
Robbert Rietbroek
President and CEO · GRAPHIC PACKAGING HOLDING CO
- 2024
- Mar 4, 2026
- 6
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Robbert Rietbroek files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Tony W. Lee - $497.40M in PRMB purchases and sales in the last 12 months
- ORCP III DE TopCo GP, LLC - $497.40M in PRMB purchases and sales in the last 12 months
- Eric J. Foss - $3.99M in PRMB purchases and sales in the last 12 months
- Steven P. Stanbrook - $896K in PRMB purchases and sales in the last 12 months
- David W. Hass - $250K in PRMB purchases and sales in the last 12 months
- Jeffrey Stafeil - $200K in GPK purchases and sales in the last 12 months
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Frequently asked questions
Who is Robbert Rietbroek?
Robbert Rietbroek is a corporate insider, tracked as President and CEO of GRAPHIC PACKAGING HOLDING CO (GPK). InsiderAlpha holds 6 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
When did Robbert Rietbroek last file a Form 4?
The most recent primary Form 4 on record is dated 4 March 2026, one of 6 filings going back to 2024.
Has Robbert Rietbroek been buying or selling stock?
Recorded transactions: 2 open-market purchases ($701K) and 0 open-market sales across all tracked filings.