Massivemarkets

SEC Form 4

Smurfit Westrock plc (SW) insider trading

In the 12 months to Oct 26, 2026, 3 SW insiders reported open-market sales of $3.4M across 3 filings; no open-market purchases were filed.

Latest filing · Last 12 months · Source: SEC EDGAR · How we count

Open-market sales
$3.4M
3 filings · 3 insiders
Open-market purchases
$0
0 filings

Who traded SW, and when

  • Sale

SW daily close from Oct 27, 2025 to Oct 26, 2026, between $32.79 and $51.84, last $41.92. 3 sale and 0 purchase filings by 3 insiders, marked at their filing dates. Anthony P. J. Smurfit, President and Group CEO: sold $2.1M across 1 filing, first filed Feb 20, 2026, last Feb 20, 2026. Laurent Sellier, Officer (see filing): sold $781.9K across 1 filing, first filed Feb 20, 2026, last Feb 20, 2026. Ken Bowles, Executive VP and Group CFO: sold $512.6K across 1 filing, first filed Feb 20, 2026, last Feb 20, 2026.

Largest mark · tap a row for others

Anthony P. J. Smurfit · President and Group CEO

Sale $2,061,600

40,000 shares

Filed Feb 20, 2026 · traded Feb 19

Close on filing date $48.74

SW daily closelast $41.92

Anthony P. J. Smurfit · President and Group CEO

$2.1M sold

Laurent Sellier · Officer (see filing)

$781.9K sold

Ken Bowles · Executive VP and Group CFO

$512.6K sold
One row per insider; marks sit at the SEC filing date, sized by dollar value.

Open-market trades

3 filings in the last 12 months
Other insider activity (not market trades) · 147 records
  • Option exercises12 records
  • Tax withholding32 records
  • Grants and awards103 records

Reported on Form 4 but not purchases or sales in the market, so not counted in the totals above.

How to read this page

Open-market purchase or sale
A buy or sell of the company's stock at market price. Grants, option exercises, shares withheld for tax, gifts and employee stock plan purchases are listed separately and not counted.
Filing date
Insiders have two business days to report a trade. Totals and the chart use the filing date, when the trade became public.

Frequently asked questions

Has Smurfit Westrock plc's CEO sold stock?

Yes. Anthony P. J. Smurfit (CEO) sold 40,000 shares ($2.1M) in Feb 2026.

How current is SW’s insider data?

These are SW Form 4 filings from the last year, refreshed daily. The Massive Form 4 API has the full, continuously updated record.

What counts as an open-market buy or sell?

Only purchases and sales at the market price. Option exercises, grants, gifts, and shares withheld for taxes are reported on Form 4 but are left out of the buy and sell totals.

Build with AI

Track SW insider trades with your agent

This page joins two Massive endpoints: Form 4 filings and daily prices. Ask an agent to watch for new filings:

Using the Massive API (massive.com/docs/llms.txt), check Form 4 filings for SW every day with transaction_code=P and tell me when an insider files an open-market purchase, with their role, shares, price and the filing link.

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