Are insiders buying GPK stock?

Yes — 4 distinct insiders have bought GPK (GRAPHIC PACKAGING HOLDING CO) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was May 11, 2026.

How much GPK stock have insiders bought?

Insiders have bought a combined $979.6K of GPK across 4 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in GPK?

A cluster buy is two or more distinct GRAPHIC PACKAGING HOLDING CO insiders — officers, directors, or 10% owners — each buying GPK on the open market within a rolling window. GPK has 1 detected cluster buy to date.

Where does this GPK insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

GPK insider buying

1 cluster buy

GRAPHIC PACKAGING HOLDING CO · Consumer Discretionary

When two or more insiders at GRAPHIC PACKAGING HOLDING CO buy GPK on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in GPK plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$979.6K

Market cap

$3.1B

Detected clusters

Mar 4 – May 8, 2026
Detected May 8, 2026
High conviction4 insiders
Total bought
$979.6K
Market cap
$3.1B

All notable open-market buys in GPK

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
May 8, 2026	HAGEMANN ROBERTcluster Director	14,000	$11.00	$154.0K	SEC ↗
May 7, 2026	Stafeil Jeffreycluster Director	17,878.282	$11.19	$200.0K	SEC ↗
Mar 4, 2026	Rietbroek Robbertcluster Director, President and CEO	44,278	$11.32	$501.2K	SEC ↗
Mar 4, 2026	Venturelli Larry Mcluster Director	10,935	$11.37	$124.3K	SEC ↗

More Consumer Discretionary stocks with insider cluster buys

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GPK insider buying — FAQ

Are insiders buying GPK stock?: Yes — 4 distinct insiders have bought GPK (GRAPHIC PACKAGING HOLDING CO) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was May 11, 2026.
How much GPK stock have insiders bought?: Insiders have bought a combined $979.6K of GPK across 4 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in GPK?: A cluster buy is two or more distinct GRAPHIC PACKAGING HOLDING CO insiders — officers, directors, or 10% owners — each buying GPK on the open market within a rolling window. GPK has 1 detected cluster buy to date.
Where does this GPK insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in GPK

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy GPK within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding GPK.