Saverio Mayer - 13 Feb 2026 Form 4 Insider Report for Smurfit Westrock plc (SW)

Role
President & Chief Executive Officer, Europe, MEA and APAC
Signature
/s/ Ciara O'Riordan (attorney-in-fact for Saverio Mayer)
Issuer symbol
SW
Transactions as of
13 Feb 2026
Net transactions value
-$1,256,499
Form type
4
Filing time
17 Feb 2026, 12:45:18 UTC
Previous filing
19 Dec 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mayer Saverio President & Chief Executive Officer, Europe, MEA and APAC BEECH HILL, CLONSKEAGH, DUBLIN 4, IRELAND /s/ Ciara O'Riordan (attorney-in-fact for Saverio Mayer) 17 Feb 2026 0002028256

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SW Ordinary Shares Options Exercise $0 +44,539 +23% $0.000000 234,278 13 Feb 2026 Direct F1
transaction SW Ordinary Shares Options Exercise $0 +12,288 +5.2% $0.000000 246,566 13 Feb 2026 Direct F2
transaction SW Ordinary Shares Tax liability $1,256,499 -24,436 -9.9% $51.42 222,130 13 Feb 2026 Direct F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction SW Restricted Stock Units (PSP) Options Exercise $0 -44,539 -55% $0.000000 36,788 13 Feb 2026 Ordinary Shares 44,539 $0.000000 Direct F4
transaction SW Restricted Stock Units (DBP) Options Exercise $0 -12,288 -53% $0.000000 10,907 13 Feb 2026 Ordinary Shares 12,288 $0.000000 Direct F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
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.
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.
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.
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.

Remarks:

President & Chief Executive Officer, Europe, MEA and APAC