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    <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;"><span style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">&#160;&#160;</span><span style="font-size: 10pt; font-family: 'Times New Roman', Times, serif; font-weight: bold;">UNITED STATES</span></div>

    <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">SECURITIES AND EXCHANGE COMMISSION</div>

    <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Washington, D.C.&#160;&#160; 20549</div>

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    <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">CURRENT REPORT</div>

    <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934</div>

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    <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Date of Report (Date of the earliest event reported)</div>

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            <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(Zip Code)</div>
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    <div style="text-align: center; margin-top: 12pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Registrant&#8217;s telephone number, including area code</div>

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    <td style="width: 52.63%; vertical-align: top; border-bottom: #000000 2px solid;">&#160;</td>

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    <td style="width: 23.68%; vertical-align: top;">&#160;</td>

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            <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(Former name or former address, if changed since last report.)</div>
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    <td style="width: 23.68%; vertical-align: top;">&#160;</td>

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</table>
    <div style="text-align: left; margin-top: 18pt; margin-bottom: 12pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of
      the registrant under any of the following provisions (see General Instruction A.2):</div>

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    <td style="width: 93.23%; vertical-align: middle;">
            <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</div>
          </td>

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    <td style="width: 6.77%; vertical-align: top;">&#160;</td>

    <td style="width: 93.23%; vertical-align: middle;">&#160;</td>

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            <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</div>
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    <td style="width: 6.77%; vertical-align: top;">&#160;</td>

    <td style="width: 93.23%; vertical-align: middle;">&#160;</td>

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    <td style="width: 93.23%; vertical-align: middle;">
            <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</div>
          </td>

  </tr>

  <tr>

    <td style="width: 6.77%; vertical-align: top;">&#160;</td>

    <td style="width: 93.23%; vertical-align: middle;">&#160;</td>

  </tr>

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    <td style="width: 6.77%; vertical-align: top;">
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            </div>
          </td>

    <td style="width: 93.23%; vertical-align: middle;">
            <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</div>
          </td>

  </tr>


</table>
    <div style="text-align: left; margin-top: 12pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Securities registered pursuant to Section 12(b) of the Act:</div>

    <div><br />
    </div>

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    <td style="width: 38%; vertical-align: bottom; border-bottom: #000000 2px solid;">
            <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt; font-weight: bold;">Title of each class</div>
          </td>

    <td style="width: 1%; vertical-align: bottom;">&#160;</td>

    <td style="width: 15%; vertical-align: bottom; border-bottom: #000000 2px solid;">
            <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt; font-weight: bold;">Trading</div>
            <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt; font-weight: bold;">Symbol(s)</div>
          </td>

    <td style="width: 1%; vertical-align: bottom;">&#160;</td>

    <td style="width: 45%; vertical-align: bottom; border-bottom: #000000 2px solid;">
            <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt; font-weight: bold;">Name of each exchange on which registered</div>
          </td>

  </tr>

  <tr>

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            <div style="text-align: center; font-family: 'Times New Roman', Times, serif; font-size: 8pt;"><ix:nonNumeric name="dei:Security12bTitle" id="Fact_64e2965210954074b5e7fd760b55c9a7" contextRef="c20210601to20210601">Common stock</ix:nonNumeric><br />
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    <td style="width: 1%; vertical-align: bottom;">&#160;</td>

    <td style="width: 15%; vertical-align: bottom;">
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          </td>

    <td style="width: 1%; vertical-align: bottom;">&#160;</td>

    <td style="width: 45%; vertical-align: bottom;">
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</table>
    <div>
      <div><br />
      </div>

      <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17&#160;CFR &#167;230.405) or Rule
        12b-2 of the Securities Exchange Act of 1934 (17 CFR &#167;240.12b-2).</div>

    </div>

    <div>
      <div><br />
      </div>

      <div style="text-align: right; margin-top: 6pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Emerging growth company&#160; <ix:nonNumeric name="dei:EntityEmergingGrowthCompany" id="Fact_f3d3a677afb8458fba3c133b8771c6f5" contextRef="c20210601to20210601" format="ixt-sec:boolballotbox">&#x2610;</ix:nonNumeric></div>

    </div>

    <div>
      <div><br />
      </div>

      <div style="text-align: left; margin-top: 6pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
        with any new or revised financial accounting standards provided pursuant to Section&#160;13(a) of the Exchange Act.&#160;&#160;<span style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">&#9744;</span></div>

