SEC Filing Html Data

COMPX INTERNATIONAL INC_September 30, 2025
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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

For the quarter ended September 30, 2025

OR

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from _________ to _________

Commission file number 1-13905

COMPX INTERNATIONAL INC.

(Exact name of Registrant as specified in its charter)

DELAWARE

    

57-0981653

(State or other jurisdiction of
incorporation or organization)

(IRS Employer
Identification No.)

5430 LBJ Freeway, Suite 1700

Dallas, Texas 75240-2620

(Address of principal executive offices)

Registrant’s telephone number, including area code (972) 448-1400

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

    

Trading Symbol(s)

    

Name of each exchange on which registered

Class A common stock

CIX

NYSE American

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months and (2) has been subject to such filing requirements for the past 90 days.   Yes      No  

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).   Yes      No  

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer

Accelerated filer

Non-accelerated filer

  Smaller reporting company

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. 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).   Yes      No  .

As of October 31, 2025, the registrant had 12,323,057 shares of Class A common stock, $.01 par value per share, outstanding.

COMPX INTERNATIONAL INC.

Index

    

Page

Part I.

FINANCIAL INFORMATION

Item 1.

Financial Statements

Condensed Consolidated Balance Sheets – December 31, 2024 and September 30, 2025 (unaudited)

- 3 -

Condensed Consolidated Statements of Income and Comprehensive Income (unaudited) – Three and nine months ended September 30, 2024 and 2025

- 4 -

Condensed Consolidated Statements of Stockholders’ Equity (unaudited) – Three and nine months ended September 30, 2024 and 2025

- 5 -

Condensed Consolidated Statements of Cash Flows (unaudited) – Nine months ended September 30, 2024 and 2025

- 6 -

Notes to Condensed Consolidated Financial Statements (unaudited)

- 7 -

Item 2.

Management’s Discussion and Analysis of Financial Condition and Results of Operations

- 11 -

Item 3.

Quantitative and Qualitative Disclosures About Market Risk

- 17 -

Item 4.

Controls and Procedures

- 17 -

Part II.

OTHER INFORMATION

Item 1.

Legal Proceedings

- 18 -

Item 1A.

Risk Factors

- 18 -

Item 6.

Exhibits

- 18 -

Items 2, 3, 4 and 5 of Part II are omitted because there is no information to report.

- 2 -

COMPX INTERNATIONAL INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(In thousands)

December 31, 

September 30, 

ASSETS

2024

2025

(unaudited)

Current assets:

 

  

  

Cash and cash equivalents

$

60,782

$

46,268

Accounts receivable, net

 

14,113

 

17,862

Inventories, net

 

28,366

 

30,951

Prepaid expenses and other

 

2,035

 

2,197

Total current assets

 

105,296

 

97,278

Other assets:

 

  

 

  

Note receivable from affiliate

 

9,300

 

8,100

Goodwill

 

23,742

 

23,742

Other noncurrent assets

 

680

 

622

Total other assets

 

33,722

 

32,464

Property and equipment:

 

  

 

  

Land

 

5,390

 

5,390

Buildings

 

23,262

 

23,272

Equipment

 

75,605

 

77,757

Construction in progress

 

589

 

540

 

104,846

 

106,959

Less accumulated depreciation

 

80,820

 

82,977

Net property and equipment

 

24,026

 

23,982

Total assets

$

163,044

$

153,724

LIABILITIES AND STOCKHOLDERS' EQUITY

Current liabilities:

 

  

Accounts payable and accrued liabilities

$

14,971

$

14,052

Income taxes payable to affiliate

 

804

 

1,116

Total current liabilities

 

15,775

 

15,168

Noncurrent liabilities:

 

 

Deferred income taxes

1,067

804

Other

57

96

Total noncurrent liabilities

1,124

900

Stockholders' equity:

 

  

 

  

Preferred stock

 

 

Class A common stock

 

123

 

123

Additional paid-in capital

 

53,396

 

53,513

Retained earnings

 

92,626

 

84,020

Total stockholders' equity

 

146,145

 

137,656

Total liabilities and stockholders’ equity

$

163,044

$

153,724

Commitments and contingencies (Note 7)

See accompanying Notes to Condensed Consolidated Financial Statements.

- 3 -

COMPX INTERNATIONAL INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME

(In thousands, except per share data)

Three months ended

Nine months ended

September 30, 

September 30, 

    

2024

    

2025

    

2024

    

2025

(unaudited)

Net sales

$

33,667

$

39,950

$

107,525

$

120,588

Cost of sales

 

24,199

 

28,921

 

77,225

 

84,506

Gross margin

 

9,468

 

11,029

 

30,300

 

36,082

Selling, general and administrative expense

 

6,119

 

6,268

 

18,155

 

19,132

Operating income

 

3,349

 

4,761

 

12,145

 

16,950

Interest income

 

1,235

 

800

 

3,754

 

2,519

Income before income taxes

 

4,584

 

5,561

 

15,899

 

19,469

Income tax expense

 

1,106

 

1,339

 

3,823

 

4,663

Net income

$

3,478

$

4,222

$

12,076

$

14,806

Other comprehensive income, marketable securities adjustment:

Unrealized income arising during year, net

1

6

Comprehensive income

$

3,479

$

4,222

$

12,082

$

14,806

Basic and diluted net income per common share

$

.28

$

.34

$

.98

$

1.20

Basic and diluted weighted average shares outstanding

 

12,319

 

12,323

 

12,316

 

12,321

See accompanying Notes to Condensed Consolidated Financial Statements.

