NL INDUSTRIES INC 8-K

What Happened

• NL Industries, Inc. (NL) furnished a press release titled “NL Reports Fourth Quarter 2025 Results” on March 9, 2026, under Item 2.02 (Results of Operations and Financial Condition) of Form 8-K. The press release reporting the company’s quarterly results is attached as Exhibit 99.1 to the filing. The company states the press release is furnished (not “filed”) for purposes of Section 18 of the Exchange Act.

Key Details

• Filing date: March 9, 2026.
• Item reported: 2.02 — Results of Operations and Financial Condition (quarterly results disclosed in press release).
• Exhibit included: 99.1 — press release “NL Reports Fourth Quarter 2025 Results”; 104 — Inline XBRL cover page data.
• Report signed by Amy A. Samford, Executive Vice President and Chief Financial Officer.

Why It Matters

• This 8-K indicates NL released its fourth-quarter 2025 earnings/quarterly results; those metrics (revenue, earnings, guidance, etc.) are in the attached press release (Exhibit 99.1) and can influence investor decisions and the stock price. Retail investors should review the Exhibit 99.1 press release and any corresponding earnings materials or subsequent filings for the specific revenue, net income, and outlook details needed to assess company performance.