NL INDUSTRIES INC — DEFA14A Filings
9 DEFA14A filings on record
This page lists all DEFA14A filings submitted to the SEC by NL INDUSTRIES INC (NL), sorted by most recent first. Each row links to the full filing on EdgarLookup. NL INDUSTRIES INC has filed 9 DEFA14A documents with the SEC since 1994. To view all SEC filings by NL INDUSTRIES INC, see the full filings list.
All
10-K
10-K/A
10-K405
10-K405/A
10-Q
10-Q/A
11-K
144
15-15D
3
3/A
4
4/A
40-APP
5
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
NT 10-K
NT 10-Q
NT 11-K
PRE 14A
S-8
S-8 POS
SC 13D/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| DEFA14A | DEFA14A | 0000072162-26-000020 | Mar 25, 2026 | — |
| DEFA14A | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS | 0000059255-25-000015 | Mar 31, 2025 | — |
| DEFA14A | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS | 0000059255-24-000016 | Mar 27, 2024 | — |
| DEFA14A | NL INDUSTRIES, INC. DEF A14A | 0000059255-23-000016 | Mar 29, 2023 | — |
| DEFA14A | NL INDUSTRIES, INC. DEF A14A | 0000059255-22-000027 | Mar 30, 2022 | — |
| DEFA14A | NL INDUSTRIES, INC. NOTICE | 0000059255-21-000032 | Mar 31, 2021 | — |
| DEFA14A | NL INDUSTRIES, INC. NOTICE | 0000059255-20-000035 | Apr 2, 2020 | — |
| DEFA14A | NL INDUSTRIES, INC. | 0000024240-19-000036 | Mar 26, 2019 | — |
| DEFA14A | NL INDUSTRIES, INC. SCHEDULE 14A DEFINITIVE ADDITIONAL MATERIALS | 0000059255-18-000035 | Mar 28, 2018 | — |