NL Industries | 4: Statement of changes in beneficial ownership of securities-Director MOORE CECIL H JR
NL Industries | 4: Statement of changes in beneficial ownership of securities-Director Mendes Meredith W.
NL Industries | 4: Statement of changes in beneficial ownership of securities-Director Kramer Kevin B
NL Industries | 4: Statement of changes in beneficial ownership of securities-Director Harper John E
NL Industries | 4: Statement of changes in beneficial ownership of securities-Director Feehan Loretta J.
NL Industries | 3: Initial statement of beneficial ownership of securities-Officer Sunny John
NL Industries | 3: Initial statement of beneficial ownership of securities-Director Kramer Kevin B
NL Industries | 3: Initial statement of beneficial ownership of securities-Officer Austin Erica A.
NL Industries | 3: Initial statement of beneficial ownership of securities-Officer McCoy Kristin B
NL Industries | 4: Statement of changes in beneficial ownership of securities-Director STAFFORD THOMAS P
NL Industries | 4: Statement of changes in beneficial ownership of securities-Director MOORE CECIL H JR
NL Industries | 4: Statement of changes in beneficial ownership of securities-Director Mendes Meredith W.
NL Industries | 4: Statement of changes in beneficial ownership of securities-Director Harper John E
NL Industries | 4: Statement of changes in beneficial ownership of securities-Director Feehan Loretta J.
NL Industries | 4: Statement of changes in beneficial ownership of securities
NL Industries | 4: Statement of changes in beneficial ownership of securities
NL Industries | 4: Statement of changes in beneficial ownership of securities
NL Industries | 4: Statement of changes in beneficial ownership of securities
NL Industries | 4: Statement of changes in beneficial ownership of securities
NL Industries | 4: Statement of changes in beneficial ownership of securities