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CIK 0001708035 · Large accelerated filer

Ecovyst Inc.

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Ticker
ECVT
Exchange
NYSE
Industry
Chemicals & Allied Products
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
813406833
Phone
484-617-1200
Business address
600 LEE ROAD, SUITE 200, WAYNE, PA, 19087
Former names
PQ Group Holdings Inc.
  1. 4 Grant or award See Remarks acquired 25,674 shares (grant or award)
  2. 4 Grant or award See Remarks acquired 35,944 shares (grant or award)
  3. 4 Grant or award Director acquired 51,348 shares (grant or award)
  4. 4 Grant or award Director acquired 25,674 shares (grant or award)
  5. 8-K Event Material agreement · New debt or obligation
  6. 4 Shares withheld for taxes See Remarks gave up 1,482 shares (to pay taxes)
  7. 4 Shares withheld for taxes See Remarks gave up 14,315 shares (to pay taxes)
  8. 4 Shares withheld for taxes See Remarks gave up 2,382 shares (to pay taxes)
  9. 4 Shares withheld for taxes See Remarks gave up 5,522 shares (to pay taxes)
  10. 4 Shares withheld for taxes See Remarks gave up 2,982 shares (to pay taxes)
  11. 4 Shares withheld for taxes See Remarks gave up 14,160 shares (to pay taxes)
  12. 4 Shares withheld for taxes See Remarks gave up 4,820 shares (to pay taxes)
  13. 4 Shares withheld for taxes See Remarks gave up 27,060 shares (to pay taxes)
  14. 4 Shares withheld for taxes See Remarks gave up 3,594 shares (to pay taxes)
  15. 4 Shares withheld for taxes See Remarks gave up 17,457 shares (to pay taxes)
  16. 8-K Event Executive or director change
  17. SC 13G/A Stake Amended Statement of Ownership
  18. 10-Q Report Quarterly Report
  19. 8-K Event Results of operations
  20. SC 13G/A Stake Amended Statement of Ownership

Page 5 of 29 · 576 filings