[Form 4] CSW Industrials, Inc Insider Trading Activity

Rhea-AI Filing Summary

Don Sullivan, EVP and Chief Strategy Officer of CSW Industrials, Inc. (CSWI), reported an insider sale. The Form 4 shows a sale of 1,067 shares of CSWI common stock on 08/14/2025 at $283.14 per share executed under a 10b5-1 trading plan established on 09/13/2024. After the reported sale, Mr. Sullivan directly beneficially owns 22,641 shares and indirectly owns 1,875 shares through an ESOP. The form was signed by an attorney-in-fact on 08/18/2025.

Positive

• Transaction executed under a 10b5-1 plan, which indicates the sale was pre-planned and not necessarily based on undisclosed material information
• Reporting person retains direct and indirect ownership (22,641 direct shares and 1,875 indirect via ESOP) after the sale

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine insider sale under a pre-established 10b5-1 plan; appears non-material to capitalization.

The reported disposition of 1,067 shares at $283.14 was executed pursuant to a 10b5-1 trading plan, which typically indicates a scheduled sale rather than a discretionary trade. Post-transaction direct ownership remains 22,641 shares with an additional 1,875 shares held indirectly via an ESOP, suggesting the reporting person retains meaningful exposure to company equity. No derivative transactions or other material changes to ownership are disclosed.

Corporate Governance Expert

TL;DR: Governance disclosure is standard and compliant; sale documented and plan date disclosed.

The Form 4 properly discloses the sale date, price, and that the trade was effected under a 10b5-1 plan established 09/13/2024. Signature by an attorney-in-fact is indicated. This filing meets routine Section 16 reporting expectations and provides clear traceability of the transaction without revealing additional corporate governance concerns.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Sullivan Don

(Last) (First) (Middle)

5420 LBJ FREEWAY

SUITE 500

(Street)

DALLAS TX 75240

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CSW INDUSTRIALS, INC. [ CSW ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Chief Strategy Officer

3. Date of Earliest Transaction (Month/Day/Year)
08/14/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/14/2025		S(1)		1,067	D	$283.14	22,641	D
Common Stock								1,875	I	by ESOP

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The transaction reported was effected pursuant to a 10b5-1 trading plan established by the reporting person on September 13, 2024.

Remarks:

	/s/Luke E. Alverson, Attorney in Fact	08/18/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did CSWI insider Don Sullivan sell and when?

Don Sullivan sold 1,067 shares of CSW Industrials common stock on 08/14/2025 at a price of $283.14 per share.

Was the sale by Don Sullivan part of a 10b5-1 trading plan?

Yes. The Form 4 states the transaction was effected pursuant to a 10b5-1 plan established on 09/13/2024.

How many CSWI shares does Don Sullivan own after this transaction?

After the reported sale, Don Sullivan beneficially owns 22,641 shares directly and 1,875 shares indirectly through an ESOP.

Does the Form 4 show any option or derivative activity for CSWI by this reporting person?

No. Table II for derivative securities shows no derivative transactions reported in this filing.

Who signed the Form 4 and when was it signed?

The filing shows it was signed by Luke E. Alverson, Attorney in Fact on 08/18/2025.