UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 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): June 30, 2021

Venator Materials PLC

(Exact name of registrant as specified in its charter)

Titanium House, Hanzard Drive, Wynyard Park,

Stockton-On-Tees, TS22 5FD, United Kingdom

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s telephone number, including area code: +44 (0) 1740 608 001

Not applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions (see General Instruction A.2. below):

¨    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company  ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ¨

Securities registered pursuant to Section 12(b) of the Act:

Item 8.01. Other Events.

On June 30, 2021, being the last day of the second fiscal quarter of Venator Materials PLC (the “Company”) and the date on which the Company’s qualification as a “foreign private issuer” is measured under Rule 3b-4 of the Securities Exchange Act of 1934, as amended (the “Exchange Act), the Company determined that it qualifies as a foreign private issuer. Accordingly, effective immediately after the filing of this Form 8-K, the Company will begin reporting under the Exchange Act as a foreign private issuer, including filing annual reports on Form 20-F and furnishing quarterly reports on Form 6-K.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: July 2, 2021