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): November 4, 2025

INNOSPEC INC.

(Exact name of registrant as specified in its charter)

Commission File Number: 1-13879


Delaware		98-0181725
(State or other jurisdiction of		(IRS Employer
incorporation)		Identification No.)

8310 South Valley Highway, Suite 350

Englewood, Colorado, 80112

(Address of principal executive offices, including zip code)

(303)792-5554

(Registrant’s telephone number, including area code)

(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 obligation of the registrant under any of the following provisions:

[ ]	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:



Title of each class	Trading Symbol(s)	Name of exchange on which registered

Common Stock	IOSP	NASDAQ

Item 2.02 Results of Operations and Financial Condition.

On November 4, 2025, Innospec Inc. (the “Company”) issued a press release announcing its financial results for the fiscal quarter ended September 30, 2025 (the “Press Release”).

Item 7.01 Regulation FD Disclosure

The Press Release also announced that on November 2, 2025, the Company’s Board of Directors declared a semi-annual dividend of $0.87 per share on the Company’s common stock (IOSP). The dividend will be paid on November 26, 2025, to holders of record on November 18, 2025.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

EXHIBIT INDEX

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.

Description

Method of Filing

Press Release dated November 4, 2025, announcing Innospec Inc.’s financial results for the fiscal quarter ended September 30, 2025

Filed Herewith

Cover Page Interactive Data File – the cover page XBRL tags are embedded

within the Inline XBRL document.

INNOSPEC INC. 8-K