Smurfit Westrock director granted 48 stock units

Smurfit Westrock plc (SW) reported that director Suzan F. Harrison acquired 48 ordinary shares on September 10, 2026 through a grant of additional restricted stock units (RSUs) that accrued as dividend equivalents on an existing RSU award.

Rhea-AI Filing Summary

Smurfit Westrock plc (SW) reported that director Suzan F. Harrison acquired 48 ordinary shares on September 10, 2026 through a grant of additional restricted stock units (RSUs) that accrued as dividend equivalents on an existing RSU award. Following this grant, she holds a total of 28,054 ordinary shares, including RSUs subject to vesting conditions.

Insider Trade Summary

Grant/Award: 48 shares

Grant/Award 1 txn

Insider Harrison Suzan F.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Ordinary Shares F1, F2	48	$0.00	$0.00

Holdings After Transaction: Ordinary Shares — 28,054 shares (Direct)

Footnotes (2)

1. F1. 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. F2. Includes 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

Key Figures

Shares acquired: 48 shares Holdings after transaction: 28,054 shares Quarterly dividend: $0.4523 per ordinary share +3 more

6 metrics

Shares acquired 48 shares Additional RSUs accrued as dividend equivalents on September 10, 2026

Holdings after transaction 28,054 shares Total ordinary shares reported as directly held after the grant

Quarterly dividend $0.4523 per ordinary share Dividend on which the RSU dividend equivalents were based

Unvested RSUs included in holdings 4,537 restricted stock units RSUs that will vest on the earlier of May 1, 2027 or the next annual meeting

Transaction price per share $0.00 per share Grant of RSUs as a non-cash award

Transaction date September 10, 2026 Date the additional dividend-equivalent RSUs were credited

Key Terms

restricted stock units, dividend equivalents, quarterly dividend, annual meeting

4 terms

restricted stock units financial

"Includes 4,537 restricted stock units which will vest on the earlier"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

dividend equivalents financial

"additional restricted stock units accrued as dividend equivalents in connection"

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

quarterly dividend financial

"Issuer's payment of a quarterly dividend of $0.4523 per ordinary share"

A quarterly dividend is a payment a company gives to its shareholders four times a year, usually as a share of its profits. It's like getting a small bonus every few months for owning the company's stock, which can provide a steady income. Investors watch these payments to see how well a company is doing and whether it’s a good investment.

annual meeting financial

"the date of the next annual meeting of Smurfit Westrock plc's stockholders"

A company's annual meeting is a yearly gathering where owners (shareholders) and the board review performance, ask questions, and vote on key matters like electing directors, approving auditor choices, and sometimes setting pay or dividend policies. For investors it matters because decisions made and votes cast can change who runs the company, influence strategy and payouts, and affect the value or direction of their investment—similar to a homeowners’ meeting where rules and leaders that shape your property’s value are decided.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Smurfit Westrock plc (SW) disclose for Suzan F. Harrison?

Suzan F. Harrison, a director of Smurfit Westrock plc, reported acquiring 48 ordinary shares on September 10, 2026 via a grant of additional restricted stock units that accrued as dividend equivalents on an existing RSU award.

How many Smurfit Westrock (SW) shares does Suzan F. Harrison hold after this Form 4 transaction?

After the September 10, 2026 transaction, Suzan F. Harrison is reported as directly holding 28,054 ordinary shares of Smurfit Westrock plc, which includes 4,537 restricted stock units subject to future vesting conditions.

What triggered the additional 48 RSUs reported in Smurfit Westrock (SW)’s Form 4?

The additional 48 restricted stock units accrued as dividend equivalents in connection with Smurfit Westrock plc’s payment of a quarterly dividend of $0.4523 per ordinary share on the underlying RSU award.

When do Suzan F. Harrison’s restricted stock units in Smurfit Westrock (SW) vest?

A portion of Suzan F. Harrison’s holdings includes 4,537 restricted stock units that will vest on the earlier of May 1, 2027 or the date of the next annual meeting of Smurfit Westrock plc’s stockholders.

Were Suzan F. Harrison’s Smurfit Westrock (SW) RSU dividend equivalents granted under a Rule 10b5-1 plan?

The filing indicates the Rule 10b5-1 box is not checked, and there is no footnote stating the transaction was made under a Rule 10b5-1 trading plan.

What does each restricted stock unit represent in Smurfit Westrock (SW)’s Form 4?

Each restricted stock unit reported for Suzan F. Harrison represents the right to receive one ordinary share of Smurfit Westrock plc, and the additional units are subject to the same terms as the underlying RSU award.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/14/2026 - 11:22 AM Accepted by SEC EDGAR 09/14/2026 - 11:21 AM Learn about SEC filing dates

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)

IRELAND

(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)
09/10/2026

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	09/10/2026		A		48	A	$0(1)	28,054(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 4,537 restricted stock units which will vest on the earlier of (i) May 1, 2027, or (ii) the date of the next annual meeting of Smurfit Westrock plc's stockholders.

Remarks:

	/s/ Ciara O'Riordan, attorney-in-fact-pursuant for Suzan F. Harrison	09/14/2026
	** 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)