---
schema_version: "secwatch.filing_event.v1"
accession: "0000059255-21-000127"
form_type: "8-K"
ticker: "NL"
cik: "0000072162"
company_name: "NL INDUSTRIES INC"
filed_at: "2021-11-04T23:59:59+00:00"
generated_at: "2026-06-28T13:27:30.621845+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# NL Industries Q3 net income $10.3M ($0.21/sh), up from $3.9M; Kronos equity earnings $10.9M

## Summary
- Q3 net income $10.3M ($0.21/sh) vs $3.9M ($0.08/sh) YoY; nine-month $36.3M ($0.74/sh) vs $10.4M ($0.21/sh).
- CompX Q3 net sales $34.5M (up 21% YoY); income from operations $5.1M vs $2.1M.
- Kronos contributed equity earnings of $10.9M in Q3 (vs $2.4M) on net sales $499.8M (+20% YoY) and operating income $57.3M (vs $19.3M).
- Unrealized loss on marketable securities (Valhi stock) of $1.2M in Q3 vs gain of $3.2M in Q3 2020.

## SEC filing metadata
- accession: 0000059255-21-000127
- form_type: 8-K
- ticker: NL
- cik: 0000072162
- company_name: NL INDUSTRIES INC
- filed_at: 2021-11-04T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/72162/000005925521000127/0000059255-21-000127-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/72162/000005925521000127/nl8k211104.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0000059255-21-000127
- JSON: https://secwatch.observer/filing/0000059255-21-000127.json
- Plain text: https://secwatch.observer/filing/0000059255-21-000127.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.