Smurfit Westrock (SW) CEO sells 40,000 ordinary shares

Rhea-AI Filing Summary

Smurfit Westrock plc President and Group CEO Anthony P. J. Smurfit reported an open-market sale of 40,000 Ordinary Shares on February 19, 2026 at a weighted average price of $51.54 per share.

After this transaction, he directly owned 1,642,610 Ordinary Shares. An additional 1,000 shares are reported as indirectly held by his child, with the filing stating that he disclaims beneficial ownership of those shares.

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

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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^*

SMURFIT ANTHONY P J

(Last) (First) (Middle)

BEECH HILL

CLONSKEAGH

(Street)

DUBLIN L2 D04N2R2

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Smurfit Westrock plc [ SW ]

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

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President and Group CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/19/2026

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
Ordinary Shares	02/19/2026		S		40,000	D	$51.54(1)	1,642,610	D
Ordinary Shares								1,000	I	See footnote(2)

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 in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $51.48 to $51.61. The reporting person undertakes to provide to Smurfit Westrock plc (the Company), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote (1) to this Form 4.

2. These shares are held by the Reporting Person's child who is part of the Reporting Person's household. The Reporting Person disclaims ownership of the shares held by this child, and this report is not an admission that the Reporting Person is the beneficial owner of these shares for the purposes of Section 16 or for any other purposes.

Remarks:

	/s/ Ciara O'Riordan (attorney-in-fact for Anthony Smurfit)	02/20/2026
	** 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 Smurfit Westrock (SW) report on this Form 4?

Smurfit Westrock reported that its President and Group CEO Anthony P. J. Smurfit sold 40,000 Ordinary Shares in an open-market transaction. The trades occurred at a weighted average price of $51.54 per share over multiple executions within a narrow price range.

At what price did the Smurfit Westrock (SW) CEO sell the 40,000 shares?

The CEO’s 40,000 Ordinary Shares were sold at a weighted average price of $51.54 per share. Individual trades took place between $51.48 and $51.61, as disclosed, with full trade-by-trade details available on request from the company or regulators.

How many Smurfit Westrock (SW) shares does the CEO own after this sale?

Following the sale, the CEO directly owned 1,642,610 Ordinary Shares of Smurfit Westrock. The filing also notes 1,000 additional shares held by his child, which he reports indirectly but expressly disclaims beneficial ownership for legal and reporting purposes.

What does the Form 4 say about the 1,000 indirectly held Smurfit Westrock (SW) shares?

The 1,000 indirectly reported shares are held by the CEO’s child, who lives in his household. The CEO disclaims ownership of these shares, and the filing explains that their inclusion does not constitute an admission of beneficial ownership under Section 16.

Was the Smurfit Westrock (SW) CEO’s transaction an open-market sale?

Yes, the filing describes the CEO’s transaction as a sale in an open-market or private transaction, coded as an “S” transaction. The disclosure emphasizes that the reported $51.54 price is a weighted average across multiple trades executed in a tight price band.