- 4 -

COMPX INTERNATIONAL INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(In thousands)

Three months ended September 30, 2024 and 2025 (unaudited)

Accumulated

Class A

Additional

other

Total

common

paid-in

Retained

comprehensive

stockholders'

    

stock

    

capital

    

earnings

    

loss

equity

Balance at June 30, 2024

$

123

$

53,396

$

116,665

$

(1)

$

170,183

Net income

 

 

 

3,478

 

 

3,478

Cash dividends ($2.30 per share)

 

 

 

(28,332)

 

 

(28,332)

Other comprehensive income

1

1

Balance at September 30, 2024

$

123

$

53,396

$

91,811

$

$

145,330

Balance at June 30, 2025

$

123

$

53,513

$

95,817

$

$

149,453

Net income

 

 

 

4,222

 

 

4,222

Cash dividends ($1.30 per share)

 

 

 

(16,019)

 

 

(16,019)

Balance at September 30, 2025

$

123

$

53,513

$

84,020

$

$

137,656

Nine months ended September 30, 2024 and 2025 (unaudited)

Accumulated

Class A

Additional

other

Total

common

paid-in

Retained

comprehensive

stockholders'

    

stock

    

capital

    

earnings

    

loss

equity

Balance at December 31, 2023

$

123

$

53,275

$

115,457

$

(6)

$

168,849

Net income

 

 

 

12,076

 

 

12,076

Issuance of common stock

121

121

Cash dividends ($2.90 per share)

 

 

 

(35,722)

 

 

(35,722)

Other comprehensive income

6

6

Balance at September 30, 2024

$

123

$

53,396

$

91,811

$

$

145,330

Balance at December 31, 2024

$

123

$

53,396

$

92,626

$

$

146,145

Net income

 

 

 

14,806

 

 

14,806

Issuance of common stock

117

117

Cash dividends ($1.90 per share)

 

 

 

(23,412)

 

 

(23,412)

Balance at September 30, 2025

$

123

$

53,513

$

84,020

$

$

137,656

See accompanying Notes to Condensed Consolidated Financial Statements.

- 5 -

COMPX INTERNATIONAL INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(In thousands)

Nine months ended

September 30, 

    

2024

    

2025

(unaudited)

Cash flows from operating activities:

 

  

 

  

Net income

$

12,076

$

14,806

Depreciation and amortization

 

2,763

 

2,764

Deferred income taxes

 

(539)

 

(263)

Noncash interest income

(639)

Other, net

 

339

 

313

Change in assets and liabilities:

 

  

 

Accounts receivable, net

 

2,595

 

(3,761)

Inventories, net

 

2,494

 

(2,769)

Accounts payable and accrued liabilities

 

(2,634)

 

(622)

Accounts with affiliates

 

(766)

 

223

Prepaids and other, net

 

(78)

 

155

Net cash provided by operating activities

 

15,611

 

10,846

Cash flows from investing activities:

 

  

 

  

Capital expenditures, net

 

(1,194)

 

(3,148)

Proceeds from maturities of marketable securities

36,000

Note receivable from affiliate:

 

  

 

  

Collections

 

20,400

 

11,900

Advances

 

(17,700)

 

(10,700)

Net cash provided by (used in) investing activities

 

37,506

 

(1,948)

Cash flows from financing activities -

Dividends paid

 

(35,722)

 

(23,412)

Cash and cash equivalents - net change from:

Operating, investing and financing activities

17,395

(14,514)

Balance at beginning of period

 

41,393

 

60,782

Balance at end of period

$

58,788

$

46,268

Supplemental disclosures -

Cash paid for income taxes

$

5,154

$

4,628

Noncash investing activities -

Change in accruals for capital expenditures

(33)

(429)

See accompanying Notes to Condensed Consolidated Financial Statements.

- 6 -

COMPX INTERNATIONAL INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

September 30, 2025

(unaudited)

Note 1 – Organization and basis of presentation:

Organization. We (NYSE American: CIX) were approximately 87% owned by NL Industries, Inc. (NYSE: NL) at September 30, 2025. At September 30, 2025, Valhi, Inc. (NYSE: VHI) owned approximately 83% of NL’s outstanding common stock and a wholly-owned subsidiary of Contran Corporation owned approximately 91% of Valhi’s outstanding common stock. A majority of Contran’s outstanding voting stock is held directly by Lisa K. Simmons, and by family stockholders (Thomas C. Connelly (the husband of Ms. Simmons’ late sister), a family-owned entity and various family trusts established for the benefit of Ms. Simmons, Mr. Connelly and their children) who are required to vote their shares of Contran voting stock in the same manner as Ms. Simmons. Such voting rights are personal to Ms. Simmons and last through April 22, 2030. The remainder of Contran’s outstanding voting stock is held by another trust (the “Family Trust”), which was established for the benefit of Ms. Simmons and her late sister and their children and for which a third-party financial institution serves as trustee. Consequently, at September 30, 2025, Ms. Simmons and the Family Trust may be deemed to control Contran, and therefore may be deemed to indirectly control the wholly-owned subsidiary of Contran, Valhi, NL and us.

Basis of presentation. Consolidated in this Quarterly Report are the results of CompX International Inc. and its subsidiaries. The unaudited Condensed Consolidated Financial Statements contained in this Quarterly Report have been prepared on the same basis as the audited Consolidated Financial Statements included in our Annual Report on Form 10-K for the year ended December 31, 2024 that we filed with the Securities and Exchange Commission (“SEC”) on March 5, 2025 (the “2024 Annual Report”). In our opinion, we have made all necessary adjustments (which include only normal recurring adjustments) in order to state fairly, in all material respects, our consolidated financial position, results of operations and cash flows as of the dates and for the periods presented. We have condensed the Consolidated Balance Sheet at December 31, 2024 contained in this Quarterly Report as compared to our audited Consolidated Financial Statements at that date, and we have omitted certain information and footnote disclosures (including those related to the Consolidated Balance Sheet at December 31, 2024) normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”). Our results of operations for the interim periods ended September 30, 2025 may not be indicative of our operating results for the full year. The Condensed Consolidated Financial Statements contained in this Quarterly Report should be read in conjunction with our 2024 Consolidated Financial Statements contained in our 2024 Annual Report.

Cash dividends in 2025 include a $1.00 per share special dividend.

