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BCS

Current Report · Items 8.01, 9.01 · 8-K

NewMarket Corporation

NEUNYSEEQUITYCurrent

Other Events

Item 8.01 Other Events. On August 13, 2026, the Company issued a press release reporting that the Company’s Board of Directors had declared a dividend of $3.00 per share of the Company’s common stock, payable on October 1, 2026, to Company shareholders of record at the close of business on September 15, 2026. A copy of this press release is attached hereto as Exhibit 99.1 and incorporated herein by reference.

Filed Aug 13, 2026Accepted Aug 13, 2026, 5:05 PM EDTCIK 1282637Accession 0001193125-26-349568
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Company context

Current securities

Recent company filings

  1. Other EventsOct 29, 2026
  2. 10-Q filingOct 29, 2026
  3. Results of Operations and Financial ConditionOct 28, 2026
  4. 4 filingOct 6, 2026
  5. 4 filingSep 10, 2026

Registered securities in this filing

NEWMARKET CORP · 8-K · Filed 2026-08-13

As filed in this accession. Current/historical status below comes from the governed listing record; the cover itself remains exact to this filing.

Common Stock, without par value

Symbol
NEU
Exchange
NYSE
Classification
COMMON
Status
Current
Filing context

Context: duration_2026-08-13_to_2026-08-13

Dimensions: Not supplied

Accession 000119312526349568 · 1 registered-security cover member

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Disclosure sections

Items 8.01, 9.01

Select an item to read the extracted section. The as-filed document remains the primary evidence.

Item 8.01Item 8.01 - Other Events
Item 8.01 Other Events. On August 13, 2026, the Company issued a press release reporting that the Company’s Board of Directors had declared a dividend of $3.00 per share of the Company’s common stock, payable on October 1, 2026, to Company shareholders of record at the close of business on September 15, 2026. A copy of this press release is attached hereto as Exhibit 99.1 and incorporated herein by reference.
Filed exhibits (1)
EX-99.1 (by filename) d157718dex991.htm

EX-99.1 2 d157718dex991.htm EX-99.1 EX-99.1 EXHIBIT 99.1 NEWMARKET CORPORATION ANNOUNCES QUARTERLY DIVIDEND Richmond, VA, August 13, 2026 - The Board of Directors of NewMarket Corporation (NYSE: NEU) declared a quarterly dividend in the amount of $3.00 per share on the common stock of the Corporation. The dividend is payable October 1, 2026, to NewMarket shareholders of record at the close of business on September 15, 2026. NewMarket Corporation is a holding company operating through its subsidiaries, Afton Chemical Corporation (Afton), Ethyl Corporation (Ethyl), American Pacific Corporation (AMPAC) and Calca Solutions, LLC (Calca). The Afton and Ethyl companies develop, manufacture, blend, and deliver chemical additives that enhance the performance of petroleum products. AMPAC is a manufacturer of specialty materials primarily used in solid rocket motors for the aerospace and defense industries. Calca is the nation’s leading producer of Ultra Pure and high-purity hydrazine - essential, mission-critical propellants that enable advanced aerospace and defense applications. The NewMarket family of companies has a long-term commitment to its people, to safety, to providing inno…

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