Simpson Manufacturing 11K Annual report of employee stock purchases

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 11-K

(Mark One)

ý ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the fiscal year ended December 31, 2023

o TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES

EXCHANGE ACT OF 1934

For the transition period from to

Commission file number 1-13429

A. Full title of the plan and the address of the plan, if different from that of the issuer named below:

Simpson Manufacturing Co., Inc. 401(k) Profit Sharing Plan

B. Name of issuer of the securities held pursuant to the plan and the address of its principal executive office:

Simpson Manufacturing Co., Inc.

5956 W. Las Positas Blvd.

Pleasanton, CA 94588

REQUIRED INFORMATION

The Simpson Manufacturing Co., Inc. 401(k) Plan (the “Plan”) is subject to the Employee Retirement Income Security Act of 1974, as amended (“ERISA”).


Item 4.			In lieu of the requirements of Items 1, 2 and 3 of Form 11-K, the following financial statements and schedules of the Plan (which have been prepared in accordance with ERISA financial reporting requirements), notes thereto and Report of Independent Registered Public Accounting Firm thereon are being filed as Exhibit 99.1 to this Form 11-K: (a) Report of Independent Registered Public Accounting Firm. (b) Statements of Net Assets Available for Benefits as of December 31, 2023 and 2022. (c) Statement of Changes in Net Assets Available for Benefits for the Year Ended December 31, 2023. (d) Notes to Financial Statements. (e) Supplemental Schedules Schedule H, Part IV, Line 4a - Schedule of Delinquent Participant Contributions for the Year Ended December 31, 2023. Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) as of December 31, 2023.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the trustees (or other persons who administer the employee benefit plan) have duly caused this annual report to be signed on its behalf by the undersigned hereunto duly authorized.

Simpson Manufacturing Co., Inc. 401(k)

Profit Sharing Plan

(Name of Plan)

Date

July 12, 2024

/s/ Brian Magstadt

Name:

Brian Magstadt

Title:

Chief Financial Officer
Member, Administrative Committee of the Simpson Manufacturing Co., Inc. 401(k)
Profit Sharing Plan


EXHIBIT INDEX

Exhibit Number

23*						Consent of Armanino LLP - Independent Registered Public Accounting Firm

99.1*						Financial statements for the Simpson Manufacturing Co., Inc. 401(k) Profit Sharing Plan for the fiscal year ended December 31, 2023




*Filed herewith

Simpson Manufacturing (SSD) 11-KAnnual report of employee stock purchases