Ecovyst Inc. 

PA

  SEC # 1708035

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458  SEC Filings   from  6/9/17  to  4/8/24  (2 Weeks Ago)

List All Filings	or	Filer / Offerer   Owner / Insider   Issuer / Subject Company   Filing Agent
Most-Recent Filing:		‘ARS’ — Annual Report to Security Holders — for 12/31/23 — Filed as:  Filer / Offerer
New-Filing E-Mail:			Send me notifications of all Filings involving  Ecovyst Inc.

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Forms , Documents & Exhibits  in  172 Filings  Filed as:  Filer / Offerer  or  Owner / Insider

        

Latest Filing			Type		Category	Description		Documents
4/8/24			ARS		Update:		Annual Reports to Security Holders	2
4/8/24			DEF 14A		Proxy:		Definitive Proxy Statements — Schedule 14A    — Financial Reports	7
3/15/24			PRE 14A		Proxy:		Preliminary Proxy Statement — Schedule 14A — Financial Reports	1
2/29/24			10-K		Update:		Annual Reports — Form 10-K — Financial Reports	7
2/28/24			8-K		Update:		Current Reports — Form 8-K — Press Releases & Conference Calls  — Financial Reports	87
					8-K Items:
5/26/23			Business & Operations:			•	Entry into a Material Definitive Agreement — Item 1.01 — ↓‘EX-10’	16
8/3/21	OLD		"			•	Termination of a Material Definitive Agreement — Item 1.02  OLD  — ↓‘EX-10’	4
8/3/21	OLD		Financial Info:			•	Completion of Acquisition or Disposition of Assets — Item 2.01  OLD  — ↓‘EX-2’	2
2/28/24			"			•	Results of Operations and Financial Condition — Item 2.02 — Financial Reports	30
6/11/21	OLD		"			•	Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant — Item 2.03  OLD  — ↓‘EX-10’	6
12/18/20	OLD		"			•	Triggering Events That Accelerate or Increase a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement — Item 2.04  OLD  — ↓‘EX-10’	1
2/28/24			Governance & Management:			•	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers — Item 5.02 — List of Directors & Officers	25
8/3/21	OLD		"			•	Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year — Item 5.03  OLD  — ↓‘EX-3’	1
5/11/23			"			•	Submission of Matters to a Vote of Security Holders — Item 5.07	6
12/18/23			Disclosures:			•	Regulation FD Disclosure — Item 7.01 — ↓‘EX-99’	13
2/28/24			Events:			•	Other Events — Item 8.01	16
2/28/24			Financials:			•	Financial Statements and Exhibits — Item 9.01 — Financial Reports	64
1/4/24			CORRESP		Comment:		Comment-Response and Other Letters to the SEC  [ a.k.a. COVER ] — All Correspondence with the SEC	11
11/3/23			10-Q		Update:		Quarterly Reports — Form 10-Q — Financial Reports	19
6/27/23			11-K		Update:		Annual Reports by Employee Stock Purchase, Savings and Similar Plans — Form 11-K	5
5/31/23			SD		Update:		Specialized Disclosure Reports re: Uses of Conflict Minerals — Form SD	4
5/25/23			424B7		Registration:		Prospectuses – Selling Security Holders – Info Previously Omitted	12
5/23/23			FWP		Registration:		Prospectuses – Free Writing	5
1/14/22	OLD		S-8		Registration:		Registration Statements – Securities for Certain Employee Benefit Plans — Form S-8  OLD	3
5/11/21	OLD		NT 10-Q		Update:		Notice of a Late Filing of a Form 10-Q Quarterly Report — Form 12b-25  OLD	1
4/26/21	OLD		S-3ASR		Registration:		Automatic Shelf Registration Statement by a Well-Known Issuer — Form S-3  OLD	1
3/17/21	OLD		NT 10-K		Update:		Notice of a Late Filing of a Form 10-K Annual Report — Form 12b-25  OLD	1
4/19/19	OLD		DEFA14A		Proxy:		Definitive Additional Proxy Soliciting Material — Schedule 14A  OLD	1
10/2/17	OLD		424B4		Registration:		Prospectus – Info Previously Omitted & New Facts or Events  OLD	1
9/29/17	OLD		CERTNYS		Trading:		Certification by the NYSE Approving a Listing — Form CERT  OLD	1
9/29/17	OLD		8-A12B		Registration:		Registration Statement for a Class of Securities — Form 8-A  OLD	1
9/29/17	OLD		EFFECT		SEC:		SEC Notice of Effectiveness  OLD	1
9/25/17	OLD		S-1		Registration:		Registration Statements (General Form) — Form S-1  OLD	7
					General Exhibits:
2/29/24			EX-97		Clawback Policy re: Recovery of Erroneously Awarded Compensation			1
2/29/24			EX-23		Consents of Experts and Counsel			56
2/29/24			EX-21		Subsidiaries Lists			9
5/26/23			EX-5		Opinions of Counsel re: Legality			11
5/26/23			EX-1		Underwriting Agreements  (and mislabeled “1st Exhibits”)			7
5/25/23			EX-FILING FEES		Filing Fees			4
2/28/23	OLD		EX-10		Material Contracts  OLD			65
3/1/22	OLD		EX-4		Instruments, Including Indentures, Defining the Rights of Security Holders  OLD			13
11/9/21	OLD		EX-3		Articles of Incorporation/Organization and Bylaws  OLD			6
7/15/21	OLD		EX-2		Plans of Acquisitions, Reorganizations, Arrangements, Liquidations and Successions  OLD			4
					Additional Exhibits:
2/28/24			EX-99		Miscellaneous Exhibits, such as Press Releases — Press Releases & Conference Calls			54
					Financials:
4/8/24			XML  &  R#		IDEA Financial Reports Info    — Financial Reports			3,101
4/8/24			EX-101.*		XBRL Data  (XBRL Files)			377
4/8/24			JSON		XBRL Instances as JavaScript Object Notation Data  (JSON Files)			91
4/8/24			ZIP		XBRL Zipped Folders   (Folders of XBRL Files)			98
3/15/24			EXCEL		IDEA Workbooks of Financial Reports Info — Workbooks of Financial Reports			97
2/29/24			EX-31		Certifications — §302 – SOA’02			52
2/29/24			EX-32		Certifications — §906 – SOA’02			52
8/14/17	OLD		EX-16		Letter re: a Change in Accountant  OLD			1
					Graphics:
4/8/24			GRAPHIC		Photos, Images and Graphs			789

