NEUNewMarket Corporation

1. Aug 13, 2026On 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.Other event · Form 8-K
2. Jul 29, 2026NewMarket Corporation Reports Second Quarter and First Half 2026 Results.Earnings release · press release
3. Apr 23, 2026On April 23, 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 July 1, 2026, to Company shareholders of record at the close of business on June 15, 2026.Shareholder vote results · Form 8-K
4. Apr 22, 2026NewMarket Corporation Reports First Quarter 2026 Results.Earnings release · press release
5. Feb 26, 2026On February 26, 2026, NewMarket Corporation (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 April 1, 2026, to Company shareholders of record at the close of business on March 16, 2026.Other event · Form 8-K
6. Feb 26, 2026On February 26, 2026, the Board of Directors of NewMarket Corporation (the “Company”) elected Bruce R. Hazelgrove, III as a director on the Company’s Board effective immediately.Director or officer change · Form 8-K
7. Feb 18, 2026On February 18, 2026, NewMarket Corporation (the Company) appointed Susan M. Ridlehoover to serve as Principal Accounting Officer, effective immediately.Director or officer change · Form 8-K
8. Feb 11, 2026NewMarket Corporation Reports Fourth Quarter and Full Year 2025 Results.Earnings release · press release
9. Dec 9, 2025On December 9, 2025, Bruce C. Gottwald notified the Board of Directors (the “Board”) of NewMarket Corporation (the “Company”) that he will retire from the Board effective immediately.Director or officer change · Form 8-K
10. Nov 5, 2025On October 31, 2025, NewMarket Corporation (the Company) received notice that Ann P. Pietrantoni, the Company’s Controller and Principal Accounting Officer, is resigning from the Company to pursue other opportunities.Director or officer change · Form 8-K
11. Oct 30, 2025NewMarket Corporation Reports Third Quarter and First Nine Months 2025 Results.Earnings release · press release
12. Oct 30, 2025On October 30, 2025, NewMarket Corporation (the “Company”) issued a press release reporting that the Company’s Board of Directors had approved raising the quarterly dividend approximately 9% from $2.75 per share on the common stock of the Company to $3.00 per share.Other event · Form 8-K

Quoted from SEC EDGAR filings. A current report is filed within four business days of the event it describes.