Company Analysis

NewMarket Corporation (NEU)

NYSE: NEU · Industrial Organic Chemicals · Richmond, VA · filing with the SEC since 2004
Grade7.3
◀ Past 7.6● Present 8.0▶ Future 6.0

Filings

247 filings since 2017 beside 178 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 28 days after the quarter ended. The proxy statement was last filed Mar 12, 2026.

Filings a yearinsider forms included
3942383350504239
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 6 times in the last 36 months, the newest Feb 26, 2026.
Insider forms 178

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Oct 29, 2026 10-Q Quarterly report Sep 30, 2026
Oct 29, 2026 8-K items 8.01, 9.01 Other event · Current report
Oct 28, 2026 8-K items 2.02, 9.01 Results released · Current report
Aug 13, 2026 8-K items 8.01, 9.01 Other event · Current report
Jul 30, 2026 10-Q Quarterly report Jun 30, 2026
Jul 29, 2026 8-K items 2.02, 9.01 Results released · Current report
May 18, 2026 11-K Employee plan annual report Dec 31, 2025
May 14, 2026 SCHEDULE 13G/A Large holder update, amended
Apr 23, 2026 10-Q Quarterly report Mar 31, 2026
Apr 23, 2026 8-K items 5.07, 8.01, 9.01 Shareholder vote; Other event · Current report
Apr 22, 2026 8-K items 2.02, 9.01 Results released · Current report
Mar 27, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 12, 2026 ARS Annual report to shareholders Dec 31, 2025
Mar 12, 2026 DEFA14A Extra proxy material
Mar 12, 2026 DEF 14A Proxy statement Apr 23, 2026
Feb 26, 2026 8-K items 8.01, 9.01 Other event · Current report
Feb 26, 2026 8-K items 5.02, 9.01 Officer or director change · Current report
Feb 18, 2026 8-K item 5.02 Officer or director change · Current report
Feb 12, 2026 10-K Annual report Dec 31, 2025
Feb 11, 2026 8-K items 2.02, 9.01 Results released · Current report
Jan 7, 2026 SCHEDULE 13D/A Activist holder update, amended
Dec 9, 2025 8-K item 5.02 Officer or director change · Current report
Nov 5, 2025 8-K item 5.02 Officer or director change · Current report Oct 31, 2025
Oct 31, 2025 10-Q Quarterly report Sep 30, 2025
Oct 30, 2025 8-K items 2.02, 9.01 Results released · Current report
Oct 30, 2025 8-K items 8.01, 9.01 Other event · Current report
Aug 14, 2025 SCHEDULE 13G/A Large holder update, amended
Aug 7, 2025 8-K items 8.01, 9.01 Other event · Current report
Jul 31, 2025 10-Q Quarterly report Jun 30, 2025
Jul 30, 2025 8-K items 2.02, 9.01 Results released · Current report
Jul 29, 2025 SCHEDULE 13G/A Large holder update, amended
May 22, 2025 11-K Employee plan annual report Dec 31, 2024
Apr 24, 2025 10-Q Quarterly report Mar 31, 2025
Apr 24, 2025 8-K items 5.07, 8.01, 9.01 Shareholder vote; Other event · Current report
Apr 23, 2025 8-K items 2.02, 9.01 Results released · Current report
Mar 12, 2025 ARS Annual report to shareholders Dec 31, 2024
Mar 12, 2025 DEFA14A Extra proxy material
Mar 12, 2025 DEF 14A Proxy statement Apr 24, 2025
Feb 27, 2025 8-K items 8.01, 9.01 Other event · Current report
Feb 14, 2025 10-K Annual report Dec 31, 2024
40 of 247 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton NEU · research, not advice