Forms , Documents & Exhibits  in  291 Filings  Filed re:  Issuer / Subject Company

        

List all Money Managers that own this Security Issuer:  CUSIP 27923Q

        

Latest Filing			Type		Category	Description		Documents
3/26/24			4		Ownership:		Statements of Changes in Beneficial Ownership of Securities by Insiders — Form 4	217
3/22/24			144		Ownership:		Notice of a Proposed Sale of Securities by an Insider — Form 144	1
3/8/24			3		Ownership:		Initial Statements of Beneficial Ownership of Securities by Insiders — Form 3	40
2/13/24			SC 13G		Ownership:		Statements of Acquisitions of Beneficial Ownership by “Passive” Investors — Schedule 13G	12
6/27/23			SC 13D		Ownership:		Statements of Acquisitions of Beneficial Ownership by “Active” Investors — Schedule 13D	7
5/23/23			FWP		Registration:		Prospectuses – Free Writing	5
					Letters:
1/10/24			LETTER		Comment and Other Letters from the SEC  [ a.k.a. UPLOAD ] — All Correspondence with the SEC			9
1/10/24			TEXT-EXTRACT		Comment and Other Letters from the SEC – PDFs’ Text  [ a.k.a. LETTER ]			3
					General Exhibits:
3/8/24			EX-24		Powers of Attorney			33
					Additional Exhibits:
5/26/23			EX-99		Miscellaneous Exhibits, such as Press Releases			3
					Graphics:
3/8/24			GRAPHIC		Photos, Images and Graphs			8

        

Filings History

Year		# of Filings
2024		33
2023		62
2022		81
2021		77
2020		52
2019		49
2018		44
2017		60