Smurfit Westrock (SW) grants 7,701 RSUs; 758 shares withheld for tax

Rhea-AI Filing Summary

Smurfit Westrock plc officer reports routine equity award and tax withholding. On March 11, 2026, the reporting person received 7,701 restricted stock units, each representing one Ordinary Share, scheduled to vest in three equal annual installments starting on the first anniversary of the grant date.

On March 12, 2026, 758 Ordinary Shares were withheld to cover tax obligations upon vesting and settlement of restricted stock units, at a value of $42.20 per share. After these transactions, the officer directly holds 14,636 Ordinary Shares. The filing reflects compensation and associated tax withholding rather than open-market buying or selling.

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^*

Garren Ben

(Last) (First) (Middle)

BEECH HILL, CLONSKEAGH

(Street)

DUBLIN 4 L2 D04 N2R2

(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)

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

3. Date of Earliest Transaction (Month/Day/Year)
03/11/2026

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	03/11/2026		A(1)		7,701	A	$0	15,394	D
Ordinary Shares	03/12/2026		F(2)		758	D	$42.2	14,636	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. On March 11, 2026, the reporting person was granted 7,701 restricted stock units (RSUs). Each RSU represents a contingent right to receive one Ordinary Share. The RSUs are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.

2. Reflects ordinary shares of Smurfit Westrock plc withheld to satisfy the Reporting Person's tax withholding obligation upon vesting and settlement of their restricted stock units.

Remarks:

Executive Vice President and Group General Counsel

	/s/ Ciara O'Riordan (attorney-in-fact for Ben Garren)	03/13/2026
	** 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 transactions did Smurfit Westrock (SW) report in this Form 4?

The filing shows a grant of 7,701 restricted stock units and withholding of 758 Ordinary Shares for taxes. These actions reflect equity-based compensation and related tax settlement, not open-market share purchases or sales.

How many Smurfit Westrock (SW) RSUs were granted to the officer?

The officer was granted 7,701 restricted stock units. Each RSU represents a contingent right to receive one Ordinary Share, vesting in three equal annual installments starting on the first anniversary of the March 11, 2026 grant date.

How are the Smurfit Westrock (SW) RSUs scheduled to vest?

The 7,701 restricted stock units are scheduled to vest in three equal annual installments. Vesting begins on the first anniversary of the March 11, 2026 grant date, aligning the officer’s compensation with multiyear company performance and retention.

Why were 758 Smurfit Westrock (SW) shares disposed of in this Form 4?

The 758 Ordinary Shares were withheld to satisfy the officer’s tax withholding obligation upon vesting and settlement of restricted stock units. This tax-withholding disposition is a standard administrative mechanism, not an open-market sale decision.

What is the officer’s Smurfit Westrock (SW) share ownership after these transactions?

Following the RSU grant and subsequent tax withholding, the officer directly owns 14,636 Ordinary Shares. This figure reflects the net equity position after both the compensation-related award and the 758-share tax-withholding disposition.

At what value were the 758 Smurfit Westrock (SW) shares withheld for taxes?

The 758 Ordinary Shares withheld for tax obligations were valued at $42.20 per share. This value is used solely for calculating the tax-withholding disposition tied to the RSU vesting and does not indicate an open-market trade price.