Our operations are reported on a 52 or 53-week year. For presentation purposes, annual and quarterly information in the Condensed Consolidated Financial Statements and accompanying notes are presented as ended September 30, 2024, December 31, 2024 and September 30, 2025. The actual dates of our annual and quarterly periods are September 29, 2024, December 29, 2024 and September 28, 2025, respectively. Unless otherwise indicated, references in this report to “we”, “us” or “our” refer to CompX International Inc. and its subsidiaries, taken as a whole.

- 7 -

Note 2 – Business segment information:

Our chief operating decision maker (“CODM”) evaluates segment performance based on segment operating income, which is defined as income before income taxes, exclusive of certain general corporate income and expense items (primarily interest income) and certain non-recurring items (such as gains or losses on the disposition of long-lived assets outside the ordinary course of business).

Three months ended

Nine months ended

September 30, 

September 30, 

    

2024

    

2025

    

2024

    

2025

(In thousands)

Net sales:

 

  

 

  

  

 

  

Security Products

$

26,567

$

30,266

$

84,667

$

91,179

Marine Components

 

7,100

 

9,684

 

22,858

 

29,409

Total

$

33,667

$

39,950

$

107,525

$

120,588

Cost of sales:

 

  

 

  

 

  

 

  

Security Products

$

18,486

$

21,698

$

58,862

$

64,059

Marine Components

 

5,713

 

7,223

 

18,363

 

20,447

Total

$

24,199

$

28,921

$

77,225

$

84,506

Gross margin:

Security Products

$

8,081

$

8,568

$

25,805

$

27,120

Marine Components

 

1,387

 

2,461

 

4,495

 

8,962

Total

$

9,468

$

11,029

$

30,300

$

36,082

Segment selling, general and administrative expense:

 

  

 

  

 

  

 

  

Security Products

$

3,528

$

3,583

$

10,360

$

10,846

Marine Components

 

784

 

915

 

2,471

 

2,781

Total

$

4,312

$

4,498

$

12,831

$

13,627

Operating income:

 

  

 

  

 

  

 

  

Security Products

$

4,553

$

4,985

$

15,445

$

16,274

Marine Components

 

603

 

1,546

 

2,024

 

6,181

Segment operating income

 

5,156

 

6,531

 

17,469

 

22,455

Corporate operating expenses

 

(1,807)

 

(1,770)

 

(5,324)

 

(5,505)

Total operating income

 

3,349

 

4,761

 

12,145

 

16,950

Interest income

 

1,235

 

800

 

3,754

 

2,519

Income before income taxes

$

4,584

$

5,561

$

15,899

$

19,469

Depreciation and amortization:

 

  

 

  

 

  

 

  

Security Products

$

614

$

601

$

1,861

$

1,867

Marine Components

 

303

 

295

 

902

 

897

Total

$

917

$

896

$

2,763

$

2,764

Intersegment sales are not material. Our CODM is not regularly provided financial information related to the assets of the reportable segments, including capital expenditures, and he does not evaluate the reportable segments’ performance or allocate resources to them based on assets. Therefore, total assets by reportable segment are not included in our segment disclosure.

n

- 8 -

Note 3 – Accounts receivable, net:

December 31, 

September 30, 

    

2024

    

2025

(In thousands)

Accounts receivable, net:

 

  

 

  

Security Products

$

12,149

$

13,855

Marine Components

 

2,034

 

4,077

Allowance for doubtful accounts

 

(70)

 

(70)

Total accounts receivable, net

$

14,113

$

17,862

Note 4 – Inventories, net:

December 31, 

September 30, 

    

2024

    

2025

(In thousands)

Raw materials:

 

  

 

  

Security Products

$

4,063

$

4,152

Marine Components

 

1,589

 

1,615

Total raw materials

 

5,652

 

5,767

Work-in-process:

 

  

 

  

Security Products

 

13,241

 

14,849

Marine Components

 

4,397

 

5,801

Total work-in-process

 

17,638

 

20,650

Finished goods:

 

  

 

Security Products

 

2,895

 

2,782

Marine Components

 

2,181

 

1,752

Total finished goods

 

5,076

 

4,534

Total inventories, net

$

28,366

$

30,951

Note 5 – Accounts payable and accrued liabilities:

December 31, 

September 30, 

    

2024

    

2025

(In thousands)

Accounts payable:

 

  

 

  

Security Products

$

3,016

$

2,574

Marine Components

 

671

 

615

Corporate

18

Payable to affiliate - Contran

 

 

142

Employee benefits

 

9,794

 

9,025

Taxes other than on income

 

295

 

471

Insurance

 

280

 

303

Professional services

263

270

Customer tooling

 

147

 

125

Advances from customers

100

113

Deferred revenue

97

50

Other

 

308

 

346

Total accounts payable and accrued liabilities

$

14,971

$

14,052

- 9 -

Note 6 – Income taxes:

Three months ended

Nine months ended

September 30, 

September 30, 

    

2024

    

2025

    

2024

    

2025

(In thousands)

Expected tax expense, at the U.S. federal statutory
  income tax rate of 21%

$

963

$

1,167

$

3,339

$

4,088

State income taxes

 

134

 

157

 

467

 

548

Other, net

 

9

 

15

 

17

 

27

Total provision for income taxes

$

1,106

$

1,339

$

3,823

$

4,663

Comprehensive provision for income taxes allocable to:

Net income

$

1,106

$

1,339

$

3,823

$

4,663

Other comprehensive loss - marketable securities

(1)

(1)

Total

$

1,105

$

1,339

$

3,822

$

4,663

On July 4, 2025, the One Big Beautiful Bill Act (“OBBBA”) was signed into law in the United States. The OBBBA, among other provisions, provides for bonus depreciation of qualified property, permanently modifies the interest expense deduction to use an adjusted taxable income based on a calculation similar to EBITDA, and makes changes to international tax provisions including Foreign-Derived Intangible Income (“FDII”) (renamed Foreign-derived Deduction Eligible Income (“FDDEI”)). The legislation has multiple effective dates, with certain provisions effective in 2025 and others implemented through 2027. The OBBBA did not have a material impact on our 2025 consolidated financial statements, and we are in the process of evaluating the impact to future years as additional provisions take effect.

