Simpson Manufacturing (SSD) director reports sale of 2,375 shares on Form 4

Rhea-AI Filing Summary

Simpson Manufacturing Co., Inc. reported an insider stock transaction on a Form 4 for a company director. On 12/12/2025, the director sold 2,375 shares of common stock at a price of $168.16 per share. After this sale, the director continued to hold 6,086 shares of Simpson Manufacturing common stock in a direct ownership capacity.

Insider Trade Summary

Net Seller: 2,375 shares ($399,380)

Net Sell 1 txn

Insider Donaldson Philip E

Role Director

Sold 2,375 shs ($399K)

Type	Security	Shares	Price	Value
Sale	Common Stock	2,375	$168.16	$399K

Holdings After Transaction: Common Stock — 6,086 shares (Direct)

Footnotes (1)

Form 4 Insider Transactions: What Each Field Means →

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^*

Donaldson Philip E

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
12/12/2025

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	12/12/2025		S		2,375	D	$168.16	6,086	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:

Remarks:

	Cari Fisher, Attorney-in-Fact	12/15/2025
	** 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 insider transaction did Simpson Manufacturing (SSD) report on this Form 4?

The Form 4 reports that a director of Simpson Manufacturing Co., Inc. sold 2,375 shares of common stock on 12/12/2025.

At what price were the Simpson Manufacturing (SSD) shares sold?

The director sold the common stock at a price of $168.16 per share.

How many Simpson Manufacturing (SSD) shares does the insider hold after the transaction?

Following the reported sale, the director beneficially owned 6,086 shares of Simpson Manufacturing common stock.

What is the insider’s relationship to Simpson Manufacturing (SSD)?

The reporting person is identified as a Director of Simpson Manufacturing Co., Inc.

What type of security was involved in this Simpson Manufacturing (SSD) Form 4 filing?

The transaction involved common stock of Simpson Manufacturing Co., Inc.

Does this Simpson Manufacturing (SSD) Form 4 show any derivative security transactions?

Table II for derivative securities is present but does not list any specific derivative security transactions in the excerpt provided.