    </div>

    <div style="clear: both; margin-top: 10pt; margin-bottom: 10pt;">
      <div style="page-break-after:always;">
        <hr style="margin: 4px 0px; width: 100%; border-width: 0; height: 2px; color: #000000; background-color: #000000; clear: both;" /></div>

    </div>

    <div>
      <div><br />
      </div>

    </div>

    <div><br />
    </div>

    <div><br />
    </div>

    <div><br />
    </div>

    <div><br />
    </div>

    <div><br />
    </div>

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    <td style="width: 72pt; vertical-align: top; align: right; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Item 5.02</td>

    <td style="width: auto; vertical-align: top; text-align: left;">
            <div style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-weight: bold;">Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.</div>
          </td>

  </tr>


</table>
    <div><br />
    </div>

    <div style="text-align: left; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Courtney J. Riley has been elected, effective June 1, 2021, as president and chief executive officer of the registrant by the registrant&#8217;s
      board of directors.&#160; Upon Ms. Riley&#8217;s election, Robert D. Graham, who previously served as vice chairman of the board and chief executive officer of the registrant, ceased to serve as chief executive officer of the registrant but continued as its
      vice chairman of the board.</div>

    <div><br />
    </div>

    <div style="text-align: left; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Also effective June 1, 2021, Amy E. Ruf has been elected as vice president and controller of the registrant.&#160; Upon Ms. Ruf&#8217;s election,
      Patty S. Brinda, who previously served as vice president and controller of the registrant, ceased to be an officer of the registrant.&#160; On June 1, 2021, Ms. Brinda became vice president and controller of the registrant&#8217;s affiliate Valhi, Inc.
      (&#8220;Valhi&#8221;).</div>

    <div><br />
    </div>

    <div style="text-align: left; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Amy Allbach Samford continues to serve as the registrant&#8217;s chief financial officer.&#160; Ms. Samford, who formerly served as vice president and
      chief financial officer of the registrant, was elected senior vice president and chief financial officer of the registrant effective June 1, 2021.</div>

    <div><br />
    </div>

    <div style="text-align: left; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Ms. Riley, age 56, has served as chief executive officer of the registrant since June 1, 2021 and as its president since 2017.&#160; She
      previously served as the registrant&#8217;s executive vice president, environmental affairs and general counsel during 2017, and as its vice president, environmental affairs and general counsel from 2012 to 2016.&#160; She currently serves as executive vice
      president, environmental affairs of Valhi; as senior vice president, health, safety and environment of the registrant&#8217;s affiliate Kronos Worldwide, Inc.; and as senior vice president, environmental affairs of Contran Corporation (&#8220;Contran&#8221;), the
      privately-held parent corporation of the registrant. Ms. Riley has served in legal and environmental affairs positions (including officer positions) with various companies related to us and Contran since 2009.</div>

    <div><br />
    </div>

    <div style="text-align: left; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Amy E. Ruf has served as vice president and controller of the registrant since June 1, 2021.&#160; She currently serves as vice president and
      controller of the registrant&#8217;s affiliate CompX International, Inc. and has served in those roles since 2019.&#160; Ms. Ruf has served in various accounting and financial positions in various companies related to us and Contran since 2004.</div>

    <div><br />
    </div>

    <div style="text-align: left; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Mses. Riley and Ruf are employees of Contran and provide their services to the registrant under an intercorporate services agreement
      between the registrant and Contran.&#160; For a description of the intercorporate services agreement, see &#8220;Certain Relationships and Transactions&#8221; in the registrant&#8217;s 2021 proxy statement, which description is incorporated herein by reference.&#160; In
      addition, for a discussion of potential conflicts of interest of officers who serve more than one corporation, see &#8220;Certain Relationships and Transactions&#8221; in the 2021 proxy statement, which discussion is also incorporated herein by reference.</div>

