Ecovyst Inc. ECVT · SEC Filings

617

Ecovyst Inc. is a global provider of specialized catalysts and related services, with operations spa...

Price10.76

Market Cap1.18 B

Float98.35 M

CountryUS

SectorBasic Materials

ExchangeNYSE

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Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 5, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Aug 6, 2026

11-K

Form 11-K - Annual report of employee stock purchase, savings and similar plans

Jun 22, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

May 5, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Feb 27, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Nov 5, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Ecovyst Reports Third Quarter 2026 Results and Raises 2026 Outlook

Nov 5, 2026

8-K

Ecovyst Inc. Approves Second Amended and Restated Severance Plan

Oct 28, 2026

8-K

Ecovyst Announces Chief Financial Officer Transition

Aug 24, 2026

8-K

Ecovyst Inc. Reports Financial Results for the Second Quarter Ended June 30, 2026

Aug 5, 2026

8-K

Ecovyst Inc. Completes Acquisition of INEOS Calabrian and Secures $100 Million Incremental Term Loan

Jun 30, 2026

8-K

Ecovyst Inc. Announces Results of 2026 Annual Meeting of Stockholders

May 21, 2026

Prospectus

TYPE

HEADLINE

FILED AT

424B7

Form 424B7 - Prospectus [Rule 424(b)(7)]

May 25, 2023

424B7

Form 424B7 - Prospectus [Rule 424(b)(7)]

May 23, 2023

424B7

Form 424B7 - Prospectus [Rule 424(b)(7)]

Mar 6, 2023

424B7

Form 424B7 - Prospectus [Rule 424(b)(7)]

Mar 2, 2023

424B7

Form 424B7 - Prospectus [Rule 424(b)(7)]

Nov 15, 2022

424B7

Form 424B7 - Prospectus [Rule 424(b)(7)]

Nov 14, 2022

Registrations

TYPE

HEADLINE

FILED AT

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

May 23, 2023

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Mar 2, 2023

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Nov 14, 2022

FWP

Form FWP - Filing under Securities Act Rules 163/433 of free writing prospectuses

Aug 3, 2022

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Jan 14, 2022

S-3ASR

Common Stock-

Apr 26, 2021

Proxies

TYPE

HEADLINE

FILED AT

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 15, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 8, 2025

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

May 6, 2024

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 8, 2024

PRE 14A

Form PRE 14A - Other preliminary proxy statements

Mar 15, 2024

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 13, 2023

Ownerships

TYPE

HEADLINE

FILED AT

SCHEDULE 13G

FMR LLC (Filed by)

Nov 5, 2026

4

Humble Patti A. (Reporting)

Sep 14, 2026

4

Bergman Laurie (Reporting)

Aug 26, 2026

3

Bergman Laurie (Reporting)

Aug 26, 2026

SCHEDULE 13G

VANGUARD PORTFOLIO MANAGEMENT LLC (Filed by)

Jul 31, 2026

144

Form 144 - Report of proposed sale of securities

Jul 17, 2026

Other

TYPE

HEADLINE

FILED AT

SD

Form SD - Specialized disclosure report

May 30, 2025

SD

Form SD - Specialized disclosure report

May 31, 2024

LETTER

Form UPLOAD - SEC-generated letter

Jan 10, 2024

CORRESP

Form CORRESP - Correspondence

Jan 4, 2024

LETTER

Form UPLOAD - SEC-generated letter

Dec 19, 2023

CORRESP

Form CORRESP - Correspondence

Nov 30, 2023