| Filed On | Filing |
|---|---|
| 01 Nov 2023 | POST-EFFECTIVE AMENDMENT NO. 1 NL INDUSTRIES, INC. |
| 26 Jun 2012 | POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 |
| 29 Oct 2010 | NL-S8-101029 |
| 20 Oct 2006 | NL RETIREMENT SAVINGS PLAN |
| 19 Oct 2006 | NON-EMPLOYEE DIRECTOR STOCK OPTION PLAN |
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