FRANK C. SULLIVAN - 16 Jul 2025 Form 4 Insider Report for RPM INTERNATIONAL INC/DE/ (RPM)

Role: Chairman and CEO, Director
Signature: /s/ Frank C. Sullivan, by Gregory J. Dziak, his attorney-in-fact pursuant to Power of Attorney dated September 26, 2013 on file with the Commission
Issuer symbol: RPM
Transactions as of: 16 Jul 2025
Transactions value $: $0
Form type: 4
Filing time: 18 Jul 2025, 20:05:30 UTC
Previous filing: 03 Jun 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
SULLIVAN FRANK C	Chairman and CEO, Director	2628 PEARL ROAD, MEDINA	/s/ Frank C. Sullivan, by Gregory J. Dziak, his attorney-in-fact pursuant to Power of Attorney dated September 26, 2013 on file with the Commission	18 Jul 2025	0001224025

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	+5.67K	+0.56%	$0.00	1.01M	16 Jul 2025	Direct	F1, F2, F3
holding	RPM	Common Stock, $0.01 par value						15.6K	16 Jul 2025	By Thomas C. Sullivan Irrevocable Trust FBO Frank C. Sullivan 10/26/12
holding	RPM	Common Stock, $0.01 par value						5.15K	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	+90.7K	+8.97%	$0.00	1.1M	16 Jul 2025	Common Stock	90.7K	$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 5,670 shares of Common Stock, issued as Peformance Earned Restricted Stock, pursuant to the RPM International Inc. 2024 Omnibus Equity and Incentive Plan (the "Plan").
F2	Includes an aggregate of 1,732 unvested restricted shares of Common Stock, 28,467 vested restricted shares of Common Stock held in escrow in the 1997 RPM International Inc. Restricted Stock Plan, 102,214 vested restricted shares of Common Stock held in escrow until the Reporting Person's retirement, and 27,210 shares of Common Stock, issued as Performance Earned Restricted Stock.
F3	Amount reduced by a total of 7,600 shares of Common Stock to reflect gifts timely reported on the Reporting Person's Form 5 dated July 13, 2021 but inadvertantly included in the Reporting Person's subsequent Section 16 reports.
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 2019 and 2025 and expire 10 years from the date of grant.