Washington, D.C.   20549
Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of the earliest event reported)
April 20, 2021
NL Industries, Inc.
(Exact name of registrant as specified in its charter)
New Jersey
(State or other jurisdiction of incorporation)
File Number)
(IRS Employer
Identification No.)
5430 LBJ Freeway, Suite 1700, Dallas, Texas
(Address of principal executive offices)
(Zip Code)
Registrant’s telephone number, including area code
(972) 233-1700
(Former name or former address, if changed since last report.)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2):

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:

Title of each class
Name of each exchange on which registered
Common Stock
New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company 

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  

Item 1.01
Entry into a Material Definitive Agreement.

Item 1.02
Termination of a Material Definitive Agreement.

Item 2.03
Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant.

Item 2.04         Triggering Events that Accelerate or Increase a Direct Financial Obligation or an Obligation Under an Off-Balance Sheet Arrangement.
The information disclosed by Kronos Worldwide, Inc., a Delaware corporation and an affiliate of the registrant (“Kronos Worldwide”), under Items 1.01, 1.02, 2.03 and 2.04 of the Current Report on Form 8-K dated April 20, 2021 that Kronos Worldwide (File No. 1-31763) filed with the U.S. Securities and Exchange Commission on April 23, 2021 is hereby incorporated herein by reference.

Item 9.01
Financial Statements and Exhibits.

Item No.
Exhibit Index
Cover Page Interactive Data File (embedded within the Inline XBRL document)
Certain schedules and similar attachments have been omitted in reliance on Instruction 4 of Item 1.01 of Form 8-K and Item 601(a)(5) of Regulation S-K. The registrant will provide, on a supplemental basis, a copy of any omitted schedule or attachment to the SEC or its staff upon request.


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 hereunto duly authorized.

Date:  April 23, 2021
By:     /s/ Clarence B. Brown, III
Clarence B. Brown, III,
Vice President and Secretary