Harrison Suzan F. 4

What Happened

• Suzan F. Harrison, a director of Smurfit Westrock plc (SW), was granted 4,438 restricted stock units (RSUs) on May 1, 2026 (transaction code A). On the same date, 2,123 ordinary shares were withheld/disposed to satisfy tax withholding obligations upon vesting (transaction code F), reflecting a per-share value of $38.39 and a total withholding value of $81,502.
• The RSUs represent a contingent right to receive one ordinary share each and will vest on the earlier of the first anniversary of the grant or the company's next annual meeting.

Key Details

• Transaction dates: May 1, 2026 (grant and withholding); Form 4 filed May 5, 2026 (timely — within two business days).
• Grant: 4,438 RSUs (A) — each RSU convertible to one ordinary share upon vesting.
• Tax withholding: 2,123 shares withheld (F) at $38.39/share, total value $81,502.
• Shares owned after the transaction: Not specified in the provided Form 4 details.
• Footnotes: F1 describes vesting schedule (earlier of one-year anniversary or next annual meeting). F2 confirms shares were withheld to satisfy tax withholding upon RSU settlement.
• Transaction codes: A = Award/Grant; F = Tax withholding (disposition to cover taxes), not an open-market sale.

Context

• This was primarily an equity award (RSUs). The withheld 2,123 shares were used to satisfy tax obligations at vesting/settlement and should be viewed as a routine administrative disposition rather than a directional open-market sale. No 10b5-1 plan, gift, or option exercise was reported.