Item 5. Other Information
ITEM 5. Other Information
During the quarter ended June 30, 2026, no director or officer (as defined in Rule 16a-1(f) under the Exchange Act) of NewMarket Corporation adopted or terminated a "Rule 10b5-1 trading arrangement" or "non-Rule 10b5-1 trading arrangement," as each term is defined in Item 408(a) or Regulation S-K.
ITEM 6. Exhibits
Exhibit 3.1
Articles of Incorporation Amended and Restated effective April 27, 2012 (incorporated by reference to Exhibit 3.1 to Form 8-K (File No. 1-32190) filed April 30, 2012)
Exhibit 3.2
NewMarket Corporation Bylaws Amended and Restated effective August 6, 2015 (incorporated by reference to Exhibit 3.1 to Form 8-K (File No. 1- 32190) filed August 6, 2015)
Exhibit 31(a)
Certification pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 by Thomas E. Gottwald
Exhibit 31(b)
Certification pursuant to Rule 13a-14(a) under the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 by Timothy K. Fitzgerald
Exhibit 32(a)
Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 by Thomas E. Gottwald
Exhibit 32(b)
Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 by Timothy K. Fitzgerald
Exhibit 101 Inline XBRL Instance Document and Related Items (the instance document does not appear in the Interactive Data File because its Inline XBRL tags are embedded within the Inline XBRL document)
Exhibit 104 Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)
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Table of Contents
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 thereunto duly authorized.
NEWMARKET CORPORATION
(Registrant)
Date: July 30, 2026 By: /s/ Timothy K. Fitzgerald
Timothy K. Fitzgerald
Vice President and
Chief Financial Officer
(Principal Financial Officer)
Date: July 30, 2026 By: /s/ Susan M. Ridlehoover
Susan M. Ridlehoover
Controller
(Principal Accounting Officer)
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Text extracted from the filing as submitted to EDGAR. Formatting, tables and exhibits are simplified for reading; the original document is authoritative for anything you rely on.