 19,399 $0.00
Ecovyst Inc ECVT
Common Stock
2026-02-03 Tax withheld 4,834 $10.31 49,839
Ecovyst Inc ECVT
Common Stock
2026-02-03 Grant 38,798 $0.00
Ecovyst Inc ECVT
Common Stock
2026-01-22 Tax withheld 4,246 $10.84 46,027
showing 20 of 200 most recent transactions
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