Note 7 – Commitments and contingencies:

From time to time, we may be involved in various environmental, contractual, product liability, patent (or intellectual property), employment and other claims and disputes incidental to our business. At least quarterly our management discusses and evaluates the status of any pending litigation to which we are a party. The factors considered in such evaluation include, among other things, the nature of such pending cases, the status of such pending cases, the advice of legal counsel and our experience in similar cases (if any). Based on such evaluation, we make a determination as to whether we believe (i) it is probable a loss has been incurred, and if so if the amount of such loss (or a range of loss) is reasonably estimable, or (ii) it is reasonably possible but not probable a loss has been incurred, and if so if the amount of such loss (or a range of loss) is reasonably estimable, or (iii) the probability a loss has been incurred is remote. We have not accrued any amounts for litigation matters because of the uncertainty of the liability and inability to reasonably estimate the liability, if any. We currently believe the disposition of all claims and disputes, individually or in the aggregate, should not have a material adverse effect on our Consolidated Financial Statements, results of operations or liquidity.

Note 8 – Financial instruments:

The following table presents the financial instruments that are not carried at fair value but which require fair value disclosure:

December 31, 2024

September 30, 2025

Carrying

Fair

Carrying

Fair

    

amount

    

value

    

amount

    

value

(In thousands)

Cash and cash equivalents

$

60,782

$

60,782

$

46,268

$

46,268

Due to their near-term maturities, the carrying amounts of accounts receivable and accounts payable are considered equivalent to fair value. See Notes 3 and 5.

- 10 -

Note 9 – Related party transactions:

From time to time, we may have loans and advances outstanding between us and various related parties pursuant to term and demand notes. We generally enter into these loans and advances for cash management purposes. When we loan funds to related parties, we are generally able to earn a higher rate of return on the loan than we would earn if we invested the funds in other instruments, and when we borrow from related parties, we are generally able to pay a lower rate of interest than we would pay if we had incurred third-party indebtedness. While certain of these loans to affiliates may be of a lesser credit quality than cash equivalent instruments otherwise available to us, we believe we have considered the credit risks in the terms of the applicable loans. In this regard, we have an unsecured revolving demand promissory note with Valhi under which, as amended, we agreed to loan Valhi up to $25 million. Our loan to Valhi, as amended, bears interest at prime plus 1.00%, payable quarterly, with all principal due on demand, but in any event no earlier than December 31, 2026. Loans made to Valhi at any time under the agreement are at our discretion. At September 30, 2025, the outstanding principal balance receivable from Valhi under the promissory note was $8.1 million. Interest income (including unused commitment fees) on our loan to Valhi was $.8 million and $.7 million for the nine months ended September 30, 2024 and 2025, respectively.

Note 10 – Recent accounting pronouncements:

In December 2023, the Financial Accounting Standards Board (“FASB”) issued ASU 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. The ASU requires additional annual disclosure and disaggregation for the rate reconciliation, income taxes paid and income tax expense by federal, state and non-U.S. tax jurisdictions. In addition, the standard increases the disclosure requirements for items included in the rate reconciliation that meet a quantitative threshold. The ASU is effective for us beginning with our 2025 Annual Report. The ASU may be applied prospectively; however, entities have the option to apply it retrospectively. We are in the process of evaluating the additional disclosure requirements.  

In November 2024, the FASB issued ASU No. 2024-03, Reporting Comprehensive Income - Expense Disaggregation Disclosures. The ASU requires additional information about specific expense categories in the notes to financial statements for both interim and annual reporting periods. The ASU is effective for us beginning with our 2027 Annual Report, and for interim reporting in the first quarter of 2028, with early adoption permitted. We are in the process of evaluating the additional disclosure requirements.

ITEM 2.

MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Business Overview

We are a leading manufacturer of engineered components utilized in a variety of applications and industries. Through our Security Products segment we manufacture mechanical and electrical cabinet locks and other locking mechanisms used in postal, recreational transportation, office and institutional furniture, cabinetry, tool storage and healthcare applications. We also manufacture wake enhancement systems, stainless steel exhaust systems, gauges, throttle controls, trim tabs and related hardware and accessories for the recreational marine and other industries through our Marine Components segment.

General

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. Statements in this Quarterly Report that are not historical facts are forward-looking in nature and represent management’s beliefs and assumptions based on currently available information. In some cases, you can identify forward-looking statements by the use of words such as “believes,” “intends,” “may,” “should,” “could,” “anticipates,” “expects” or comparable terminology, or by discussions of strategies or trends. Although we believe that the expectations reflected in such forward-looking statements are reasonable, we do not know if these expectations will be correct. Such statements by their nature involve substantial risks and uncertainties that could significantly impact expected results. Actual future results could differ materially from those predicted. The factors that could cause actual future results to differ materially from those described herein are the risks and uncertainties discussed in this Quarterly Report and those described from time to time in our other filings with the SEC and include, but are not limited to, the following:

Future supply and demand for our products;

