ssd-20260506

Delaware

1-13429

94-3196943

(State or other jurisdiction of incorporation)

(Commission file number)

(I.R.S. Employer Identification No.)


Securities registered pursuant to Section 12(b) of the Act:
Title of Each Class	Trading Symbol	Name of Each Exchange on Which Registered
Common Stock, par value $0.01 per share	SSD	New York Stock Exchange

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:


☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-2)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240. 13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

On May 6, 2026, the Company held its Annual Meeting of Stockholders (the “Annual Meeting”). At the Annual Meeting, the Company’s stockholders voted on the three proposals set forth below. A more detailed description of each proposal is set forth in the Company’s Proxy Statement filed with the Securities and Exchange Commission on March 24, 2026.


Proposal 1:			To elect eight directors, each to hold office until the Company's 2027 annual meeting of stockholders or until their successors are duly qualified and elected.


Proposal 2:			To approve, on an advisory basis, the compensation of the Company’s named executive officers.


Proposal 3:			To ratify the selection of Grant Thornton LLP as the Company’s independent registered public accounting firm for the 2026 fiscal year.

At the close of business on March 11, 2026, the record date for the Annual Meeting, there were 41,194,018 shares of the Company’s common stock outstanding and entitled to vote at the Annual Meeting (“Common Stock”). As the holders of 38,752,780 shares of Common Stock, having a majority of the votes that could be cast by the holders of all outstanding shares of Common Stock, were represented in person or by proxy at the Annual Meeting, a quorum was present.

Each of the foregoing proposals was adopted and approved by the stockholders at the Annual Meeting. The number of votes cast for or against, as well as abstentions and broker non-votes, if applicable, with respect to each of Proposals 1- 3 presented at the Annual Meeting, including a separate tabulation with respect to each director nominee for office are set forth below:


				Broker
	For	Against	Abstain	Non-Votes
James Andrasick	36,731,368	576,424	37,323	1,407,665
Chau Banks	36,967,419	356,164	21,532	1,407,665
Felica Coney	37,281,551	30,150	33,414	1,407,665
Philip Donaldson	37,206,780	117,141	21,194	1,407,665
Angela Drake	37,177,599	145,503	22,013	1,407,665
Celeste Volz Ford	36,700,436	621,885	22,794	1,407,665
Kenneth Knight	37,295,980	15,608	33,527	1,407,665
Michael Olosky	37,018,648	287,307	39,160	1,407,665

As a result, the eight individuals were elected by the stockholders as directors of the Company, each to hold office until the Company's 2027 annual meeting of stockholders or until his or her successor has been duly qualified and elected.

Proposal 2: Approval, on an advisory basis, of the compensation of the Company’s named executive officers.

As a result, the compensation paid to the Company's named executive officers as disclosed in the Company’s proxy statement for the Annual Meeting was approved by the stockholders.

Proposal 3: Ratification of the selection of Grant Thornton LLP as the Company’s independent registered public accounting firm for 2026.

As a result, the selection of Grant Thornton LLP by the Company's board of directors as the Company's independent registered public accounting firm for the fiscal year ending December 31, 2026 was ratified by the stockholders.


Exhibit No.						Description

104						Cover Page Interactive Data File (embedded within the XBRL document)

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Simpson Manufacturing Co., Inc.

(Registrant)

DATE:

May 18, 2026

/s/ Cassandra Payton

Cassandra Payton

Executive Vice President, General Counsel


FOR	AGAINST	ABSTAIN	BROKER NON-VOTES
36,669,378	644,944	30,793	1,407,665


FOR	AGAINST	ABSTAIN	BROKER NON-VOTES
38,577,835	116,705	58,240	0