Related Party and Parties-in-Interest Transactions	12 Months Ended
Dec. 31, 2025
EBP 011 [Member]
EBP, Related Party and Party-in-Interest Transactions [Line Items]
Related Party and Parties-in-Interest Transactions	NOTE F - Related Party and Parties-in-Interest Transactions Fidelity Management Trust Company (FMTC) is the Plan trustee. Certain Plan investments are managed by FMTC and therefore, these transactions qualify as party-in-interest transactions. Notes receivable from participants are also considered party-in-interest transactions. As described in Note A, the Plan paid certain expenses related to plan operations and investment activity to various service providers. The plan also issues loans to participants which are secured by the vested balance of the participants’ accounts. These transactions are party-in-interest transactions, which are exempt from prohibited transaction rules. In addition, at December 31, 2025, the Plan held 432,416 shares of RPM International Inc. common stock valued at $44,974,006. During 2025, there were purchases of $1,620,322, sales of $7,725,624, and interest and dividend income of $949,536 for RPM International Inc. common stock. At December 31, 2024, the Plan held 477,453 shares of RPM International Inc. common stock valued at $58,758,424.

Related Party and Parties-in-Interest Transactions

12 Months Ended

Dec. 31, 2025

NOTE F - Related Party and

Parties-in-Interest

Transactions

Fidelity Management Trust Company (FMTC) is the Plan trustee. Certain Plan investments are managed by FMTC and therefore, these transactions qualify as

party-in-interest

transactions. Notes receivable from participants are also considered

party-in-interest

transactions. As described in Note A, the Plan paid certain expenses related to plan operations and investment activity to various service providers. The plan also issues loans to participants which are secured by the vested balance of the participants’ accounts. These transactions are

party-in-interest

transactions, which are exempt from prohibited transaction rules.

In addition, at December 31, 2025, the Plan held 432,416 shares of RPM International Inc. common stock valued at $44,974,006. During 2025, there were purchases of $1,620,322, sales of $7,725,624, and interest and dividend income of $949,536 for RPM International Inc. common stock. At December 31, 2024, the Plan held 477,453 shares of RPM International Inc. common stock valued at $58,758,424.