- 11 -

Changes in our raw material and other operating costs (such as zinc, brass, aluminum, steel and energy costs), including as a result of additional or changed tariffs on imported raw materials, and our ability to pass those costs on to our customers or offset them with reductions in other operating costs;
Price and product competition from low-cost manufacturing sources (such as China);
The impact of pricing and production decisions;
Customer and competitor strategies including substitute products;
Uncertainties associated with new product development and the development of new product features;
Pending or possible future litigation (such as litigation related to our use of certain permitted chemicals in our production process) or other actions;
Our ability to protect or defend our intellectual property rights;
Potential difficulties in integrating future acquisitions;
Decisions to sell operating assets other than in the ordinary course of business;
Environmental matters (such as those requiring emission and discharge standards for existing and new facilities);
The ultimate outcome of income tax audits, tax settlement initiatives or other tax matters, including future tax reform;
Government laws and regulations and possible changes therein including new environmental, health and safety, sustainability or other regulations;
General global economic and political conditions that disrupt our supply chain, reduce demand or perceived demand for component products or impair our ability to operate our facilities (including changes in the level of gross domestic product in various regions of the world, natural disasters, terrorist acts, global conflicts and public health crises);
Operating interruptions (including, but not limited to, labor disputes, leaks, natural disasters, fires, explosions, unscheduled or unplanned downtime, transportation interruptions, certain regional and world events or economic conditions and public health crises);
The introduction of new, or changes in existing, tariffs, trade barriers or trade disputes (including tariffs imposed by the U.S. government on imports from China and Mexico);
Technology related disruptions (including, but not limited to, cyber-attacks; software implementation, upgrades or improvements; technology processing failures; or other events) related to our technology infrastructure that could impact our ability to continue operations, or at key vendors which could impact our supply chain, or at key customers which could impact their operations and cause them to curtail or pause orders; and
Possible disruption of our business or increases in the cost of doing business resulting from terrorist activities or global conflicts.

Should one or more of these risks materialize (or the consequences of such development worsen), or should the underlying assumptions prove incorrect, actual results could differ materially from those currently forecasted or expected. We disclaim any intention or obligation to update or revise any forward-looking statement whether as a result of changes in information, future events or otherwise.

Operating Income Overview

Operating income in the third quarter of 2025 was $4.8 million compared to $3.3 million in the same period of 2024. Operating income for the first nine months of 2025 was $17.0 million compared to $12.1 million for the comparable prior year period. Our operating income increased in the third quarter and for the first nine months of 2025 due to higher sales and gross margin at each of the Security Products and Marine Components segments.

We sell a large number of products that have a wide variation in selling price and manufacturing cost, which results in certain practical limitations on our ability to quantify the impact of changes in individual product sales quantities and selling prices on our net sales, cost of sales and gross margin. In addition, small variations in period-to-period net sales, cost of sales and gross margin can result from changes in the relative mix of our products sold.

- 12 -

Results of Operations

    

Three months ended

 

September 30, 

 

2024

%  

2025

%

(Dollars in thousands)

 

Net sales

$

33,667

 

100.0

%  

$

39,950

 

100.0

%

Cost of sales

 

24,199

 

71.9

 

28,921

 

72.4

Gross margin

 

9,468

 

28.1

 

11,029

 

27.6

Operating costs and expenses

 

6,119

 

18.2

 

6,268

 

15.7

Operating income

$

3,349

 

9.9

%  

$

4,761

 

11.9

%

Nine months ended

 

September 30, 

 

    

2024

    

%

    

2025

    

%

(Dollars in thousands)

 

Net sales

$

107,525

 

100.0

%  

$

120,588

 

100.0

%

Cost of sales

 

77,225

 

71.8

 

84,506

 

70.1

Gross margin

 

30,300

 

28.2

 

36,082

 

29.9

Operating costs and expenses

 

18,155

 

16.9

 

19,132

 

15.9

Operating income

$

12,145

 

11.3

%  

$

16,950

 

14.0

%

Net sales. Net sales increased $6.3 million and $13.1 million in the third quarter and for the first nine months of 2025, respectively, compared to the same periods in 2024 primarily due to higher Security Products sales to the government security market and higher Marine Component sales to various markets including the towboat, government and industrial markets. See segment discussion below.

Cost of sales and gross margin. Cost of sales as a percentage of sales increased .5% in the third quarter of 2025 compared to the same period in 2024. As a result, gross margin as a percentage of sales decreased over the same period. Gross margin percentage decreased in the third quarter of 2025 compared to the same period in 2024 primarily due to lower Security Products gross margin percentage partially offset by higher Marine Components gross margin percentage. Cost of sales as a percentage of sales improved 1.7% for the first nine months of 2025 compared to the same period in 2024. As a result, gross margin as a percentage of sales increased over the same period. The increase in gross margin percentage for the nine-month comparative period is primarily due to higher gross margin percentage at Marine Components, partially offset by lower Security Products gross margin percentage. See segment discussion below.

Operating costs and expenses. Operating costs and expenses consist primarily of sales and administrative-related personnel costs, sales commissions and advertising expenses directly related to product sales and administrative costs relating to business unit and corporate management activities, as well as any gains and losses on property and equipment. Operating costs and expenses for the third quarter of 2025 were comparable to the same period in 2024. Operating costs and expenses for the first nine months of 2025 increased $1.0 million compared to the same period in 2024 primarily due to higher employee-related costs including salaries, benefits and medical expenses at both segments. Operating costs and expenses as a percentage of net sales decreased for the third quarter and for the first nine months of 2025 due to higher coverage of operating costs and expenses as a result of higher sales.

Operating income. As a percentage of net sales, operating income for the third quarter and the first nine months of 2025 increased compared to the same periods of 2024 and was primarily impacted by the factors affecting sales, cost of sales, gross margin and operating costs and expenses. See segment discussion below.

Interest income. Interest income decreased $.4 million and $1.2 million in the third quarter and for the first nine months of 2025, respectively, compared to the same periods in 2024 primarily due to lower average interest rates and decreased cash balances.

Provision for income taxes. A tabular reconciliation of our actual tax provision to the U.S. federal statutory income tax rate is included in Note 6 to the Condensed Consolidated Financial Statements. Our operations are wholly within the U.S. and therefore our effective income tax rate is primarily reflective of the U.S. federal statutory rate and applicable state taxes.

- 13 -

Segment Results

Key performance indicators for our segments are gross margin and operating income.

