Simpson Manufacturing Co., Inc. — Director's Dealing 2025

May 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Simpson Manufacturing Co., Inc. (SSD)
CIK: 0000920371
Period of Report: 2025-05-01

Reporting Person: Lutz Jennifer (EVP, Human Resources)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-05-01	Common Stock	S	330	$154.45	Disposed	4047	Direct

Footnotes

F1: The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $154.44 to $154.46, inclusive. The reporting person undertakes to provide to the Company, any security holder of the Company or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

F2: Includes Restricted Stock Units that have not yet vested.