Meredith W. Mendes - 14 May 2026 Form 4 Insider Report for NL INDUSTRIES INC (NL)

Reporting relationship
Director
Issuer ticker
NL
Reported as of
14 May 2026
Net transaction value
$0
Source evidence Original filing metadata and source links for verification. 4 source fields
SEC form
4
Accepted by SEC
15 May 2026, 08:06:51 UTC
Prior SEC filing
14 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
Jane R. Grimm, Attorney-in-fact, for Meredith W. Mendes

Key filing fact

Meredith W. Mendes filed Form 4 for NL INDUSTRIES INC (NL) on 15 May 2026.

Key facts

  • This page summarizes Meredith W. Mendes's Form 4 filing for NL INDUSTRIES INC (NL).
  • 1 reported transaction and 0 derivative rows are listed below.
  • Accepted by SEC: 15 May 2026, 08:06.

Change

  • Previous filing in this sequence was filed on 14 May 2026.
  • Current net transaction value: $0.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001616435 Primary reporting owner

Mendes Meredith W.

Relationship
Director
Address
5430 LBJ FREEWAY, SUITE 1700, DALLAS
Signature
Jane R. Grimm, Attorney-in-fact, for Meredith W. Mendes
Signature date
15 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NL transaction

Common Stock $0.125 par value per share

Award

Transaction value
Shares
+6,000
Change %
+21%
Price
$6.67*
Shares after
34,550
Date
14 May 2026
Ownership
Direct
Footnotes
F1
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Shares issued for no cash consideration to directors under the NL Industries, Inc. 2023 Non-Employee Director Stock Plan.

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