Ecovyst Inc.

Related Filers (52)

Financials (27)

10-Q
Friday, 11/3/2023
Quarterly Report for period ending 2023-09-30
10-Q
Tuesday, 8/8/2023
Quarterly Report for period ending 2023-06-30
10-Q
Friday, 5/5/2023
Quarterly Report for period ending 2023-03-31
10-K
Tuesday, 2/28/2023
Annual Report for period ending 2022-12-31
10-Q
Friday, 11/4/2022
Quarterly Report for period ending 2022-09-30
10-Q
Monday, 8/1/2022
Quarterly Report for period ending 2022-06-30
10-Q
Tuesday, 5/3/2022
Quarterly Report for period ending 2022-03-31
10-K
Tuesday, 3/1/2022
Annual Report for period ending 2021-12-31
10-Q
Tuesday, 11/9/2021
Quarterly Report for period ending 2021-09-30
10-Q
Monday, 8/9/2021
Quarterly Report for period ending 2021-06-30
10-Q
Monday, 5/17/2021
Quarterly Report for period ending 2021-03-31
NT 10-Q
Tuesday, 5/11/2021
Notice under Rule 12b25 of inability to timely file all or part of a form 10-Q or 10-QSB for period ending 2021-03-31
10-K
Wednesday, 3/17/2021
Annual Report for period ending 2020-12-31
NT 10-K
Wednesday, 3/17/2021
Notice under Rule 12b25 of inability to timely file all or part of a Form 10-K, 10-KSB, or 10-KT for period ending 2020-12-31
10-Q
Tuesday, 11/3/2020
Quarterly Report for period ending 2020-09-30
10-Q
Monday, 8/3/2020
Quarterly Report for period ending 2020-06-30
10-Q
Monday, 5/11/2020
Quarterly Report for period ending 2020-03-31
10-K
Thursday, 2/27/2020
Annual Report for period ending 2019-12-31
10-Q
Tuesday, 11/5/2019
Quarterly Report for period ending 2019-09-30
10-Q
Thursday, 8/8/2019
Quarterly Report for period ending 2019-06-30
10-Q
Friday, 5/10/2019
Quarterly Report for period ending 2019-03-31
10-K
Friday, 3/1/2019
Annual Report for period ending 2018-12-31
10-Q
Wednesday, 11/7/2018
Quarterly Report for period ending 2018-09-30
10-Q
Friday, 8/10/2018
Quarterly Report for period ending 2018-06-30
10-Q
Friday, 5/11/2018
Quarterly Report for period ending 2018-03-31
10-K
Thursday, 3/22/2018
Annual Report for period ending 2017-12-31
10-Q
Tuesday, 11/14/2017
Quarterly Report for period ending 2017-09-30
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News (85)

8-K
Monday, 12/18/2023
Current report filing
8-K
Tuesday, 11/28/2023
Current report filing
8-K
Thursday, 11/2/2023
Current report filing
8-K
Thursday, 8/3/2023
Current report filing
8-K
Friday, 5/26/2023
Current report filing
8-K
Thursday, 5/11/2023
Current report filing
8-K
Thursday, 5/4/2023
Current report filing
8-K
Tuesday, 4/11/2023
Current report filing
8-K
Monday, 3/6/2023
Current report filing
8-K
Tuesday, 2/28/2023
Current report filing
8-K
Thursday, 12/22/2022
Current report filing
8-K
Friday, 11/25/2022
Current report filing
8-K
Tuesday, 11/15/2022
Current report filing
8-K
Monday, 11/7/2022
Current report filing
8-K
Wednesday, 11/2/2022
Current report filing
8-K
Tuesday, 11/1/2022
Current report filing
8-K
Friday, 8/5/2022
Current report filing
8-K/A
Monday, 8/1/2022
Current report filing
8-K
Monday, 8/1/2022
Current report filing
8-K
Friday, 7/29/2022
Current report filing
8-K
Tuesday, 5/31/2022
Current report filing
8-K
Friday, 4/29/2022
Current report filing
8-K
Thursday, 4/28/2022
Current report filing
8-K
Friday, 2/25/2022
Current report filing
8-K
Tuesday, 11/23/2021
Current report filing
8-K
Tuesday, 11/16/2021
Current report filing
8-K
Tuesday, 11/9/2021
Current report filing
8-K
Tuesday, 9/14/2021
Current report filing
8-K
Thursday, 8/5/2021
Current report filing
8-K/A
Wednesday, 8/4/2021
Current report filing
8-K
Tuesday, 8/3/2021
Current report filing
8-K
Friday, 7/23/2021
Current report filing
8-K
Thursday, 7/15/2021
Current report filing
8-K
Wednesday, 6/30/2021
Current report filing
8-K
Friday, 6/11/2021
Current report filing
8-K
Thursday, 5/6/2021
Current report filing
8-K
Friday, 4/30/2021
Current report filing
8-K
Thursday, 4/29/2021
