| Data | Ora | Fonte | Titolo | Simbolo | Compagnia |
| 27/06/2023 | 22:23 | Edgar (US Regulatory) | Annual Report of Employee Stock Plans (11-k) | NYSE:PQG | PQ Group Holdings Inc |
| 31/05/2023 | 12:44 | Edgar (US Regulatory) | Specialized Disclosure Report (sd) | NYSE:PQG | PQ Group Holdings Inc |
| 25/05/2023 | 22:23 | Edgar (US Regulatory) | Prospectus Filed Pursuant to Rule 424(b)(7) (424b7) | NYSE:PQG | PQ Group Holdings Inc |
| 24/05/2023 | 12:00 | Edgar (US Regulatory) | Free Writing Prospectus - Filing Under Securities Act Rules 163/433 (fwp) | NYSE:PQG | PQ Group Holdings Inc |
| 11/05/2023 | 22:18 | Edgar (US Regulatory) | Current Report Filing (8-k) | NYSE:PQG | PQ Group Holdings Inc |
| 05/05/2023 | 22:59 | Edgar (US Regulatory) | Quarterly Report (10-q) | NYSE:PQG | PQ Group Holdings Inc |
| 13/04/2023 | 22:17 | Edgar (US Regulatory) | Proxy Statement (definitive) (def 14a) | NYSE:PQG | PQ Group Holdings Inc |
| 10/03/2023 | 00:14 | Edgar (US Regulatory) | Statement of Changes in Beneficial Ownership (4) | NYSE:PQG | PQ Group Holdings Inc |
| 28/02/2023 | 23:59 | Edgar (US Regulatory) | Annual Report (10-k) | NYSE:PQG | PQ Group Holdings Inc |
| 13/02/2023 | 22:19 | Edgar (US Regulatory) | Amended Statement of Ownership (sc 13g/a) | NYSE:PQG | PQ Group Holdings Inc |
| 13/02/2023 | 16:41 | Edgar (US Regulatory) | Statement of Ownership (sc 13g) | NYSE:PQG | PQ Group Holdings Inc |
| 04/01/2023 | 22:16 | Edgar (US Regulatory) | Initial Statement of Beneficial Ownership (3) | NYSE:PQG | PQ Group Holdings Inc |
| 01/08/2022 | 13:31 | Edgar (US Regulatory) | Amended Current Report Filing (8-k/a) | NYSE:PQG | PQ Group Holdings Inc |
| 20/12/2021 | 23:06 | Edgar (US Regulatory) | Amended Statement of Beneficial Ownership (sc 13d/a) | NYSE:PQG | PQ Group Holdings Inc |
| 02/08/2021 | 19:22 | Business Wire | Ecovyst Launches as a High Growth, Pure-Play Catalysts and Services Company; Performance Chemicals Sale Completed | NYSE:PQG | PQ Group Holdings Inc |
| 22/07/2021 | 12:15 | Business Wire | PQ Group Holdings Announces Date and Details for Corporate Name Change to Ecovyst Inc. and Second Quarter 2021 Earnings Conference Call | NYSE:PQG | PQ Group Holdings Inc |
| 27/05/2021 | 18:10 | Business Wire | PQ Group Holdings Announces Successful Pricing and Allocation of Senior Secured Term Loan Facility | NYSE:PQG | PQ Group Holdings Inc |
| 11/05/2021 | 22:16 | Edgar (US Regulatory) | Notification That Quarterly Report Will Be Submitted Late (nt 10-q) | NYSE:PQG | PQ Group Holdings Inc |
| 06/05/2021 | 12:15 | Business Wire | PQ Group Reports Solid First Quarter 2021 Results from Continuing Operations; Reiterates 2021 Outlook | NYSE:PQG | PQ Group Holdings Inc |
| 03/05/2021 | 19:51 | Business Wire | PQ Group Holdings to Host First Quarter 2021 Earnings Conference Call and Webcast on Thursday, May 6, 2021 at 11:00 a.m. ET | NYSE:PQG | PQ Group Holdings Inc |
| 29/04/2021 | 01:57 | Business Wire | PQ Group Holdings Announces Pricing of Secondary Offering | NYSE:PQG | PQ Group Holdings Inc |
| 26/04/2021 | 22:31 | Business Wire | PQ Group Holdings Announces Secondary Offering of 12,500,000 Shares of Common Stock by Selling Stockholders | NYSE:PQG | PQ Group Holdings Inc |
| 26/04/2021 | 22:26 | Edgar (US Regulatory) | Automatic Shelf Registration Statement of Securities of Well-known Seasoned Issuers (s-3asr) | NYSE:PQG | PQ Group Holdings Inc |
| 26/04/2021 | 22:06 | Business Wire | PQ Group Holdings Announces Preliminary First Quarter 2021 Results from Continuing Operations; Solid Performance despite Texa... | NYSE:PQG | PQ Group Holdings Inc |
| 08/04/2021 | 22:15 | Business Wire | PQ Group Holdings Details Strategy, Sustainability Goals and Growth Outlook through 2025; Unveils Future Rebranding as ecovyst | NYSE:PQG | PQ Group Holdings Inc |
| 07/04/2021 | 12:15 | Business Wire | PQ Group Holdings to Host Virtual Investor Conference on Thursday, April 8, 2021 at 10:00 ET; Focus will be Target PQ, a High... | NYSE:PQG | PQ Group Holdings Inc |
| 25/03/2021 | 22:00 | Business Wire | PQ Group Holdings to Host Virtual Investor Conference on Thursday, April 8, 2021; Focus Will Be On Target PQ, a High Growth P... | NYSE:PQG | PQ Group Holdings Inc |
| 23/03/2021 | 11:15 | Business Wire | PQ Group Holdings Announces Planned Chief Financial Officer Transition | NYSE:PQG | PQ Group Holdings Inc |
| 09/03/2021 | 12:15 | Business Wire | PQ Group Reports Fourth Quarter & Full Year 2020 Results from Continuing Operations; Achieved Significant Milestones on Strat... | NYSE:PQG | PQ Group Holdings Inc |
| 03/03/2021 | 12:15 | Business Wire | PQ Group Holdings to Host Fourth Quarter & Full Year 2020 Earnings Conference Call & Webcast on Tuesday, March 9, 2021 at 11:... | NYSE:PQG | PQ Group Holdings Inc |