Saverio Mayer) - 11 Mar 2026 Form 4 Insider Report for Smurfit Westrock plc (SW)

Role
President and Chief Executive Officer, Europe, MEA and APAC
Signature
/s/ Ciara O'Riordan (attorney-in-fact for Saverio Mayer)
Issuer symbol
SW
Transactions as of
11 Mar 2026
Net transactions value
$0
Form type
4
Filing time
13 Mar 2026, 12:46:40 UTC
Previous filing
17 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Mayer Saverio President and Chief Executive Officer, Europe, MEA and APAC BEECH HILL, CLONSKEAGH, DUBLIN 4, IRELAND /s/ Ciara O'Riordan (attorney-in-fact for Saverio Mayer) 13 Mar 2026 0002028256

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction SW Ordinary Shares Award +21,031 +9.5% $0.000000* 243,161 11 Mar 2026 Direct F1
transaction SW Ordinary Shares Tax liability -2,333 -0.96% $42.20* 240,828 12 Mar 2026 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 On March 11, 2026, the Reporting Person was granted 21,031 restricted stock units. Each restricted stock unit represents a contingent right to receive one ordinary share. The restricted stock units are scheduled to vest in three equal annual installments beginning on the first anniversary of the grant date.
F2 Reflects ordinary shares of Smurfit Westrock plc withheld to satisfy the Reporting Person's tax withholding obligation upon vesting and settlement of their restricted stock units.

Remarks:

President and Chief Executive Officer, Europe, MEA and APAC