Smurfit Westrock (SW) director gains 51 dividend-equivalent RSUs, now holds 25,640 shares

Rhea-AI Filing Summary

Smurfit Westrock plc director Suzan F. Harrison received an automatic share-based award linked to dividends. On the reported date, she acquired 51 ordinary shares through restricted stock units that accrued as dividend equivalents from a quarterly dividend of $0.4523 per ordinary share. These additional units carry the same terms as the original restricted stock award. Following this grant, she directly holds 25,640 ordinary shares, including 4,422 restricted stock units scheduled to vest on the earlier of May 2, 2026 or the company’s next annual stockholder meeting.

Insights

Equity Compensation Analyst

Routine dividend-equivalent RSU accrual; modest, compensation-related event.

The filing shows Suzan F. Harrison, a director of Smurfit Westrock plc, acquiring 51 ordinary shares via restricted stock units that accrued as dividend equivalents on a quarterly dividend of $0.4523 per share. This is compensation-related, not an open-market purchase.

The units follow the same terms as the underlying award, and her direct holdings rise to 25,640 ordinary shares, including 4,422 restricted stock units that vest on the earlier of May 2, 2026 or the next annual meeting. The scale is small relative to her total reported holdings, indicating a routine, formula-driven adjustment.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Harrison Suzan F.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Ordinary Shares	51	$0.00	--

Holdings After Transaction: Ordinary Shares — 25,640 shares (Direct)

Footnotes (1)

1. In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share. Includes 4,422 restricted stock units which will vest on the earlier of (i) May 2, 2026 or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders

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^*

Harrison Suzan F.

(Last) (First) (Middle)

BEECH HILL, CLONSKEAGH

(Street)

DUBLIN 4 D04 N2R2

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/18/2026

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

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

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

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	03/18/2026		A		51	A	$0(1)	25,640(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. In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 per ordinary share. Such additional restricted stock units are subject to the same terms and conditions as the underlying award. Each restricted stock unit represents the right to receive one ordinary share.

2. Includes 4,422 restricted stock units which will vest on the earlier of (i) May 2, 2026 or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders

Remarks:

	/s/ Ciara O'Riordan, attorney-in-fact for Suzan F. Harrison	03/20/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What did Suzan F. Harrison acquire in Smurfit Westrock (SW) according to this Form 4?

Suzan F. Harrison acquired 51 ordinary shares of Smurfit Westrock plc through restricted stock units. These units accrued as dividend equivalents tied to a quarterly dividend payment and are part of her existing equity compensation arrangement, not an open-market share purchase.

How did the 51 additional Smurfit Westrock (SW) shares arise for Suzan F. Harrison?

The 51 additional shares came from restricted stock units that accrued as dividend equivalents on a quarterly dividend of $0.4523 per ordinary share. Each unit represents the right to receive one ordinary share under the same terms as the original restricted stock award.

What are Suzan F. Harrison’s total reported holdings in Smurfit Westrock (SW) after this transaction?

After this transaction, Suzan F. Harrison directly holds 25,640 ordinary shares of Smurfit Westrock plc. This total includes 4,422 restricted stock units that are scheduled to vest in the future, subject to the vesting conditions described in the equity award terms.

When will Suzan F. Harrison’s 4,422 Smurfit Westrock (SW) restricted stock units vest?

The 4,422 restricted stock units will vest on the earlier of May 2, 2026 or the date of Smurfit Westrock plc’s next annual meeting of stockholders. Vesting timing therefore depends on when that annual meeting occurs relative to the May 2026 date.

Is Suzan F. Harrison’s Form 4 transaction in Smurfit Westrock (SW) an open-market buy or a compensation grant?

The transaction is a compensation-related grant, not an open-market buy. It reflects restricted stock units accruing as dividend equivalents under an existing award, at a price of $0.00 per share, consistent with equity compensation rather than discretionary purchasing activity.

What dividend amount triggered the new restricted stock units for Suzan F. Harrison at Smurfit Westrock (SW)?

The new restricted stock units accrued in connection with a quarterly dividend of $0.4523 per ordinary share. Dividend equivalents generated additional units under her restricted stock award, each representing the right to receive one ordinary share upon settlement.