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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 Option exercise See Remarks acquired 19,861 shares (option exercise)
  2. 8-K Event Material agreement · Other events
  3. 424B7 Offering Prospectus
  4. FWP Offering Free Writing Prospectus
  5. 424B7 Offering Prospectus
  6. 8-K Event Executive or director change
  7. 10-Q Report Quarterly Report
  8. 8-K Event Executive or director change
  9. 8-K Event Results of operations
  10. 4 Open-market buy Director bought 10,000 shares at $8.70 ($87,028)
  11. 4 Grant or award See Remarks acquired 14,750 shares (grant or award)
  12. 3 Insider Initial Statement of Ownership
  13. 4 Open-market sale 10% owner sold 14,950,030 shares at $8.36 ($124,926,936)
  14. 4 Open-market sale 10% owner sold 14,950,000 shares at $8.36 ($124,926,685)
  15. 4 Open-market buy Director bought 40,941 shares at $8.91 ($364,592)
  16. 4 Open-market buy See Remarks bought 11,400 shares at $8.79 ($100,253)
  17. 4 Open-market buy See Remarks bought 11,376 shares at $8.80 ($100,060)
  18. 4 Open-market buy See Remarks bought 10,750 shares at $8.85 ($95,162)
  19. 4 Open-market buy See Remarks bought 11,389.69 shares at $8.78 ($100,000)
  20. 4 Open-market buy Director bought 10,000 shares at $8.77 ($87,696)

Page 12 of 29 · 576 filings