[SCHEDULE 13G] CSW INDUSTRIALS, INC. SEC Filing

Rhea-AI Filing Summary

CSW Industrials, Inc. reported a new Schedule 13G from Capital World Investors, disclosing beneficial ownership of 1,045,747 shares of common stock, representing 6.2% of the class as of 09/30/2025.

The filer reports sole voting power and sole dispositive power over 1,045,747 shares, with no shared voting or dispositive power. The filing characterizes the filer as an investment adviser (IA) and states the securities were acquired and are held in the ordinary course, not for the purpose of changing or influencing control. The disclosure notes the percentage is based on 16,802,468 shares believed to be outstanding.

Item 6 identifies SMALLCAP World Fund, Inc. as a person that may have the right to receive dividends or sale proceeds for more than five percent of the class.

Insights

Equity ownership & regulatory filings analyst

Capital World Investors reports a 6.2% passive stake in CSW.

Capital World Investors filed a Schedule 13G indicating beneficial ownership of 1,045,747 CSW Industrials shares, equal to 6.2% of the class as of 09/30/2025. The filer reports sole voting and sole dispositive power over the same number of shares.

A 13G is a passive ownership filing. The certification states the shares were acquired and are held in the ordinary course and not to change or influence control. The percentage is calculated against 16,802,468 shares believed outstanding.

Item 6 notes SMALLCAP World Fund, Inc. may have rights to dividends or sale proceeds tied to more than five percent of the class. Actual market impact depends on future portfolio activity by the reporting entities.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

CSW Industrials, Inc.

(Name of Issuer)

Common Stock

(Title of Class of Securities)

126402106

(CUSIP Number)

09/30/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. 126402106

1

Names of Reporting Persons

Capital World Investors

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 1,045,747.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 1,045,747.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,045,747.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.2 %

12

Type of Reporting Person (See Instructions)

IA

SCHEDULE 13G

Item 1.
(a)	Name of issuer: CSW Industrials, Inc.
(b)	Address of issuer's principal executive offices: 5420 LYNDON B. JOHNSON FREEWAY, SUITE 500, DALLAS, TX 75240
Item 2.
(a)	Name of person filing: Capital World Investors
(b)	Address or principal business office or, if none, residence: 333 SOUTH HOPE STREET, 55TH FLOOR, LOS ANGELES, CALIFORNIA 90071
(c)	Citizenship: N/A
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 126402106
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 1,045,747 ** **Capital World Investors ("CWI") is a division of Capital Research and Management Company ("CRMC"), as well as its investment management subsidiaries and affiliates Capital Bank and Trust Company, Capital International, Inc., Capital International Limited, Capital International Sarl, Capital International K.K., Capital Group Private Client Services, Inc., and Capital Group Investment Management Private Limited (together with CRMC, the "investment management entities"). CWI's divisions of each of the investment management entities collectively provide investment management services under the name "Capital World Investors." CWI is deemed to be the beneficial owner of 1,045,747 shares or 6.2% of the 16,802,468 shares believed to be outstanding.
(b)	Percent of class: 6.2 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1,045,747
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1,045,747
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. SMALLCAP World Fund, Inc.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Capital World Investors

Signature:	Timothy J. Moon
Name/Title:	Vice President and Senior Counsel, Capital Research and Management Company
Date:	11/13/2025

FAQ

What did Capital World Investors disclose about CSW (CSW) holdings?

They reported beneficial ownership of 1,045,747 CSW Industrials common shares, representing 6.2% of the class.

What type of filing was made for CSW Industrials (CSW)?

A Schedule 13G, indicating a passive ownership position.

What voting and dispositive powers were reported?

The filer reported sole voting power over 1,045,747 shares and sole dispositive power over 1,045,747 shares, with no shared powers.

What is the event date for this ownership disclosure?

The date of event was 09/30/2025.

What share count was used to calculate the 6.2% stake?

The filer referenced 16,802,468 shares believed to be outstanding.

Did the filer indicate an intent to influence control at CSW?

No. The certification states the shares were acquired and are held in the ordinary course, not to change or influence control.

Who else may have rights to dividends or sale proceeds?

SMALLCAP World Fund, Inc. was identified in Item 6 as potentially having such rights.