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    <div style="text-align: left; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf
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            <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-variant: small-caps; font-weight: bold;">NL INDUSTRIES, INC.</div>
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            <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">(Registrant)</div>
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            <div style="text-align: left; font-family: 'Times New Roman', Times, serif; font-size: 10pt;">Date:&#160; June 2, 2021</div>
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            <div style="text-align: left;"><span style="font-size: 10pt; font-family: 'Times New Roman', Times, serif;">By:</span>&#160;&#160;&#160;&#160; <span style="text-decoration: underline;"><span style="font-family: 'Times New Roman', Times, serif; font-size: 10pt;">/s/Amy Allbach Samford</span></span></div>
            <div style="text-align: left; text-indent: 25pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-style: italic;">Amy Allbach Samford,</div>
            <div style="text-align: left; text-indent: 25pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt; font-style: italic;">SeniorVice President and Chief Financial Officer</div>
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[{"type": "8-K", "sequence": "1", "filename": "nl8k210601.htm", "description": "NL INDUSTRIES, INC. FORM 8-K DATED JUNE 1, 2021", "secsgml_size_bytes": 27098}]
{"company-data": {"conformed-name": "NL INDUSTRIES INC", "cik": "0000072162", "assigned-sic": "2810", "irs-number": "135267260", "state-of-incorporation": "NJ", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-00640", "film-number": "21989312"}, "business-address": {"street1": "5430 LBJ FREEWAY", "street2": "SUITE 1700", "city": "DALLAS", "state": "TX", "zip": "75240-2620", "phone": "972-233-1700"}, "mail-address": {"street1": "5430 LBJ FREEWAY", "street2": "SUITE 1700", "city": "DALLAS", "state": "TX", "zip": "75240-2620"}, "former-company": {"former-conformed-name": "NATIONAL LEAD CO", "date-changed": "19710520"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.   20549
FORM
8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934
Date of Report (Date of the earliest event reported)
June 1, 2021
NL Industries, Inc.
(Exact name of registrant as specified in its charter)
New Jersey
1-640
13-5267260
(State or other jurisdiction of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
5430 LBJ Freeway
,
Suite 1700
,
Dallas
,
Texas
75240-2620
(Address of principal executive offices)
(Zip Code)
Registrant's telephone number, including area code
(
972
)
233-1700
(Former name or former address, if changed since last report.)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of
      the registrant under any of the following provisions (see General Instruction A.2):
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading
Symbol(s)
Name of each exchange on which registered
Common stock
NL
New York Stock Exchange
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule
        12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).
Emerging growth company
☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
        with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
☐
Item 5.02
Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
Courtney J. Riley has been elected, effective June 1, 2021, as president and chief executive officer of the registrant by the registrant's
      board of directors.  Upon Ms. Riley's election, Robert D. Graham, who previously served as vice chairman of the board and chief executive officer of the registrant, ceased to serve as chief executive officer of the registrant but continued as its
      vice chairman of the board.
Also effective June 1, 2021, Amy E. Ruf has been elected as vice president and controller of the registrant.  Upon Ms. Ruf's election,
      Patty S. Brinda, who previously served as vice president and controller of the registrant, ceased to be an officer of the registrant.  On June 1, 2021, Ms. Brinda became vice president and controller of the registrant's affiliate Valhi, Inc.
      ("Valhi").
Amy Allbach Samford continues to serve as the registrant's chief financial officer.  Ms. Samford, who formerly served as vice president and
      chief financial officer of the registrant, was elected senior vice president and chief financial officer of the registrant effective June 1, 2021.
Ms. Riley, age 56, has served as chief executive officer of the registrant since June 1, 2021 and as its president since 2017.  She
      previously served as the registrant's executive vice president, environmental affairs and general counsel during 2017, and as its vice president, environmental affairs and general counsel from 2012 to 2016.  She currently serves as executive vice
      president, environmental affairs of Valhi; as senior vice president, health, safety and environment of the registrant's affiliate Kronos Worldwide, Inc.; and as senior vice president, environmental affairs of Contran Corporation ("Contran"), the
      privately-held parent corporation of the registrant. Ms. Riley has served in legal and environmental affairs positions (including officer positions) with various companies related to us and Contran since 2009.
Amy E. Ruf has served as vice president and controller of the registrant since June 1, 2021.  She currently serves as vice president and
      controller of the registrant's affiliate CompX International, Inc. and has served in those roles since 2019.  Ms. Ruf has served in various accounting and financial positions in various companies related to us and Contran since 2004.
Mses. Riley and Ruf are employees of Contran and provide their services to the registrant under an intercorporate services agreement
      between the registrant and Contran.  For a description of the intercorporate services agreement, see "Certain Relationships and Transactions" in the registrant's 2021 proxy statement, which description is incorporated herein by reference.  In
      addition, for a discussion of potential conflicts of interest of officers who serve more than one corporation, see "Certain Relationships and Transactions" in the 2021 proxy statement, which discussion is also incorporated herein by reference.
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf
      by the undersigned hereunto duly authorized.
NL INDUSTRIES, INC.
(Registrant)
Date:  June 2, 2021
By:
/s/Amy Allbach Samford
Amy Allbach Samford,
SeniorVice President and Chief Financial Officer