Three months ended

    

Nine months ended

    

 

September 30, 

%  

September 30, 

%  

 

    

2024

    

2025

    

Change

    

2024

    

2025

    

Change

 

(Dollars in thousands)

(Dollars in thousands)

 

Security Products:

 

  

 

  

 

  

 

  

 

  

 

  

Net sales

$

26,567

$

30,266

 

14

%  

$

84,667

$

91,179

 

8

%

Cost of sales

 

18,486

 

21,698

 

17

 

58,862

 

64,059

 

9

Gross margin

 

8,081

 

8,568

 

6

 

25,805

 

27,120

 

5

Operating costs and expenses

 

3,528

 

3,583

 

2

 

10,360

 

10,846

 

5

Operating income

$

4,553

$

4,985

 

9

$

15,445

$

16,274

 

5

Gross margin

 

30.4

%  

 

28.3

%  

 

30.5

%  

 

29.7

%  

  

Operating income margin

 

17.1

 

16.5

 

 

18.2

 

17.8

 

  

Security Products. Security Products net sales increased 14% and 8% in the third quarter and first nine months of 2025, respectively, compared to the same periods in 2024. Relative to prior year, the increase in third quarter sales was primarily due to $4.0 million higher sales to the government security market and $.3 million higher sales to the gas station security market, partially offset by $.7 million lower sales to the healthcare market and $.3 million lower sales to the tool storage market. Relative to prior year, the increase in sales for the first nine months was primarily due to $8.9 million higher sales to the government security market and $.5 million higher sales to the gas station security market, partially offset by lower sales to a variety of other markets including $1.3 million lower sales to the transportation market, $.9 million lower sales to the tool storage market and $.4 million lower contract plating sales.

Gross margin as a percentage of net sales for the third quarter of 2025 decreased compared to the same period in 2024 primarily due to higher cost inventory produced during the second quarter of 2025 and sold in the third quarter of 2025 and higher employee-related costs including salaries, benefits and medical expense partially offset by increased coverage of fixed costs as a result of higher sales. Gross margin as a percentage of net sales for the first nine months of 2025 decreased compared to the same period in 2024 primarily due to higher employee-related costs including salaries, benefits and medical expense partially offset by increased coverage of fixed costs as result of higher sales. Operating income margin for the third quarter and for the first nine months of 2025 decreased primarily due to the decreases in gross margin discussed above partially offset by increased coverage of operating costs and expenses on higher sales.

Three months ended

Nine months ended

    

 

September 30, 

%  

September 30, 

%  

 

    

2024

    

2025

    

Change

    

2024

    

2025

    

Change

 

(Dollars in thousands)

(Dollars in thousands)

 

Marine Components:

 

  

 

  

 

  

 

  

 

  

 

  

Net sales

$

7,100

$

9,684

 

36

%  

$

22,858

$

29,409

 

29

%

Cost of sales

 

5,713

 

7,223

 

26

 

18,363

 

20,447

 

11

Gross margin

 

1,387

 

2,461

 

77

 

4,495

 

8,962

 

99

Operating costs and expenses

 

784

 

915

 

17

 

2,471

 

2,781

 

13

Operating income

$

603

$

1,546

 

156

$

2,024

$

6,181

 

205

Gross margin

 

19.5

%  

 

25.4

%  

 

19.7

%  

 

30.5

%  

  

Operating income margin

 

8.5

 

16.0

 

 

8.9

 

21.0

 

  

Marine Components. Marine Components net sales increased 36% in the third quarter of 2025 compared to the same period in 2024. Relative to prior year, the increase in third quarter sales was primarily due to $1.2 million higher sales to the industrial market, $.9 million higher sales to the towboat market and $.5 million higher sales to the government market. Marine Components net sales increased 29% in the first nine months of 2025 compared to the same period in 2024. Relative to prior year, the increase in sales for the first nine months was primarily due to $3.2 million higher sales to the towboat market, $3.1 million higher sales to the government market and $1.0 million higher sales to the industrial market, partially offset by $.9 million lower sales to the center console market.

Gross margin as a percentage of net sales increased in the third quarter and for the first nine months of 2025

- 14 -

compared to the same periods last year primarily due to increased coverage of fixed costs as a result of higher sales and to a lesser extent a more favorable customer and product mix. Operating income margin increased primarily due to the increases in gross margin discussed above and increased coverage of operating costs and expenses on higher sales.

Outlook. Sales for the first nine months of 2025 reflect sustained demand across both of our segments, with year-to-date results exceeding those for the same period in 2024. Marine Components sales and operating income for the first nine months of 2025 exceeded prior year levels, driven by improved demand in the government and industrial markets as well as increased sales to the towboat market primarily in the first quarter of 2025 related to a one-time stocking event for a towboat OEM customer. Security Products sales improved from prior year primarily due to increased sales to the government security market. Raw material price increases that began in the third quarter of 2024 have persisted through the first nine months of 2025. Additionally, we began incurring tariff-related surcharges on certain components, primarily electronic components from Asia, beginning late in the second quarter of 2025. We expect these cost pressures to continue through the remainder of the year.

We expect Security Products net sales in 2025 to improve over 2024 primarily due to continued higher sales to the government security market. However, we expect softness in various other markets to partially offset these gains, primarily the transportation and tool storage markets. Security Products gross margin and operating income percentages are expected to be slightly below prior year levels due to the impact of higher-cost inventory and tariff-related surcharges. We expect Marine Components net sales to increase in 2025 predominantly due to higher expected sales to the government and industrial markets as well as the one-time stocking event for a towboat OEM customer in the first quarter 2025. Overall, we expect Marine Components to have improved gross margin and operating income percentages in 2025 compared to 2024 due to increased coverage of fixed costs on higher expected sales volumes.

We manufacture substantially all of our products in the U.S. and source a substantial majority of our raw materials from U.S. suppliers. We also source certain components, primarily electronic components from Asia, including China. Early in the first quarter of 2025, in anticipation of the U.S. federal government tariffs announcements, we increased purchases of certain electronic components and other components to mitigate the potential near-term impact of tariffs. As noted above, late in the second quarter we began incurring tariff-related surcharges on certain raw materials, primarily electronic components. In addition to tariffs on imported raw materials and components, some of our U.S. based suppliers have recently begun to implement tariff-related surcharges on certain U.S. based purchases. Where possible, we are increasing selling prices to our customers to recoup these increased raw material costs, although the extent to which we can fully recover such costs will depend on a variety of factors including the ultimate tariff rate, the length of time tariffs are in effect, and the ability of our customers to substitute alternative products. We will continue to monitor current and anticipated near-term customer demand levels to ensure our production capabilities and inventories are aligned accordingly.

