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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 485,909 shares (grant or award)
  2. 4 Grant or award See Remarks acquired 218,660 shares (grant or award)
  3. 4 Grant or award See Remarks acquired 218,660 shares (grant or award)
  4. 4 Grant or award See Remarks acquired 218,660 shares (grant or award)
  5. 4 Grant or award See Remarks acquired 194,364 shares (grant or award)
  6. 4 Grant or award Director acquired 19,436 shares (grant or award)
  7. 4 Grant or award Director acquired 19,436 shares (grant or award)
  8. 4 Grant or award Director acquired 19,436 shares (grant or award)
  9. 4 Grant or award See Remarks acquired 170,069 shares (grant or award)
  10. 4 Grant or award Director acquired 19,436 shares (grant or award)
  11. S-8 Other Securities Offered to Employees in Benefit Plans
  12. 4 Shares withheld for taxes See Remarks gave up 901 shares (to pay taxes)
  13. 4 Shares withheld for taxes See Remarks gave up 1,090 shares (to pay taxes)
  14. 4 Shares withheld for taxes See Remarks gave up 4,163 shares (to pay taxes)
  15. 4 Open-market sale 10% owner sold 783,745 shares at $9.12 ($7,147,754)
  16. 4 Open-market sale 10% owner sold 783,745 shares at $9.12 ($7,147,754)
  17. 4 Open-market sale 10% owner sold 416,255 shares at $9.12 ($3,796,246)
  18. SC 13D/A Stake Beneficial Ownership Report
  19. 4 Open-market buy Director bought 52,631 shares at $9.46 ($497,663)
  20. 4 Open-market sale 10% owner sold 5,224,966 shares at $9.12 ($47,651,690)

Page 15 of 29 · 576 filings