Janeen B. Kastner - 16 Jul 2025 Form 4 Insider Report for RPM INTERNATIONAL INC/DE/ (RPM)

Role: VP Corp. Benefits/Risk Mgmt.
Signature: /s/ Janeen B. Kastner, by Gregory J. Dziak, her attorney-in-fact pursuant to Power of Attorney dated October 9, 2014 on file with the Commission
Issuer symbol: RPM
Transactions as of: 16 Jul 2025
Net transactions value: $0
Form type: 4
Filing time: 18 Jul 2025, 20:03:18 UTC
Previous filing: 03 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Kastner Janeen B.	VP Corp. Benefits/Risk Mgmt.	2628 PEARL ROAD, MEDINA	/s/ Janeen B. Kastner, by Gregory J. Dziak, her attorney-in-fact pursuant to Power of Attorney dated October 9, 2014 on file with the Commission	18 Jul 2025	0001622407

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	RPM	Common Stock, $0.01 par value	Award	$0	+1,443	+1.2%	$0.000000	123,087	16 Jul 2025	Direct	F1
transaction	RPM	Common Stock, $0.01 par value	Award	$0	+970	+0.79%	$0.000000	124,057	16 Jul 2025	Direct	F2, F3
holding	RPM	Common Stock, $0.01 par value						1,101	16 Jul 2025	By 401(k) Plan	F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	RPM	Stock Appreciation Rights	Award	$0	+15,100	+7.4%	$0.000000	220,000	16 Jul 2025	Common Stock	15,100	$110.59	Direct	F5, F6

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The Reporting Person was granted 1,443 shares of Common Stock, issued pursuant to the RPM International Inc. 2024 Omnibus Equity and Incentive Plan (the "Plan").
F2	The Reporting Person was granted 970 shares of Common Stock, issued as Peformance Earned Restricted Stock, pursuant to the Plan.
F3	Includes an aggregate of 7,837 unvested restricted shares of Common Stock, 16,121 vested restricted shares of Common Stock held in escrow until the Reporting Person's retirement and 5,540 shares of Common Stock, issued as Performance Earned Restricted Stock.
F4	Approximate number of shares of Common Stock held as of July 16, 2025 in the account of the Reporting Person by Fidelity Trust Management Company, as Trustee of the RPM International Inc. 401(k) Trust and Plan, as amended.
F5	The Stock Appreciation Rights vest in four equal installments, beginning on July 16, 2026.
F6	Stock Appreciation Rights granted in exempt transactions under Rule 16b-3. These Stock Appreciation Rights vest in four equal annual installments commencing one year after the date of grant. These Stock Appreciation Rights were granted between 2016 and 2025 and expire 10 years from the date of grant.