Form 4 for SW Smurfit Westrock

Accepted 2026-09-14 11:24:07 ET · period of report 2026-09-10 · accession 0001628280-26-061756 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
D	2026-09-14 11:24	2026-09-10	SW	Bowles Ken	CFO, Executive VP, Dir	A - Grant	$0.00	+140	174.5K	+0.1%	$0
D	2026-09-14 11:24	2026-09-10	SW	Bowles Ken	CFO, Executive VP, Dir	A - Grant	$0.00	+458	43.2K	+1%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Ordinary Shares	2026-09-10	A	A	140	$0.00	174,487	D	—	—	(F1) In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 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. (F2) Includes 38,980 restricted stock units which are scheduled to vest in three equal annual installments on the first anniversary of the grant date.
2	Derivative	Restricted Stock Units (PSP)	2026-09-10	A	A	458	$0.00	43,228	D	$0.00 · — to —	458 Ordinary Shares	(F1) In accordance with the terms of the restricted stock unit award, additional restricted stock units accrued as dividend equivalents in connection with the Issuer's payment of a quarterly dividend of $0.4523 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. (F3) The 43,228 restricted stock units vest and are due to settle in February 2027. (F3) The 43,228 restricted stock units vest and are due to settle in February 2027.