[Form 4] Smurfit Westrock plc Insider Trading Activity

Q: What insider transaction did Smurfit Westrock (SW) report on December 18, 2025?

The filing shows that officer Laurent Sellier acquired 212 ordinary shares of Smurfit Westrock plc on 12/18/2025 at a price of $0 , as part of dividend-equivalent awards.

Q: What restricted stock units (RSUs) does the Smurfit Westrock (SW) executive hold and when do they vest?

The executive holds 19,236 RSUs scheduled to vest in three equal annual installments beginning on March 11, 2026 , plus 68,499 RSUs that vest as 37,885 in February 2026 and 30,614 in February 2027 .

Q: What are the 754 restricted stock units reported for Smurfit Westrock (SW)?

The filing reports the acquisition of 754 restricted stock units (PSP) at an exercise price of $0 on 12/18/2025 , each representing the right to receive one ordinary share of Smurfit Westrock plc.

Q: Why did additional RSUs accrue for the Smurfit Westrock (SW) executive?

Additional RSUs accrued as dividend equivalents in connection with Smurfit Westrock plc’s payment of a quarterly dividend of $0.4308 per ordinary share , and they are subject to the same terms as the underlying awards.

Q: What is the reporting person’s role at Smurfit Westrock (SW)?

Laurent Sellier is reported as an officer of Smurfit Westrock plc, serving as President and Chief Executive Officer, North America (including Mexico) .

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Smurfit Westrock plc officer Laurent Sellier, President and Chief Executive Officer, North America (including Mexico), reported routine equity awards dated 12/18/2025. He acquired 212 ordinary shares at $0 as dividend-equivalent stock, increasing his directly held ordinary shares to 99,136, while his spouse owns an additional 3,188 shares indirectly.

Additional restricted stock units (RSUs) accrued as dividend equivalents in connection with a quarterly dividend of $0.4308 per ordinary share, and each RSU represents the right to receive one ordinary share. His holdings include 19,236 RSUs scheduled to vest in three equal annual installments beginning on March 11, 2026, plus 68,499 RSUs that vest and settle as 37,885 RSUs in February 2026 and 30,614 RSUs in February 2027, reflecting ongoing long-term incentive compensation.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Sellier Laurent

Role See remarks

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Units (PSP)	754	$0.00	--
Grant/Award	Ordinary Shares	212	$0.00	--
holding	Ordinary Shares	--	--	--

Holdings After Transaction: Restricted Stock Units (PSP) — 68,499 shares (Direct); Ordinary Shares — 99,136 shares (Direct); Ordinary Shares — 3,188 shares (Indirect, Shares owned by spouse)

Footnotes (1)

In accordance with the terms of the applicable outstanding restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4308 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 19,236 restricted stock units which are scheduled to vest in three equal annual installments beginning on March 11, 2026, the first anniversary of the grant date. The 68,499 restricted stock units vest and are settled as follows:(i) 37,885 restricted stock units in February 2026, (ii) and 30,614 restricted stock units in February 2027.

Form 4 Insider Transactions: What Each Field Means →

12/19/2025 - 11:52 AM

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^*

Sellier Laurent

(Last)

(First)

(Middle)

BEECH HILL, CLONSKEAGH

(Street)

DUBLIN 4

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)
12/18/2025

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Ordinary Shares	12/18/2025		A		212	A	$0⁽¹⁾	99,136⁽²⁾	D
Ordinary Shares								3,188	I	Shares owned by spouse

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units (PSP)	⁽¹⁾	12/18/2025		A		754		⁽³⁾	⁽³⁾	Ordinary Shares	754	$0	68,499	D

Explanation of Responses:

1. In accordance with the terms of the applicable outstanding restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4308 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 19,236 restricted stock units which are scheduled to vest in three equal annual installments beginning on March 11, 2026, the first anniversary of the grant date.

3. The 68,499 restricted stock units vest and are settled as follows:(i) 37,885 restricted stock units in February 2026, (ii) and 30,614 restricted stock units in February 2027.

Remarks:

President and Chief Executive Officer, North America (including Mexico).

	/s/ Ciara O'Riordan (attorney-in-fact for Laurent Sellier)	12/19/2025
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What insider transaction did Smurfit Westrock (SW) report on December 18, 2025?

The filing shows that officer Laurent Sellier acquired 212 ordinary shares of Smurfit Westrock plc on 12/18/2025 at a price of $0, as part of dividend-equivalent awards.

How many Smurfit Westrock (SW) shares does the reporting person own after this transaction?

Following the reported transaction, Laurent Sellier beneficially owns 99,136 ordinary shares directly and 3,188 ordinary shares indirectly through his spouse.

What restricted stock units (RSUs) does the Smurfit Westrock (SW) executive hold and when do they vest?

The executive holds 19,236 RSUs scheduled to vest in three equal annual installments beginning on March 11, 2026, plus 68,499 RSUs that vest as 37,885 in February 2026 and 30,614 in February 2027.

What are the 754 restricted stock units reported for Smurfit Westrock (SW)?

The filing reports the acquisition of 754 restricted stock units (PSP) at an exercise price of $0 on 12/18/2025, each representing the right to receive one ordinary share of Smurfit Westrock plc.

Why did additional RSUs accrue for the Smurfit Westrock (SW) executive?

Additional RSUs accrued as dividend equivalents in connection with Smurfit Westrock plc’s payment of a quarterly dividend of $0.4308 per ordinary share, and they are subject to the same terms as the underlying awards.

What is the reporting person’s role at Smurfit Westrock (SW)?

Laurent Sellier is reported as an officer of Smurfit Westrock plc, serving as President and Chief Executive Officer, North America (including Mexico).