http://archive.fast-edgar.com/20260824/AF2ZQ22CZ222G2C2222D2CE2A4NQZ322AO82
Filed on: August 24, 2026
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): August 21, 2026
Ecovyst Inc.
Commission File Number: 001-38221
Delaware 81-3406833
(State or other jurisdiction of
incorporation or organization)
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES... (continue reading...)
UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549
SCHEDULE 14A
Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. 1)
Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐
Check the appropriate box:
☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by... (continue reading...)
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 6-K
REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13a-16 OR 15d-16 UNDER
THE SECURITIES EXCHANGE ACT OF 1934
For the month of August 2026
Commission File Number: 001-40253
Zhihu Inc.
(Registrant’s Name)
18 Xueqing Road
Haidian District, Beijing 100083
People’s Republic of China
(Address of Principal Executive... (continue reading...)
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