[Form 4] Simpson Manufacturing Co., Inc. Insider Trading Activity

Rhea-AI Filing Summary

Simpson Manufacturing Co., Inc. (SSD) insider sale disclosed on Form 4. Executive Vice President, Europe Michael Andersen reported disposing of 1,000 shares of Common Stock on 08/25/2025 at a weighted average price of $196.13 per share. After the sale, Mr. Andersen beneficially owns 7,810 shares, a total that the filing notes includes Restricted Stock Units that have not yet vested. The filing includes an explanatory footnote that the reported price reflects multiple sale prices ranging from $196.12 to $196.14, and the Form bears a signature dated 08/26/2025.

Positive

• Detailed transaction disclosure showing date, weighted average price range ($196.12–$196.14), and number of shares sold (1,000).
• Post-transaction ownership disclosed as 7,810 shares with explicit note that this includes unvested Restricted Stock Units.
• Filing includes explanatory footnote offering to provide breakdown of shares sold at each price upon request.

Negative

• Officer disposed of 1,000 shares on 08/25/2025, reducing direct holdings (potential perception risk though materiality not stated).

Insights

Financial Analyst

TL;DR: Routine insider sale by an officer; small, transparent transaction with limited disclosed impact.

The filing documents a single-day disposition of 1,000 shares by EVP Michael Andersen at a weighted average price of $196.13. The report clarifies the sale occurred across multiple executions between $196.12 and $196.14. Post-transaction beneficial ownership is 7,810 shares, which includes unvested Restricted Stock Units. From a capital-markets perspective, this is a straightforward disclosure of an officer sale rather than evidence of broader corporate action; the filing provides the expected transactional detail and a signature certifying the report.

Corporate Governance Expert

TL;DR: Disclosure meets Section 16 requirements and documents RSUs in outstanding ownership.

The Form 4 identifies the reporting person, relationship to the issuer (EVP, Europe and director), and the exact transaction details required under Section 16. It explicitly notes that the post-sale beneficial ownership figure includes Restricted Stock Units that remain unvested, which is important for assessing true current economic ownership. The filing includes an explanatory footnote and a dated signature, aligning with routine governance and disclosure expectations.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Andersen Michael

(Last) (First) (Middle)

5956 W. LAS POSITAS BLVD

(Street)

PLEASANTON CA 94588

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Simpson Manufacturing Co., Inc. [ SSD ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, Europe

3. Date of Earliest Transaction (Month/Day/Year)
08/25/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/25/2025		S		1,000	D	$196.13(1)	7,810(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported is a weighted average sales price. The shares were sold in multiple transactions at prices ranging from $196.12 to $196.14, 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.

2. Includes Restricted Stock Units that have not yet vested.

Remarks:

	Cari Fisher, Attorney-in-Fact	08/26/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Michael Andersen report on the Form 4 for SSD?

The filing reports that EVP Michael Andersen sold 1,000 shares of Simpson Manufacturing common stock on 08/25/2025 at a weighted average price of $196.13 per share.

How many SSD shares does Michael Andersen beneficially own after the reported transaction?

After the sale, the Form 4 reports Mr. Andersen beneficially owns 7,810 shares, which the filing states include Restricted Stock Units that have not yet vested.

What price range were the shares sold at according to the filing?

The filing states the shares were sold in multiple transactions at prices ranging from $196.12 to $196.14, and the reported $196.13 is a weighted average sales price.

When was the Form 4 signed and filed?

The Form 4 includes a signature block dated 08/26/2025 (signature by attorney-in-fact Cari Fisher).

Does the filing disclose derivative transactions or option exercises?

No. The filing contains entries only in Table I for non-derivative common stock; Table II for derivative securities shows no reported transactions.