| Filed On | Filing |
|---|---|
| 25 Mar 2026 | DEFA14A |
| 31 Mar 2025 | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS |
| 27 Mar 2024 | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS |
| 29 Mar 2023 | NL INDUSTRIES, INC. DEF A14A |
| 30 Mar 2022 | NL INDUSTRIES, INC. DEF A14A |
| 31 Mar 2021 | NL INDUSTRIES, INC. NOTICE |
| 02 Apr 2020 | NL INDUSTRIES, INC. NOTICE |
| 26 Mar 2019 | NL INDUSTRIES, INC. |
| 28 Mar 2018 | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS |
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