4processed

Form 4 — Insider Transaction

NL INDUSTRIES INC(NL)

Filing Date

May 14, 2026

Accepted

May 14, 2026

Accession No.

0001265101-26-000004

CIK

0000072162

Insider Transactions

InsiderTitleTypeSharesPriceValueOwned AfterSecurityDate
MOORE CECIL H JROther6.0K$6.6749.5KCommon Stock $0.125 par value per shareMay 14, 2026