Our expectations for our operations and the markets we serve are based on a number of factors outside our control. Currently, our supply chains are stable and transportation and logistical delays are minimal. We have experienced global and domestic supply chain challenges in the past, and any future impacts on our operations will depend on, among other things, any future disruption in our operations or our suppliers’ operations, the effect of tariffs, and the impact of economic conditions, consumer confidence, and geopolitical events on demand for our products or our customers’ and suppliers’ operations, all of which remain uncertain and cannot be predicted.

Liquidity and Capital Resources

Consolidated cash flows –

Operating activities. Trends in cash flows from operating activities, excluding changes in assets and liabilities, have generally been similar to the trends in operating earnings. Changes in assets and liabilities result primarily from the timing of production, sales and purchases. Changes in assets and liabilities generally tend to even out over time. However, period-to-period relative changes in assets and liabilities can significantly affect the comparability of cash flows from operating activities.

Our net cash provided by operating activities for the first nine months of 2025 decreased by $4.8 million as compared to the first nine months of 2024. The decrease in net cash provided is primarily due to the net effects of:

A $9.4 million increase in the amount of net cash used by relative changes in our inventories, receivables, prepaids, payables and non-tax related accruals in 2025;
A $4.9 million increase in operating income in 2025;

- 15 -

A $.7 million decrease in interest received in 2025 due to lower interest rates and decreased cash balances; and
A $.5 million decrease in cash paid for taxes in 2025 due to the relative timing of payments.

Changes in working capital can have a significant effect on cash flows from operating activities. As shown below, the change in our average days sales outstanding increased from December 31, 2024 to September 30, 2025 primarily as a result of a seasonal increase in sales during the third quarter as compared to the fourth quarter and the timing of sales and collections relative to the end of the quarter. For comparative purposes, we have provided December 31, 2023 and September 30, 2024 numbers below.

December 31, 

September 30, 

December 31, 

September 30, 

Days Sales Outstanding:

    

2023

    

2024

    

2024

    

2025

Security Products

 

37 Days

 

40 Days

36 Days

 

42 Days

Marine Components

 

31 Days

 

37 Days

23 Days

 

38 Days

Consolidated CompX

 

36 Days

 

39 Days

33 Days

 

41 Days

As shown below, our average number of days in inventory increased from December 31, 2024 to September 30, 2025 primarily due to increased inventory at Security Products as a result of higher raw material and production costs and to meet expected customer demand, partially offset by lower days in inventory at Marine Components primarily due to higher sales volumes for the third quarter of 2025 as compared to the fourth quarter of 2024. For comparative purposes, we have provided December 31, 2023 and September 30, 2024 numbers below.

December 31, 

September 30, 

December 31, 

September 30, 

Days in Inventory:

    

2023

    

2024

    

2024

    

2025

Security Products

 

77 Days

 

98 Days

85 Days

 

91 Days

Marine Components

 

175 Days

 

130 Days

130 Days

 

116 Days

Consolidated CompX

 

95 Days

 

105 Days

94 Days

 

97 Days

Investing activities. Our capital expenditures were $3.1 million and $1.2 million in the first nine months of 2025 and 2024, respectively. During the first nine months of 2025, Valhi repaid a net $1.2 million under the promissory note ($10.7 million of gross borrowings and $11.9 million of gross repayments). During the first nine months of 2024, Valhi repaid a net $2.7 million under the promissory note ($17.7 million of gross borrowings and $20.4 million of gross repayments). See Note 9 to our Condensed Consolidated Financial Statements.

During the first nine months of 2024, we received gross proceeds totaling $36.0 million related to U.S. treasury bill maturities.

Financing activities. Financing activities consisted only of cash dividends. During the first nine months of 2025 and 2024, we paid aggregate quarterly dividends to CompX stockholders of $.90 per share. Additionally, in August 2024 and August 2025, our board of directors declared a special dividend on our Class A common stock of $2.00 per share ($24.6 million) and $1.00 per share ($12.3 million), respectively. The declaration and payment of future dividends and the amount thereof, if any, is discretionary and is dependent upon our results of operations, financial condition, cash requirements for our businesses, contractual requirements and restrictions and other factors deemed relevant by our board of directors. The amount and timing of past dividends is not necessarily indicative of the amount or timing of any future dividends which we might pay.

Future cash requirements –

Liquidity. Our primary source of liquidity on an ongoing basis is our cash flow from operating activities, which is generally used to (i) fund capital expenditures, (ii) repay short-term or long-term indebtedness incurred primarily for capital expenditures, investment activities or reducing our outstanding stock, (iii) provide for the payment of dividends (if declared), and (iv) lend to affiliates. From time-to-time, we will incur indebtedness, primarily to fund capital expenditures or business combinations.

Periodically, we evaluate liquidity requirements, alternative uses of capital, capital needs and available resources in view of, among other things, our capital expenditure requirements, dividend policy and estimated future operating cash flows. As a result of this process, we have in the past and may in the future seek to raise additional capital, refinance or restructure indebtedness, issue additional securities, modify our dividend policy or take a combination of such steps to manage our liquidity and capital resources. In the normal course of business, we may review opportunities for acquisitions, joint ventures or other business combinations in the component products industry. In the event of any such transaction, we

- 16 -

may consider using available cash, issuing additional equity securities or increasing our indebtedness or that of our subsidiaries.

We believe that cash generated from operations together with cash on hand, as well as our ability to obtain external financing, will be sufficient to meet our liquidity needs for working capital, capital expenditures, debt service, dividends (if declared) and any amounts we might loan from time to time under the terms of our revolving loan to Valhi discussed in Note 9 to our Condensed Consolidated Financial Statements (which loans would be solely at our discretion) for both the next 12 months and five years. To the extent that our actual operating results or other developments differ from our expectations, our liquidity could be adversely affected.