Current report filing
8-K
Monday, 4/26/2021
Current report filing
8-K
Thursday, 4/8/2021
Current report filing
8-K
Tuesday, 3/23/2021
Current report filing
8-K
Tuesday, 3/16/2021
Current report filing
8-K/A
Tuesday, 3/16/2021
Current report filing
8-K
Tuesday, 3/9/2021
Current report filing
8-K
Thursday, 3/4/2021
Current report filing
8-K
Friday, 12/18/2020
Current report filing
8-K
Tuesday, 11/10/2020
Current report filing
8-K
Friday, 10/30/2020
Current report filing
8-K
Friday, 10/16/2020
Current report filing
8-K
Thursday, 7/30/2020
Current report filing
8-K
Tuesday, 7/28/2020
Current report filing
8-K
Monday, 6/1/2020
Current report filing
8-K
Thursday, 5/28/2020
Current report filing
8-K
Tuesday, 5/5/2020
Current report filing
8-K
Tuesday, 5/5/2020
Current report filing
8-K/A
Wednesday, 4/29/2020
Current report filing
8-K
Thursday, 3/26/2020
Current report filing
8-K
Thursday, 3/12/2020
Current report filing
8-K
Thursday, 3/5/2020
Current report filing
8-K
Thursday, 2/27/2020
Current report filing
8-K
Thursday, 2/20/2020
Current report filing
8-K
Thursday, 2/13/2020
Current report filing
8-K
Monday, 1/27/2020
Current report filing
8-K
Tuesday, 12/3/2019
Current report filing
8-K
Thursday, 11/21/2019
Current report filing
8-K
Friday, 11/1/2019
Current report filing
8-K
Thursday, 10/31/2019
Current report filing
8-K
Thursday, 8/8/2019
Current report filing
8-K
Thursday, 5/16/2019
Current report filing
8-K
Thursday, 5/9/2019
Current report filing
8-K
Monday, 5/6/2019
Current report filing
8-K
Friday, 3/22/2019
Current report filing
8-K
Thursday, 2/21/2019
Current report filing
8-K
Wednesday, 12/26/2018
Current report filing
8-K
Tuesday, 11/6/2018
Current report filing
8-K
Thursday, 8/9/2018
Current report filing
8-K
Thursday, 8/9/2018
Current report filing
8-K
Thursday, 5/10/2018
Current report filing
8-K
Tuesday, 5/8/2018
Current report filing
8-K
Thursday, 3/22/2018
Current report filing
8-K
Wednesday, 3/21/2018
Current report filing
8-K
Friday, 2/9/2018
Current report filing
8-K
Wednesday, 12/13/2017
Current report filing
8-K
Monday, 12/4/2017
Current report filing
8-K
Monday, 11/13/2017
Current report filing
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Other (18)

CORRESP
Thursday, 1/4/2024
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Thursday, 11/30/2023
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
11-K
Tuesday, 6/27/2023
Annual report of employee stock purchase, savings and similar plans
SD
Wednesday, 5/31/2023
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
ARS
Thursday, 4/13/2023
Annual report to security holders
11-K
Monday, 6/27/2022
Annual report of employee stock purchase, savings and similar plans
SD
Tuesday, 5/31/2022
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
11-K
Monday, 6/21/2021
Annual report of employee stock purchase, savings and similar plans
SD
Friday, 5/28/2021
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
11-K
Tuesday, 6/16/2020
Annual report of employee stock purchase, savings and similar plans
SD
Monday, 6/1/2020
Specialized Disclosure Report filed pursuant to Section 1502 of the Dodd-Frank Wall Street Reform and Consumer Protection Act relating to the use of conflict minerals (Rule 13p-1)
11-K
Friday, 6/14/2019
Annual report of employee stock purchase, savings and similar plans
8-A12B
Friday, 9/29/2017
Form for the registration / listing of a class of securities on a national securities exchange pursuant to Section 12(b)
CERTNYS
Friday, 9/29/2017
None
EFFECT
Thursday, 9/28/2017
Notice of Effectiveness
CORRESP
Tuesday, 9/26/2017
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Tuesday, 9/26/2017
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
CORRESP
Tuesday, 9/5/2017
A correspondence can be sent as a document with another submission type or can be sent as a separate submission.
