[Form 4] Smurfit Westrock plc Insider Trading Activity

Smurfit Westrock plc executive Ken Bowles, a director and Executive VP and Group CFO, reported equity award activity on February 13, 2026.

Rhea-AI Filing Summary

Smurfit Westrock plc executive Ken Bowles, a director and Executive VP and Group CFO, reported equity award activity on February 13, 2026. Performance share plan awards converted into 50,597 ordinary shares at $0 per share, and deferred bonus plan awards converted into an additional 14,154 ordinary shares at $0 per share.

To cover tax obligations tied to these vestings, 33,801 ordinary shares were withheld at $51.42 per share in a tax-withholding disposition. After these transactions, Bowles directly owned 161,644 ordinary shares of Smurfit Westrock plc, along with remaining restricted stock units under the performance and deferred bonus plans.

Insider Trade Summary

64,751 shares exercised/converted

Exercise 5 txns

Insider Bowles Ken

Role Executive VP and Group CFO

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units (PSP)	50,597	$0.00	$0.00
Exercise	Restricted Stock Units (DBP)	14,154	$0.00	$0.00
Exercise	Ordinary Shares	50,597	$0.00	$0.00
Exercise	Ordinary Shares	14,154	$0.00	$0.00
Exercise Price or Tax Liability	Ordinary Shares	33,801	$51.42	$1.74M

Holdings After Transaction: Restricted Stock Units (PSP) — 41,791 contracts (Direct); Restricted Stock Units (DBP) — 14,062 contracts (Direct); Ordinary Shares — 161,644 shares (Direct)

Footnotes (4)

1. F1. Reflects the acquisition of common stock upon vesting and settlement of performance share plan awards. Each performance share plan award represents a right to receive one ordinary share of Smurfit Westrock plc upon vesting and settlement of the applicable award.
2. F2. Reflects the acquisition of common stock upon vesting and settlement of deferred bonus plan awards. Each deferred bonus plan award represents a right to receive one ordinary share of Smurfit Westrock plc upon vesting and settlement of the applicable award.
3. F3. Reflects ordinary shares of Smurfit Westrock plc withheld to satisfy the reporting persons tax withholding obligation upon vesting and settlement of deferred bonus plan awards and performance share plan awards.
4. F4. Reflects the vesting and settlement of deferred bonus plan awards granted on 22 September 2023 and performance share plan awards granted on 22 September 2023.

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Accepted by SEC EDGAR 02/17/2026 - 12:45 PM 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^*

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)
02/13/2026

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	02/13/2026		M(1)		50,597	A	$0	181,291	D
Ordinary Shares	02/13/2026		M(2)		14,154	A	$0	195,445	D
Ordinary Shares	02/13/2026		F(3)		33,801	D	$51.42	161,644	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
Restricted Stock Units (PSP)	$0	02/13/2026		M			50,597	(4)	(4)	Ordinary Shares	50,597	$0	41,791	D
Restricted Stock Units (DBP)	$0	02/13/2026		M			14,154	(4)	(4)	Ordinary Shares	14,154	$0	14,062	D

Explanation of Responses:

1. Reflects the acquisition of common stock upon vesting and settlement of performance share plan awards. Each performance share plan award represents a right to receive one ordinary share of Smurfit Westrock plc upon vesting and settlement of the applicable award.

2. Reflects the acquisition of common stock upon vesting and settlement of deferred bonus plan awards. Each deferred bonus plan award represents a right to receive one ordinary share of Smurfit Westrock plc upon vesting and settlement of the applicable award.

3. Reflects ordinary shares of Smurfit Westrock plc withheld to satisfy the reporting persons tax withholding obligation upon vesting and settlement of deferred bonus plan awards and performance share plan awards.

4. Reflects the vesting and settlement of deferred bonus plan awards granted on 22 September 2023 and performance share plan awards granted on 22 September 2023.

Remarks:

	/s/ Ciara O'Riordan (attorney-in-fact for Ken Bowles)	02/17/2026
	** 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).
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