All of our $46.3 million aggregate cash and cash equivalents at September 30, 2025 were held in the U.S.

Capital expenditures. Firm purchase commitments for capital projects in process at September 30, 2025 totaled $1.2 million. We expect our capital expenditures for 2025 will be approximately $4 million primarily to meet our existing customer demand and those required to properly maintain our facilities and technology infrastructure.

Stock repurchase program. At September 30, 2025, we have 523,647 shares available for repurchase under a stock repurchase program authorized by our board of directors.

Commitments and contingencies –

We are subject to certain commitments and contingencies, as more fully described in our 2024 Annual Report or in Note 7 to our Condensed Consolidated Financial Statements.

Recent accounting pronouncements –

See Note 10 to our Condensed Consolidated Financial Statements.

Critical accounting policies –

There have been no changes in the first nine months of 2025 with respect to our critical accounting policies presented in Management’s Discussion and Analysis of Financial Condition and Results of Operations in our 2024 Annual Report.

ITEM  3.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

We are exposed to market risk from changes in interest rates and raw material prices. There have been no material changes in these market risks since we filed our 2024 Annual Report, and we refer you to Part I, Item 7A – “Quantitative and Qualitative Disclosure About Market Risk” in our 2024 Annual Report. See also Note 8 to our Condensed Consolidated Financial Statements.

ITEM  4.CONTROLS AND PROCEDURES.

Evaluation of Disclosure Controls and Procedures. We maintain disclosure controls and procedures which, as defined in Exchange Act Rule 13a-15(e), means controls and other procedures that are designed to ensure that information required to be disclosed in the reports that we file or submit to the SEC under the Securities Exchange Act of 1934, as amended (the “Act”), is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information we are required to disclose in the reports that we file or submit to the SEC under the Act is accumulated and communicated to our management, including our principal executive officer and our principal financial officer, or persons performing similar functions, as appropriate to allow timely decisions to be made regarding required disclosure. Our management with the participation of Scott C. James, our President and Chief Executive Officer, and Amy A. Samford, our Executive Vice President and Chief Financial Officer, has evaluated the design and operating effectiveness of our disclosure controls and procedures as of September 30, 2025. Based upon their evaluation, these executive officers have concluded that our disclosure controls and procedures are effective as of the date of such evaluation.

Internal Control Over Financial Reporting. Our management is responsible for establishing and maintaining adequate internal control over financial reporting which, as defined in Exchange Act Rule 13a-15(f), means a process designed by, or under the supervision of, our principal executive and principal financial officers, or persons performing

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similar functions, and effected by our board of directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles, and includes those policies and procedures that:

Pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and dispositions of our assets,
Provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with GAAP, and that receipts and expenditures are being made only in accordance with authorizations of our management and directors, and
Provide reasonable assurance regarding prevention or timely detection of an unauthorized acquisition, use or disposition of our assets that could have a material effect on our Condensed Consolidated Financial Statements.

Changes in Internal Control Over Financial Reporting. There have been no changes in our internal control over financial reporting during the quarter ended September 30, 2025 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Part II. OTHER INFORMATION

ITEM  1.Legal Proceedings.

Refer to Note 7 to our Condensed Consolidated Financial Statements and our 2024 Annual Report for descriptions of certain legal proceedings.

ITEM  1A.Risk Factors.

Reference is made to the 2024 Annual Report for a discussion of risk factors related to our businesses.

ITEM  6.Exhibits.

Item No.

    

Exhibit Index

31.1

Certification

31.2

Certification

32.1

Certification

101.INS

Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

101.SCH

Inline XBRL Taxonomy Extension Schema

101.CAL

Inline XBRL Taxonomy Extension Calculation Linkbase

101.DEF

Inline XBRL Taxonomy Extension Definition Linkbase

101.LAB

Inline XBRL Taxonomy Extension Label Linkbase

101.PRE

Inline XBRL Taxonomy Extension Presentation Linkbase

104

Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101)

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SIGNATURES

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 thereunto duly authorized.

    

COMPX INTERNATIONAL INC.

(Registrant)

Date:  November 5, 2025

By:

/s/ Amy A. Samford

Amy A. Samford

Executive Vice President and Chief Financial Officer

By:

/s/ Amy E. Ruf

Amy E. Ruf

Senior Vice President and Controller

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Exhibit 31.1

CERTIFICATION

I, Scott C. James, certify that:

1)I have reviewed this quarterly report on Form 10-Q of CompX International Inc.;
2)Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3)Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4)The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d–15(e)) and internal control over financial reporting (as defined in Exchange Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting  principles;
c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5)The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent function):
a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and
b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:  November 5, 2025

By:

/s/ Scott C. James

Scott C. James

President and Chief Executive Officer


Exhibit 31.2

CERTIFICATION

I, Amy A. Samford, certify that:

1)I have reviewed this quarterly report on Form 10-Q of CompX International Inc.;
2)Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3)Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4)The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 13d-15(f)) for the registrant and have:
a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting  principles;
c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5)The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of registrant's board of directors (or persons performing the equivalent function):
a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and
b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date: November 5, 2025

By:

/s/ Amy A. Samford

Amy A. Samford

Executive Vice President and Chief Financial Officer

(Principal Financial Officer)


Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of CompX International Inc. (the Company) on Form 10-Q for the period ending September 30, 2025, as filed with the Securities and Exchange Commission on the date hereof (the Report), I, Scott C. James, President and Chief Executive Officer of the Company and I, Amy A. Samford, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. §1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, that:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

By:

/s/ Scott C. James

Scott C. James

President and Chief Executive Officer

By:

/s/ Amy A. Samford

Amy A. Samford

Executive Vice President and Chief Financial Officer

Date: November 5, 2025

Note:  The certification the registrant furnishes in this exhibit is not deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section.  Registration Statements or other documents filed with the Securities and Exchange Commission shall not incorporate this exhibit by reference, except as otherwise expressly stated in such filing.