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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 Shares withheld for taxes See Remarks gave up 2,982 shares (to pay taxes)
  2. 4 Shares withheld for taxes See Remarks gave up 14,160 shares (to pay taxes)
  3. 4 Shares withheld for taxes See Remarks gave up 4,820 shares (to pay taxes)
  4. 4 Shares withheld for taxes See Remarks gave up 27,060 shares (to pay taxes)
  5. 4 Shares withheld for taxes See Remarks gave up 3,594 shares (to pay taxes)
  6. 4 Shares withheld for taxes See Remarks gave up 17,457 shares (to pay taxes)
  7. 4 Open-market buy See Remarks bought 7,800 shares at $6.51 ($50,739)
  8. 4 Open-market buy See Remarks bought 4,807 shares at $6.26 ($30,090)
  9. 4 Open-market buy See Remarks bought 16,000 shares at $6.28 ($100,542)
  10. 4 Open-market buy See Remarks bought 5,000 shares at $6.27 ($31,350)
  11. 4 Grant or award Director acquired 13,303 shares (grant or award)
  12. 3 Insider Initial Statement of Ownership
  13. 4 Open-market sale Director sold 24,436 shares at $10.28 ($251,307)
  14. 4 Grant or award Director acquired 18,077 shares (grant or award)
  15. 3 Insider Initial Statement of Ownership
  16. 4 Grant or award Director acquired 22,701 shares (grant or award)
  17. 4 Grant or award See Remarks acquired 20,432 shares (grant or award)
  18. 4 Grant or award See Remarks acquired 22,702 shares (grant or award)
  19. 4 Grant or award Director acquired 22,701 shares (grant or award)
  20. 4 Grant or award See Remarks acquired 13,621 shares (grant or award)

Page 3 of 16 · 309 filings