Smurfit Westrock (SW) CFO gets 25,178 RSUs and 3,348 shares withheld for tax

Rhea-AI Filing Summary

Smurfit Westrock plc Executive VP and Group CFO Ken Bowles reported routine equity compensation activity. On March 11, 2026, he was granted 25,178 restricted stock units (RSUs), each representing a contingent right to receive one ordinary share, vesting in three equal annual installments starting on the first anniversary of the grant date. On March 12, 2026, 3,348 ordinary shares were withheld to cover his tax obligations upon RSU vesting and settlement. Following these transactions, he directly holds 173,474 ordinary shares, and no open-market purchases or sales were reported.

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^*

Bowles Ken

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive VP and Group CFO

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)		25,178	A	$0	176,822	D
Ordinary Shares	03/12/2026		F(2)		3,348	D	$42.2	173,474	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 25,178 restricted stock units. Each restricted stock unit 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 Chief Financial Officer

	/s/ Ciara O'Riordan (attorney-in-fact for Ken Bowles)	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) CFO Ken Bowles report?

Ken Bowles reported a grant of 25,178 restricted stock units and a related tax-withholding disposition of 3,348 ordinary shares. These are compensation and tax events, not open-market trades, and leave him with 173,474 ordinary shares held directly.

How many Smurfit Westrock (SW) RSUs were granted to CFO Ken Bowles?

Ken Bowles received a grant of 25,178 restricted stock units. Each RSU represents a contingent right to one ordinary share, with the award scheduled to vest in three equal annual installments beginning on the first anniversary of the March 11, 2026 grant date.

How will Ken Bowles’ Smurfit Westrock (SW) RSUs vest over time?

The 25,178 restricted stock units granted to Ken Bowles are scheduled to vest in three equal annual installments. Vesting begins on the first anniversary of the March 11, 2026 grant date, meaning one-third of the RSUs will vest each year for three years.

Why were 3,348 Smurfit Westrock (SW) shares withheld from Ken Bowles?

Smurfit Westrock withheld 3,348 ordinary shares from Ken Bowles to satisfy his tax withholding obligations. This occurred upon the vesting and settlement of his restricted stock units and is classified as a tax-withholding disposition, not an open-market sale.

Did Smurfit Westrock (SW) CFO Ken Bowles buy or sell shares on the market?

The filing shows no open-market purchases or sales by Ken Bowles. Reported activity consists of an RSU grant and 3,348 shares withheld to cover taxes. After these compensation-related transactions, he directly owns 173,474 ordinary shares of Smurfit Westrock plc.

How many Smurfit Westrock (SW) shares does Ken Bowles hold after these transactions?

Following the RSU grant and tax-withholding share disposition, Ken Bowles directly holds 173,474 ordinary shares. This figure reflects his position after the March 12, 2026 withholding related to the vesting and settlement of his restricted stock units.