1 unchanged sentence
Insider Trading Arrangements and Policies
−Removed: No director or officer (as defined in Rule 16a-1(f) promulgated under the Exchange Act) of the Company adopted or terminated any Rule 10b5-1 trading arrangement or any non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K) during the quarter ended June 30, 2025 .
+Added: No director or officer (as defined in Rule 16a-1(f) promulgated under the Exchange Act) of the Company adopted or terminated any Rule 10b5-1 trading arrangement or any non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K) during the quarter ended September 30, 2025 .
Table of Content
3 unchanged sentences
Incorporated by reference to Exhibit 3.1 as filed by the Registrant within its current report on Form 8-K on December 20, 2022.
+Added: 10.1 – Employment Agreement by and between Registrant and Steven Dassing, as amended July 21, 2025 .*†^
– Certification of Chief Executive Officer of the Company pursuant to Rule 13a-14(a) of the Securities Exchange Act of 1934.*
13 unchanged sentences
** Furnished herewith.
+Added: † Management contract or compensatory plan.
+Added: Certain portions of the exhibits that are not material and are of the type Quaker Houghton treats as confidential have been redacted pursuant to Item 601(b)(10)(iv) of Regulation S-K.
+Added: Copies of the unredacted exhibits will be furnished to the SEC upon request.
Table of Content
2 unchanged sentences
/s/ Thomas Coler
−Removed: July 31, 2025
+Added: October 30, 2025
Thomas Coler, Executive Vice President, Chief Financial Officer (officer duly authorized on behalf of, and principal financial officer of, the Registrant)
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.