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Ownership (273)

SC 13G/A
Tuesday, 2/13/2024
VANGUARD GROUP INC: Major Shareholders
SC 13G
Tuesday, 2/13/2024
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC: Major Shareholders
SC 13G/A
Monday, 2/12/2024
CCMP Capital Investors III, L.P.: Major Shareholders
SC 13G
Friday, 2/9/2024
DIMENSIONAL FUND ADVISORS LP: Major Shareholders
SC 13G
Friday, 1/26/2024
BlackRock Inc.: Major Shareholders
4
Wednesday, 1/24/2024
Brown Bryan K.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Catalano Anna C: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Feehan Michael: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Bradley David A.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Whittleston Paul: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Vann Kyle D: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Vann George L. Jr.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Fogarty Kevin Michael: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Ward Susan F: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Coxon Robert: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/24/2024
Koscinski Joseph S.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/9/2024
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/9/2024
Vann George L. Jr.: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/9/2024
Feehan Michael: Statement of changes in beneficial ownership of securities
4
Tuesday, 1/9/2024
Whittleston Paul: Statement of changes in beneficial ownership of securities
4
Friday, 8/25/2023
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Friday, 8/25/2023
Feehan Michael: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/5/2023
Vann George L. Jr.: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/5/2023
Feehan Michael: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/5/2023
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Wednesday, 7/5/2023
Koscinski Joseph S.: Statement of changes in beneficial ownership of securities
SC 13D/A
Tuesday, 6/27/2023
INEOS Ltd: Major Shareholders
4
Friday, 5/26/2023
RATCLIFFE JAMES A: Statement of changes in beneficial ownership of securities
SC 13D/A
Friday, 5/26/2023
INEOS Ltd: Major Shareholders
4
Thursday, 3/9/2023
Feehan Michael: Statement of changes in beneficial ownership of securities
4
Thursday, 3/9/2023
Koscinski Joseph S.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/9/2023
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Thursday, 3/9/2023
Coxon Robert: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/7/2023
CCMP Capital, LP: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/7/2023
Vann Kyle D: Statement of changes in beneficial ownership of securities
4
Tuesday, 3/7/2023
CCMP Capital, LP: Statement of changes in beneficial ownership of securities
SC 13G/A
Monday, 2/13/2023
CCMP Capital Investors III, L.P.: Major Shareholders
SC 13G
Monday, 2/13/2023
BlackRock Inc.: Major Shareholders
SC 13G
Thursday, 2/9/2023
VANGUARD GROUP INC: Major Shareholders
4
Tuesday, 1/24/2023
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Ward Susan F: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Brown Bryan K.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Coxon Robert: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Whittleston Paul: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Feehan Michael: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Fogarty Kevin Michael: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Catalano Anna C: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Vann George L. Jr.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Bradley David A.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Koscinski Joseph S.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Vann Kyle D: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/18/2023
