Company profile
Latest filings (excl ownership)
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Latest ownership filings
SC 13D/A
Ecovyst Inc.
27 Jun 23
SC 13D/A
Ecovyst Inc.
26 May 23
4
JAMES A RATCLIFFE
26 May 23
4
JAMES A RATCLIFFE
20 Dec 21
SC 13D/A
Ecovyst Inc.
20 Dec 21
4
JAMES A RATCLIFFE
23 Nov 21
SC 13D/A
Ecovyst Inc.
23 Nov 21
4
JAMES A RATCLIFFE
5 May 21
SC 13D/A
PQ Group Holdings Inc.
5 May 21
4
JAMES A RATCLIFFE
3 May 21