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Monday, 1/9/2023
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Monday, 1/9/2023
Feehan Michael: Statement of changes in beneficial ownership of securities
3
Wednesday, 1/4/2023
Whittleston Paul: Initial statement of beneficial ownership of securities
4
Friday, 12/9/2022
Ginns Jonny: Statement of changes in beneficial ownership of securities
4
Friday, 11/18/2022
CCMP Capital, LP: Statement of changes in beneficial ownership of securities
4
Friday, 11/18/2022
Coxon Robert: Statement of changes in beneficial ownership of securities
4
Friday, 11/18/2022
CCMP Capital, LP: Statement of changes in beneficial ownership of securities
4
Friday, 11/18/2022
Feehan Michael: Statement of changes in beneficial ownership of securities
4
Friday, 11/18/2022
Koscinski Joseph S.: Statement of changes in beneficial ownership of securities
4
Friday, 9/16/2022
Coxon Robert: Statement of changes in beneficial ownership of securities
4
Friday, 8/12/2022
Vann George L. Jr.: Statement of changes in beneficial ownership of securities
3
Friday, 8/12/2022
Vann George L. Jr.: Initial statement of beneficial ownership of securities
4
Wednesday, 8/10/2022
CCMP Capital, LP: Statement of changes in beneficial ownership of securities
4
Wednesday, 8/10/2022
CCMP Capital, LP: Statement of changes in beneficial ownership of securities
4
Tuesday, 8/9/2022
Ginns Jonny: Statement of changes in beneficial ownership of securities
4
Monday, 8/8/2022
Schneberger Thomas: Statement of changes in beneficial ownership of securities
4
Monday, 8/8/2022
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Monday, 8/8/2022
Koscinski Joseph S.: Statement of changes in beneficial ownership of securities
4
Monday, 8/8/2022
Vann Kyle D: Statement of changes in beneficial ownership of securities
4
Monday, 8/8/2022
Sichko William J. Jr.: Statement of changes in beneficial ownership of securities
4
Monday, 8/8/2022
Coxon Robert: Statement of changes in beneficial ownership of securities
4
Monday, 8/8/2022
Feehan Michael: Statement of changes in beneficial ownership of securities
3
Tuesday, 8/2/2022
Catalano Anna C: Initial statement of beneficial ownership of securities
4
Tuesday, 8/2/2022
Catalano Anna C: Statement of changes in beneficial ownership of securities
4
Monday, 5/23/2022
Schneberger Thomas: Statement of changes in beneficial ownership of securities
4
Monday, 5/23/2022
Feehan Michael: Statement of changes in beneficial ownership of securities
4
Monday, 5/16/2022
Koscinski Joseph S.: Statement of changes in beneficial ownership of securities
4
Monday, 5/16/2022
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Thursday, 5/12/2022
Bradley David A.: Statement of changes in beneficial ownership of securities
4
Monday, 5/9/2022
Fogarty Kevin Michael: Statement of changes in beneficial ownership of securities
4
Thursday, 5/5/2022
Brown Bryan K.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/5/2022
Bradley David A.: Statement of changes in beneficial ownership of securities
4
Thursday, 5/5/2022
Fogarty Kevin Michael: Statement of changes in beneficial ownership of securities
3
Wednesday, 5/4/2022
Bradley David A.: Initial statement of beneficial ownership of securities
3
Wednesday, 5/4/2022
Brown Bryan K.: Initial statement of beneficial ownership of securities
3
Wednesday, 5/4/2022
Fogarty Kevin Michael: Initial statement of beneficial ownership of securities
4
Thursday, 3/3/2022
Sichko William J. Jr.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/3/2022
Koscinski Joseph S.: Statement of changes in beneficial ownership of securities
4
Thursday, 3/3/2022
Chariag Belgacem: Statement of changes in beneficial ownership of securities
4
Thursday, 3/3/2022
Feehan Michael: Statement of changes in beneficial ownership of securities
4
Thursday, 3/3/2022
Bitting Kurt: Statement of changes in beneficial ownership of securities
SC 13G/A
Wednesday, 2/9/2022
CCMP Capital Investors III, L.P.: Major Shareholders
4
Monday, 1/24/2022
Bitting Kurt: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/19/2022
Chariag Belgacem: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/19/2022
Sichko William J. Jr.: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/19/2022
Feehan Michael: Statement of changes in beneficial ownership of securities
4
Wednesday, 1/19/2022
Ward Susan F: Statement of changes in beneficial ownership of securities
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Prospectus (29)

424B7
Thursday, 5/25/2023
Prospectus filed pursuant to Rule 424(b)(7)
FWP
Wednesday, 5/24/2023
Filing under Securities Act Rules 163/433 of free writing prospectuses
424B7
Wednesday, 5/24/2023
Prospectus filed pursuant to Rule 424(b)(7)
424B7
Monday, 3/6/2023
Prospectus filed pursuant to Rule 424(b)(7)
424B7
Thursday, 3/2/2023
Prospectus filed pursuant to Rule 424(b)(7)
FWP
Thursday, 3/2/2023
Filing under Securities Act Rules 163/433 of free writing prospectuses
424B7
Tuesday, 11/15/2022
Prospectus filed pursuant to Rule 424(b)(7)
FWP
Tuesday, 11/15/2022
Filing under Securities Act Rules 163/433 of free writing prospectuses
424B7
Monday, 11/14/2022
Prospectus filed pursuant to Rule 424(b)(7)
424B7
Thursday, 8/4/2022
Prospectus filed pursuant to Rule 424(b)(7)
FWP
Wednesday, 8/3/2022
Filing under Securities Act Rules 163/433 of free writing prospectuses
424B7
Wednesday, 8/3/2022
Prospectus filed pursuant to Rule 424(b)(7)
S-8
Friday, 1/14/2022
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
424B7
Friday, 11/19/2021
Prospectus filed pursuant to Rule 424(b)(7)
424B7
Tuesday, 11/16/2021
Prospectus filed pursuant to Rule 424(b)(7)
424B7
Thursday, 4/29/2021
Prospectus filed pursuant to Rule 424(b)(7)
S-3ASR
Monday, 4/26/2021
Automatic shelf registration statement of securities of well-known seasoned issuers
424B7
Monday, 4/26/2021
Prospectus filed pursuant to Rule 424(b)(7)
S-8
Monday, 10/1/2018
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
424B4
Monday, 10/2/2017
Prospectus filed pursuant to Rule 424(b)(4)
S-8
Monday, 10/2/2017
Initial registration statement for securities to be offered to employees pursuant to employee benefit plans
FWP
Friday, 9/29/2017
Filing under Securities Act Rules 163/433 of free writing prospectuses
S-1/A
Monday, 9/25/2017
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Monday, 9/25/2017
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Tuesday, 9/19/2017
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Friday, 9/1/2017
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Monday, 8/14/2017
General form of registration statement for all companies including face-amount certificate companies
S-1/A
Tuesday, 7/18/2017
General form of registration statement for all companies including face-amount certificate companies
S-1
Friday, 6/9/2017
General form of registration statement for all companies including face-amount certificate companies
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Proxies (7)

DEF 14A
Thursday, 4/13/2023
Definitive proxy statements
DEF 14A
Friday, 4/29/2022
Definitive proxy statements
DEF 14A
Thursday, 4/1/2021
Definitive proxy statements
DEF 14A
Thursday, 3/26/2020
Definitive proxy statements
DEFA14A
Friday, 4/19/2019
Definitive additional proxy soliciting materials including Rule 14(a)(12) material. Note: Submission type DEFA14A can be filed as part of Form 8-K. For filers subject to 8-K filing requirements, we recommend the use of the 8-K combined form type as the easiest method for fulfilling your filing requirement for both forms.
DEF 14A
Tuesday, 3/26/2019
Definitive proxy statements
DEF 14A
Thursday, 4/5/2018
Definitive proxy statements
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